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Hydrograph River at a Glance Download
Gulkana River at Richardson Highway Bridge Stage (ft)Flow (kcfs)Observed: 53.4 ft at 11:45AM Apr 18, 2024Observed: 53.4 ft at 12:00PM Apr 18, 2024Observed: 53.4 ft at 12:15PM Apr 18, 2024Observed: 53.4 ft at 12:30PM Apr 18, 2024Observed: 53.41 ft at 2:45PM Apr 18, 2024Observed: 53.41 ft at 3:00PM Apr 18, 2024Observed: 53.41 ft at 3:15PM Apr 18, 2024Observed: 53.42 ft at 3:30PM Apr 18, 2024Observed: 53.42 ft at 3:45PM Apr 18, 2024Observed: 53.43 ft at 4:00PM Apr 18, 2024Observed: 53.44 ft at 4:15PM Apr 18, 2024Observed: 53.44 ft at 4:30PM Apr 18, 2024Observed: 53.45 ft at 4:45PM Apr 18, 2024Observed: 53.46 ft at 5:00PM Apr 18, 2024Observed: 53.47 ft at 5:15PM Apr 18, 2024Observed: 53.47 ft at 5:30PM Apr 18, 2024Observed: 53.48 ft at 5:45PM Apr 18, 2024Observed: 53.49 ft at 6:00PM Apr 18, 2024Observed: 53.49 ft at 6:15PM Apr 18, 2024Observed: 53.5 ft at 6:30PM Apr 18, 2024Observed: 53.52 ft at 7:45PM Apr 18, 2024Observed: 53.52 ft at 8:00PM Apr 18, 2024Observed: 53.52 ft at 8:15PM Apr 18, 2024Observed: 53.52 ft at 8:30PM Apr 18, 2024Observed: 53.53 ft at 8:45PM Apr 18, 2024Observed: 53.53 ft at 9:00PM Apr 18, 2024Observed: 53.53 ft at 9:15PM Apr 18, 2024Observed: 53.53 ft at 9:30PM Apr 18, 2024Observed: 53.54 ft at 10:45PM Apr 18, 2024Observed: 53.55 ft at 11:00PM Apr 18, 2024Observed: 53.55 ft at 11:15PM Apr 18, 2024Observed: 53.55 ft at 11:30PM Apr 18, 2024Observed: 53.55 ft at 11:45PM Apr 18, 2024Observed: 53.55 ft at 12:00AM Apr 19, 2024Observed: 53.55 ft at 12:15AM Apr 19, 2024Observed: 53.55 ft at 12:30AM Apr 19, 2024Observed: 53.55 ft at 12:45AM Apr 19, 2024Observed: 53.55 ft at 1:00AM Apr 19, 2024Observed: 53.55 ft at 1:15AM Apr 19, 2024Observed: 53.55 ft at 1:30AM Apr 19, 2024Observed: 53.55 ft at 1:45AM Apr 19, 2024Observed: 53.55 ft at 2:00AM Apr 19, 2024Observed: 53.54 ft at 2:15AM Apr 19, 2024Observed: 53.54 ft at 2:30AM Apr 19, 2024Observed: 53.54 ft at 2:45AM Apr 19, 2024Observed: 53.54 ft at 3:00AM Apr 19, 2024Observed: 53.54 ft at 3:15AM Apr 19, 2024Observed: 53.54 ft at 3:30AM Apr 19, 2024Observed: 53.54 ft at 3:45AM Apr 19, 2024Observed: 53.54 ft at 4:00AM Apr 19, 2024Observed: 53.54 ft at 4:15AM Apr 19, 2024Observed: 53.54 ft at 4:30AM Apr 19, 2024Observed: 53.54 ft at 4:45AM Apr 19, 2024Observed: 53.54 ft at 5:00AM Apr 19, 2024Observed: 53.53 ft at 5:15AM Apr 19, 2024Observed: 53.53 ft at 5:30AM Apr 19, 2024Observed: 53.53 ft at 6:45AM Apr 19, 2024Observed: 53.53 ft at 7:00AM Apr 19, 2024Observed: 53.53 ft at 7:15AM Apr 19, 2024Observed: 53.54 ft at 7:30AM Apr 19, 2024Observed: 53.53 ft at 7:45AM Apr 19, 2024Observed: 53.53 ft at 8:00AM Apr 19, 2024Observed: 53.53 ft at 8:15AM Apr 19, 2024Observed: 53.53 ft at 8:30AM Apr 19, 2024Observed: 53.53 ft at 8:45AM Apr 19, 2024Observed: 53.53 ft at 9:00AM Apr 19, 2024Observed: 53.53 ft at 9:15AM Apr 19, 2024Observed: 53.53 ft at 9:30AM Apr 19, 2024Observed: 53.5 ft at 10:45AM Apr 19, 2024Observed: 53.5 ft at 11:00AM Apr 19, 2024Observed: 53.5 ft at 11:15AM Apr 19, 2024Observed: 53.5 ft at 11:30AM Apr 19, 2024Observed: 53.5 ft at 11:45AM Apr 19, 2024Observed: 53.5 ft at 12:00PM Apr 19, 2024Observed: 53.5 ft at 12:15PM Apr 19, 2024Observed: 53.5 ft at 12:30PM Apr 19, 2024Observed: 53.5 ft at 12:45PM Apr 19, 2024Observed: 53.51 ft at 1:00PM Apr 19, 2024Observed: 53.51 ft at 1:15PM Apr 19, 2024Observed: 53.51 ft at 1:30PM Apr 19, 2024Observed: 53.51 ft at 1:45PM Apr 19, 2024Observed: 53.52 ft at 2:00PM Apr 19, 2024Observed: 53.52 ft at 2:15PM Apr 19, 2024Observed: 53.53 ft at 2:30PM Apr 19, 2024Observed: 53.53 ft at 2:45PM Apr 19, 2024Observed: 53.54 ft at 3:00PM Apr 19, 2024Observed: 53.54 ft at 3:15PM Apr 19, 2024Observed: 53.55 ft at 3:30PM Apr 19, 2024Observed: 53.56 ft at 3:45PM Apr 19, 2024Observed: 53.56 ft at 4:00PM Apr 19, 2024Observed: 53.57 ft at 4:15PM Apr 19, 2024Observed: 53.58 ft at 4:30PM Apr 19, 2024Observed: 53.59 ft at 4:45PM Apr 19, 2024Observed: 53.6 ft at 5:00PM Apr 19, 2024Observed: 53.61 ft at 5:15PM Apr 19, 2024Observed: 53.62 ft at 5:30PM Apr 19, 2024Observed: 53.63 ft at 5:45PM Apr 19, 2024Observed: 53.64 ft at 6:00PM Apr 19, 2024Observed: 53.65 ft at 6:15PM Apr 19, 2024Observed: 53.66 ft at 6:30PM Apr 19, 2024Observed: 53.67 ft at 6:45PM Apr 19, 2024Observed: 53.68 ft at 7:00PM Apr 19, 2024Observed: 53.7 ft at 7:15PM Apr 19, 2024Observed: 53.71 ft at 7:30PM Apr 19, 2024Observed: 53.72 ft at 7:45PM Apr 19, 2024Observed: 53.73 ft at 8:00PM Apr 19, 2024Observed: 53.74 ft at 8:15PM Apr 19, 2024Observed: 53.75 ft at 8:30PM Apr 19, 2024Observed: 53.76 ft at 8:45PM Apr 19, 2024Observed: 53.77 ft at 9:00PM Apr 19, 2024Observed: 53.77 ft at 9:15PM Apr 19, 2024Observed: 53.77 ft at 9:30PM Apr 19, 2024Observed: 53.78 ft at 9:45PM Apr 19, 2024Observed: 53.78 ft at 10:00PM Apr 19, 2024Observed: 53.79 ft at 10:15PM Apr 19, 2024Observed: 53.79 ft at 10:30PM Apr 19, 2024Observed: 53.79 ft at 10:45PM Apr 19, 2024Observed: 53.79 ft at 11:00PM Apr 19, 2024Observed: 53.8 ft at 11:15PM Apr 19, 2024Observed: 53.8 ft at 11:30PM Apr 19, 2024Observed: 53.8 ft at 11:45PM Apr 19, 2024Observed: 53.81 ft at 12:00AM Apr 20, 2024Observed: 53.81 ft at 12:15AM Apr 20, 2024Observed: 53.81 ft at 12:30AM Apr 20, 2024Observed: 53.81 ft at 12:45AM Apr 20, 2024Observed: 53.81 ft at 1:00AM Apr 20, 2024Observed: 53.82 ft at 1:15AM Apr 20, 2024Observed: 53.82 ft at 1:30AM Apr 20, 2024Observed: 53.82 ft at 1:45AM Apr 20, 2024Observed: 53.82 ft at 2:00AM Apr 20, 2024Observed: 53.82 ft at 2:15AM Apr 20, 2024Observed: 53.81 ft at 2:30AM Apr 20, 2024Observed: 53.81 ft at 2:45AM Apr 20, 2024Observed: 53.82 ft at 3:00AM Apr 20, 2024Observed: 53.81 ft at 3:15AM Apr 20, 2024Observed: 53.81 ft at 3:30AM Apr 20, 2024Observed: 53.81 ft at 3:45AM Apr 20, 2024Observed: 53.81 ft at 4:00AM Apr 20, 2024Observed: 53.8 ft at 4:15AM Apr 20, 2024Observed: 53.8 ft at 4:30AM Apr 20, 2024Observed: 53.8 ft at 4:45AM Apr 20, 2024Observed: 53.79 ft at 5:00AM Apr 20, 2024Observed: 53.79 ft at 5:15AM Apr 20, 2024Observed: 53.78 ft at 5:30AM Apr 20, 2024Observed: 53.78 ft at 5:45AM Apr 20, 2024Observed: 53.78 ft at 6:00AM Apr 20, 2024Observed: 53.77 ft at 6:15AM Apr 20, 2024Observed: 53.77 ft at 6:30AM Apr 20, 2024Observed: 53.77 ft at 6:45AM Apr 20, 2024Observed: 53.77 ft at 7:00AM Apr 20, 2024Observed: 53.76 ft at 7:15AM Apr 20, 2024Observed: 53.76 ft at 7:30AM Apr 20, 2024Observed: 53.76 ft at 7:45AM Apr 20, 2024Observed: 53.75 ft at 8:00AM Apr 20, 2024Observed: 53.75 ft at 8:15AM Apr 20, 2024Observed: 53.75 ft at 8:30AM Apr 20, 2024Observed: 53.75 ft at 8:45AM Apr 20, 2024Observed: 53.75 ft at 9:00AM Apr 20, 2024Observed: 53.75 ft at 9:15AM Apr 20, 2024Observed: 53.74 ft at 9:30AM Apr 20, 2024Observed: 53.74 ft at 9:45AM Apr 20, 2024Observed: 53.74 ft at 10:00AM Apr 20, 2024Observed: 53.73 ft at 10:15AM Apr 20, 2024Observed: 53.73 ft at 10:30AM Apr 20, 2024Observed: 53.73 ft at 10:45AM Apr 20, 2024Observed: 53.73 ft at 11:00AM Apr 20, 2024Observed: 53.73 ft at 11:15AM Apr 20, 2024Observed: 53.73 ft at 11:30AM Apr 20, 2024Observed: 53.73 ft at 11:45AM Apr 20, 2024Observed: 53.72 ft at 12:00PM Apr 20, 2024Observed: 53.73 ft at 12:15PM Apr 20, 2024Observed: 53.73 ft at 12:30PM Apr 20, 2024Observed: 53.73 ft at 12:45PM Apr 20, 2024Observed: 53.73 ft at 1:00PM Apr 20, 2024Observed: 53.73 ft at 1:15PM Apr 20, 2024Observed: 53.73 ft at 1:30PM Apr 20, 2024Observed: 53.73 ft at 1:45PM Apr 20, 2024Observed: 53.74 ft at 2:00PM Apr 20, 2024Observed: 53.74 ft at 2:15PM Apr 20, 2024Observed: 53.74 ft at 2:30PM Apr 20, 2024Observed: 53.75 ft at 2:45PM Apr 20, 2024Observed: 53.75 ft at 3:00PM Apr 20, 2024Observed: 53.76 ft at 3:15PM Apr 20, 2024Observed: 53.76 ft at 3:30PM Apr 20, 2024Observed: 53.77 ft at 3:45PM Apr 20, 2024Observed: 53.78 ft at 4:00PM Apr 20, 2024Observed: 53.79 ft at 4:15PM Apr 20, 2024Observed: 53.8 ft at 4:30PM Apr 20, 2024Observed: 53.81 ft at 4:45PM Apr 20, 2024Observed: 53.81 ft at 5:00PM Apr 20, 2024Observed: 53.83 ft at 5:15PM Apr 20, 2024Observed: 53.84 ft at 5:30PM Apr 20, 2024Observed: 53.84 ft at 5:45PM Apr 20, 2024Observed: 53.86 ft at 6:00PM Apr 20, 2024Observed: 53.87 ft at 6:15PM Apr 20, 2024Observed: 53.88 ft at 6:30PM Apr 20, 2024Observed: 53.89 ft at 6:45PM Apr 20, 2024Observed: 53.89 ft at 7:00PM Apr 20, 2024Observed: 53.9 ft at 7:15PM Apr 20, 2024Observed: 53.91 ft at 7:30PM Apr 20, 2024Observed: 53.92 ft at 7:45PM Apr 20, 2024Observed: 53.92 ft at 8:00PM Apr 20, 2024Observed: 53.93 ft at 8:15PM Apr 20, 2024Observed: 53.93 ft at 8:30PM Apr 20, 2024Observed: 53.94 ft at 8:45PM Apr 20, 2024Observed: 53.95 ft at 9:00PM Apr 20, 2024Observed: 53.96 ft at 9:15PM Apr 20, 2024Observed: 53.96 ft at 9:30PM Apr 20, 2024Observed: 53.97 ft at 9:45PM Apr 20, 2024Observed: 53.97 ft at 10:00PM Apr 20, 2024Observed: 53.97 ft at 10:15PM Apr 20, 2024Observed: 53.98 ft at 10:30PM Apr 20, 2024Observed: 53.98 ft at 10:45PM Apr 20, 2024Observed: 53.98 ft at 11:00PM Apr 20, 2024Observed: 53.98 ft at 11:15PM Apr 20, 2024Highest Observation: 53.99 ft at 11:30PM Apr 20, 2024Highest Observation: 53.99 ft at 11:45PM Apr 20, 2024Highest Observation: 53.99 ft at 12:00AM Apr 21, 2024Highest Observation: 53.99 ft at 12:15AM Apr 21, 2024Highest Observation: 53.99 ft at 12:30AM Apr 21, 2024Highest Observation: 53.99 ft at 12:45AM Apr 21, 2024Highest Observation: 53.99 ft at 1:00AM Apr 21, 2024Highest Observation: 53.99 ft at 1:15AM Apr 21, 2024Observed: 53.98 ft at 1:30AM Apr 21, 2024Highest Observation: 53.99 ft at 1:45AM Apr 21, 2024Observed: 53.98 ft at 2:00AM Apr 21, 2024Observed: 53.98 ft at 2:15AM Apr 21, 2024Observed: 53.98 ft at 2:30AM Apr 21, 2024Observed: 53.97 ft at 2:45AM Apr 21, 2024Observed: 53.97 ft at 3:00AM Apr 21, 2024Observed: 53.97 ft at 3:15AM Apr 21, 2024Observed: 53.96 ft at 3:30AM Apr 21, 2024Observed: 53.96 ft at 3:45AM Apr 21, 2024Observed: 53.96 ft at 4:00AM Apr 21, 2024Observed: 53.96 ft at 4:15AM Apr 21, 2024Observed: 53.95 ft at 4:30AM Apr 21, 2024Observed: 53.95 ft at 4:45AM Apr 21, 2024Observed: 53.94 ft at 5:00AM Apr 21, 2024Observed: 53.94 ft at 5:15AM Apr 21, 2024Observed: 53.94 ft at 5:30AM Apr 21, 2024Observed: 53.94 ft at 5:45AM Apr 21, 2024Observed: 53.93 ft at 6:00AM Apr 21, 2024Observed: 53.92 ft at 6:15AM Apr 21, 2024Observed: 53.92 ft at 6:30AM Apr 21, 2024Observed: 53.92 ft at 6:45AM Apr 21, 2024Observed: 53.92 ft at 7:00AM Apr 21, 2024Observed: 53.91 ft at 7:15AM Apr 21, 2024Observed: 53.91 ft at 7:30AM Apr 21, 2024Observed: 53.9 ft at 7:45AM Apr 21, 2024Observed: 53.9 ft at 8:00AM Apr 21, 2024Observed: 53.9 ft at 8:15AM Apr 21, 2024Observed: 53.89 ft at 8:30AM Apr 21, 2024Observed: 53.89 ft at 8:45AM Apr 21, 2024Observed: 53.88 ft at 9:00AM Apr 21, 2024Observed: 53.88 ft at 9:15AM Apr 21, 2024Observed: 53.88 ft at 9:30AM Apr 21, 2024Observed: 53.87 ft at 9:45AM Apr 21, 2024Observed: 53.86 ft at 10:00AM Apr 21, 2024Observed: 53.86 ft at 10:15AM Apr 21, 2024Observed: 53.85 ft at 10:30AM Apr 21, 2024Observed: 53.86 ft at 10:45AM Apr 21, 2024Observed: 53.85 ft at 11:00AM Apr 21, 2024Observed: 53.85 ft at 11:15AM Apr 21, 2024Observed: 53.85 ft at 11:30AM Apr 21, 2024Observed: 53.85 ft at 11:45AM Apr 21, 2024Observed: 53.84 ft at 12:00PM Apr 21, 2024Observed: 53.84 ft at 12:15PM Apr 21, 2024Observed: 53.84 ft at 12:30PM Apr 21, 2024Observed: 53.84 ft at 12:45PM Apr 21, 2024Observed: 53.84 ft at 1:00PM Apr 21, 2024Observed: 53.83 ft at 1:15PM Apr 21, 2024Observed: 53.83 ft at 1:30PM Apr 21, 2024Observed: 53.83 ft at 1:45PM Apr 21, 2024Observed: 53.82 ft at 2:00PM Apr 21, 2024Observed: 53.82 ft at 2:15PM Apr 21, 2024Observed: 53.82 ft at 2:30PM Apr 21, 2024Observed: 53.82 ft at 2:45PM Apr 21, 2024Observed: 53.82 ft at 3:00PM Apr 21, 2024Observed: 53.82 ft at 3:15PM Apr 21, 2024Observed: 53.82 ft at 3:30PM Apr 21, 2024Observed: 53.82 ft at 3:45PM Apr 21, 2024Observed: 53.82 ft at 4:00PM Apr 21, 2024Observed: 53.82 ft at 4:15PM Apr 21, 2024Observed: 53.82 ft at 4:30PM Apr 21, 2024Observed: 53.83 ft at 4:45PM Apr 21, 2024Observed: 53.82 ft at 5:00PM Apr 21, 2024Observed: 53.83 ft at 5:15PM Apr 21, 2024Observed: 53.83 ft at 5:30PM Apr 21, 2024Observed: 53.83 ft at 5:45PM Apr 21, 2024Observed: 53.83 ft at 6:00PM Apr 21, 2024Observed: 53.84 ft at 6:15PM Apr 21, 2024Observed: 53.84 ft at 6:30PM Apr 21, 2024Observed: 53.84 ft at 6:45PM Apr 21, 2024Observed: 53.84 ft at 7:00PM Apr 21, 2024Observed: 53.85 ft at 7:15PM Apr 21, 2024Observed: 53.85 ft at 7:30PM Apr 21, 2024Observed: 53.86 ft at 7:45PM Apr 21, 2024Observed: 53.86 ft at 8:00PM Apr 21, 2024Observed: 53.87 ft at 8:15PM Apr 21, 2024Observed: 53.87 ft at 8:30PM Apr 21, 2024Observed: 53.87 ft at 8:45PM Apr 21, 2024Observed: 53.88 ft at 9:00PM Apr 21, 2024Observed: 53.88 ft at 9:15PM Apr 21, 2024Observed: 53.89 ft at 9:30PM Apr 21, 2024Observed: 53.89 ft at 9:45PM Apr 21, 2024Observed: 53.89 ft at 10:00PM Apr 21, 2024Observed: 53.9 ft at 10:15PM Apr 21, 2024Observed: 53.9 ft at 10:30PM Apr 21, 2024Observed: 53.9 ft at 10:45PM Apr 21, 2024Observed: 53.9 ft at 11:00PM Apr 21, 2024Observed: 53.91 ft at 11:15PM Apr 21, 2024Observed: 53.91 ft at 11:30PM Apr 21, 2024Observed: 53.91 ft at 11:45PM Apr 21, 2024Observed: 53.91 ft at 12:00AM Apr 22, 2024Observed: 53.91 ft at 12:15AM Apr 22, 2024Observed: 53.91 ft at 12:30AM Apr 22, 2024Observed: 53.91 ft at 12:45AM Apr 22, 2024Observed: 53.91 ft at 1:00AM Apr 22, 2024Observed: 53.91 ft at 1:15AM Apr 22, 2024Observed: 53.91 ft at 1:30AM Apr 22, 2024Observed: 53.91 ft at 1:45AM Apr 22, 2024Observed: 53.91 ft at 2:00AM Apr 22, 2024Observed: 53.91 ft at 2:15AM Apr 22, 2024Observed: 53.9 ft at 2:30AM Apr 22, 2024Observed: 53.91 ft at 2:45AM Apr 22, 2024Observed: 53.91 ft at 3:00AM Apr 22, 2024Observed: 53.9 ft at 3:15AM Apr 22, 2024Observed: 53.9 ft at 3:30AM Apr 22, 2024Observed: 53.9 ft at 3:45AM Apr 22, 2024Observed: 53.9 ft at 4:00AM Apr 22, 2024Observed: 53.9 ft at 4:15AM Apr 22, 2024Observed: 53.89 ft at 4:30AM Apr 22, 2024Observed: 53.9 ft at 4:45AM Apr 22, 2024Observed: 53.9 ft at 5:00AM Apr 22, 2024Observed: 53.89 ft at 5:15AM Apr 22, 2024Observed: 53.89 ft at 5:30AM Apr 22, 2024Observed: 53.89 ft at 5:45AM Apr 22, 2024Observed: 53.89 ft at 6:00AM Apr 22, 2024Observed: 53.88 ft at 6:15AM Apr 22, 2024Observed: 53.88 ft at 6:30AM Apr 22, 2024Observed: 53.88 ft at 6:45AM Apr 22, 2024Observed: 53.88 ft at 7:00AM Apr 22, 2024Observed: 53.88 ft at 7:15AM Apr 22, 2024Observed: 53.88 ft at 7:30AM Apr 22, 2024Observed: 53.87 ft at 7:45AM Apr 22, 2024Observed: 53.87 ft at 8:00AM Apr 22, 2024Observed: 53.87 ft at 8:15AM Apr 22, 2024Observed: 53.87 ft at 8:30AM Apr 22, 2024Observed: 53.86 ft at 8:45AM Apr 22, 2024Observed: 53.86 ft at 9:00AM Apr 22, 2024Observed: 53.86 ft at 9:15AM Apr 22, 2024Observed: 53.85 ft at 9:30AM Apr 22, 2024Observed: 53.86 ft at 9:45AM Apr 22, 2024Observed: 53.85 ft at 10:00AM Apr 22, 2024Observed: 53.84 ft at 10:15AM Apr 22, 2024Observed: 53.84 ft at 10:30AM Apr 22, 2024Observed: 53.84 ft at 10:45AM Apr 22, 2024Observed: 53.84 ft at 11:00AM Apr 22, 2024Observed: 53.83 ft at 11:15AM Apr 22, 2024Observed: 53.83 ft at 11:30AM Apr 22, 2024Observed: 53.82 ft at 11:45AM Apr 22, 2024Observed: 53.82 ft at 12:00PM Apr 22, 2024Observed: 53.82 ft at 12:15PM Apr 22, 2024Observed: 53.81 ft at 12:30PM Apr 22, 2024Observed: 53.8 ft at 12:45PM Apr 22, 2024Observed: 53.8 ft at 1:00PM Apr 22, 2024Observed: 53.8 ft at 1:15PM Apr 22, 2024Observed: 53.8 ft at 1:30PM Apr 22, 2024Observed: 53.8 ft at 1:45PM Apr 22, 2024Observed: 53.79 ft at 2:00PM Apr 22, 2024Observed: 53.79 ft at 2:15PM Apr 22, 2024Observed: 53.79 ft at 2:30PM Apr 22, 2024Observed: 53.79 ft at 2:45PM Apr 22, 2024Observed: 53.79 ft at 3:00PM Apr 22, 2024Observed: 53.79 ft at 3:15PM Apr 22, 2024Observed: 53.79 ft at 3:30PM Apr 22, 2024Observed: 53.8 ft at 3:45PM Apr 22, 2024Observed: 53.8 ft at 4:00PM Apr 22, 2024Observed: 53.8 ft at 4:15PM Apr 22, 2024Observed: 53.81 ft at 4:30PM Apr 22, 2024Observed: 53.81 ft at 4:45PM Apr 22, 2024Observed: 53.81 ft at 5:00PM Apr 22, 2024Observed: 53.82 ft at 5:15PM Apr 22, 2024Observed: 53.82 ft at 5:30PM Apr 22, 2024Observed: 53.82 ft at 5:45PM Apr 22, 2024Observed: 53.83 ft at 6:00PM Apr 22, 2024Observed: 53.83 ft at 6:15PM Apr 22, 2024Observed: 53.83 ft at 6:30PM Apr 22, 2024Observed: 53.84 ft at 6:45PM Apr 22, 2024Observed: 53.83 ft at 7:00PM Apr 22, 2024Observed: 53.84 ft at 7:15PM Apr 22, 2024Observed: 53.84 ft at 7:30PM Apr 22, 2024Observed: 53.84 ft at 7:45PM Apr 22, 2024Observed: 53.84 ft at 8:00PM Apr 22, 2024Observed: 53.85 ft at 8:15PM Apr 22, 2024Observed: 53.85 ft at 8:30PM Apr 22, 2024Observed: 53.85 ft at 8:45PM Apr 22, 2024Observed: 53.85 ft at 9:00PM Apr 22, 2024Observed: 53.85 ft at 9:15PM Apr 22, 2024Observed: 53.85 ft at 9:30PM Apr 22, 2024Observed: 53.85 ft at 9:45PM Apr 22, 2024Observed: 53.85 ft at 10:00PM Apr 22, 2024Observed: 53.85 ft at 10:15PM Apr 22, 2024Observed: 53.85 ft at 10:30PM Apr 22, 2024Observed: 53.86 ft at 10:45PM Apr 22, 2024Observed: 53.85 ft at 11:00PM Apr 22, 2024Observed: 53.86 ft at 11:15PM Apr 22, 2024Observed: 53.85 ft at 11:30PM Apr 22, 2024Observed: 53.85 ft at 11:45PM Apr 22, 2024Observed: 53.85 ft at 12:00AM Apr 23, 2024Observed: 53.85 ft at 12:15AM Apr 23, 2024Observed: 53.85 ft at 12:30AM Apr 23, 2024Observed: 53.85 ft at 12:45AM Apr 23, 2024Observed: 53.85 ft at 1:00AM Apr 23, 2024Observed: 53.85 ft at 1:15AM Apr 23, 2024Observed: 53.84 ft at 1:30AM Apr 23, 2024Observed: 53.84 ft at 1:45AM Apr 23, 2024Observed: 53.84 ft at 2:00AM Apr 23, 2024Observed: 53.84 ft at 2:15AM Apr 23, 2024Observed: 53.84 ft at 2:30AM Apr 23, 2024Observed: 53.84 ft at 2:45AM Apr 23, 2024Observed: 53.84 ft at 3:00AM Apr 23, 2024Observed: 53.84 ft at 3:15AM Apr 23, 2024Observed: 53.83 ft at 3:30AM Apr 23, 2024Observed: 53.83 ft at 3:45AM Apr 23, 2024Observed: 53.83 ft at 4:00AM Apr 23, 2024Observed: 53.83 ft at 4:15AM Apr 23, 2024Observed: 53.82 ft at 4:30AM Apr 23, 2024Observed: 53.82 ft at 4:45AM Apr 23, 2024Observed: 53.82 ft at 5:00AM Apr 23, 2024Observed: 53.82 ft at 5:15AM Apr 23, 2024Observed: 53.81 ft at 5:30AM Apr 23, 2024Observed: 53.81 ft at 5:45AM Apr 23, 2024Observed: 53.81 ft at 6:00AM Apr 23, 2024Observed: 53.81 ft at 6:15AM Apr 23, 2024Observed: 53.81 ft at 6:30AM Apr 23, 2024Observed: 53.81 ft at 6:45AM Apr 23, 2024Observed: 53.81 ft at 7:00AM Apr 23, 2024Observed: 53.8 ft at 7:15AM Apr 23, 2024Observed: 53.8 ft at 7:30AM Apr 23, 2024Observed: 53.8 ft at 7:45AM Apr 23, 2024Observed: 53.8 ft at 8:00AM Apr 23, 2024Observed: 53.79 ft at 8:15AM Apr 23, 2024Observed: 53.79 ft at 8:30AM Apr 23, 2024Observed: 53.79 ft at 8:45AM Apr 23, 2024Observed: 53.79 ft at 9:00AM Apr 23, 2024Observed: 53.78 ft at 9:15AM Apr 23, 2024Observed: 53.78 ft at 9:30AM Apr 23, 2024Observed: 53.77 ft at 9:45AM Apr 23, 2024Observed: 53.77 ft at 10:00AM Apr 23, 2024Observed: 53.77 ft at 10:15AM Apr 23, 2024Observed: 53.76 ft at 10:30AM Apr 23, 2024Observed: 53.76 ft at 10:45AM Apr 23, 2024Observed: 53.76 ft at 11:00AM Apr 23, 2024Observed: 53.75 ft at 11:15AM Apr 23, 2024Observed: 53.75 ft at 11:30AM Apr 23, 2024Observed: 53.75 ft at 11:45AM Apr 23, 2024Observed: 53.75 ft at 12:00PM Apr 23, 2024Observed: 53.74 ft at 12:15PM Apr 23, 2024Observed: 53.74 ft at 12:30PM Apr 23, 2024Observed: 53.74 ft at 12:45PM Apr 23, 2024Observed: 53.74 ft at 1:00PM Apr 23, 2024Observed: 53.74 ft at 1:15PM Apr 23, 2024Observed: 53.74 ft at 1:30PM Apr 23, 2024Observed: 53.74 ft at 1:45PM Apr 23, 2024Observed: 53.74 ft at 2:00PM Apr 23, 2024Observed: 53.74 ft at 2:15PM Apr 23, 2024Observed: 53.75 ft at 2:30PM Apr 23, 2024Observed: 53.75 ft at 2:45PM Apr 23, 2024Observed: 53.75 ft at 3:00PM Apr 23, 2024Observed: 53.75 ft at 3:15PM Apr 23, 2024Observed: 53.76 ft at 3:30PM Apr 23, 2024Observed: 53.76 ft at 3:45PM Apr 23, 2024Observed: 53.77 ft at 4:00PM Apr 23, 2024Observed: 53.77 ft at 4:15PM Apr 23, 2024Observed: 53.77 ft at 4:30PM Apr 23, 2024Observed: 53.78 ft at 4:45PM Apr 23, 2024Observed: 53.78 ft at 5:00PM Apr 23, 2024Observed: 53.79 ft at 5:15PM Apr 23, 2024Observed: 53.79 ft at 5:30PM Apr 23, 2024Observed: 53.8 ft at 5:45PM Apr 23, 2024Observed: 53.81 ft at 6:00PM Apr 23, 2024Observed: 53.82 ft at 6:15PM Apr 23, 2024Observed: 53.83 ft at 6:30PM Apr 23, 2024Observed: 53.84 ft at 6:45PM Apr 23, 2024Observed: 53.85 ft at 7:00PM Apr 23, 2024Observed: 53.86 ft at 7:15PM Apr 23, 2024Observed: 53.87 ft at 7:30PM Apr 23, 2024Observed: 53.88 ft at 7:45PM Apr 23, 2024Observed: 53.89 ft at 8:00PM Apr 23, 2024Observed: 53.9 ft at 8:15PM Apr 23, 2024Observed: 53.9 ft at 8:30PM Apr 23, 2024Observed: 53.91 ft at 8:45PM Apr 23, 2024Observed: 53.91 ft at 9:00PM Apr 23, 2024Observed: 53.92 ft at 9:15PM Apr 23, 2024Observed: 53.92 ft at 9:30PM Apr 23, 2024Observed: 53.92 ft at 9:45PM Apr 23, 2024Observed: 53.92 ft at 10:00PM Apr 23, 2024Observed: 53.93 ft at 10:15PM Apr 23, 2024Observed: 53.93 ft at 10:30PM Apr 23, 2024Observed: 53.93 ft at 10:45PM Apr 23, 2024Observed: 53.93 ft at 11:00PM Apr 23, 2024Observed: 53.93 ft at 11:15PM Apr 23, 2024Observed: 53.93 ft at 11:30PM Apr 23, 2024Observed: 53.94 ft at 11:45PM Apr 23, 2024Observed: 53.93 ft at 12:00AM Apr 24, 2024Observed: 53.94 ft at 12:15AM Apr 24, 2024Observed: 53.94 ft at 12:30AM Apr 24, 2024Observed: 53.94 ft at 12:45AM Apr 24, 2024Observed: 53.93 ft at 1:00AM Apr 24, 2024Observed: 53.93 ft at 1:15AM Apr 24, 2024Observed: 53.93 ft at 1:30AM Apr 24, 2024Observed: 53.93 ft at 1:45AM Apr 24, 2024Observed: 53.93 ft at 2:00AM Apr 24, 2024Observed: 53.93 ft at 2:15AM Apr 24, 2024Observed: 53.93 ft at 2:30AM Apr 24, 2024Observed: 53.93 ft at 2:45AM Apr 24, 2024Observed: 53.93 ft at 3:00AM Apr 24, 2024Observed: 53.92 ft at 3:15AM Apr 24, 2024Observed: 53.93 ft at 3:30AM Apr 24, 2024Observed: 53.93 ft at 3:45AM Apr 24, 2024Observed: 53.92 ft at 4:00AM Apr 24, 2024Observed: 53.92 ft at 4:15AM Apr 24, 2024Observed: 53.92 ft at 4:30AM Apr 24, 2024Observed: 53.92 ft at 4:45AM Apr 24, 2024Observed: 53.91 ft at 5:00AM Apr 24, 2024Observed: 53.91 ft at 5:15AM Apr 24, 2024Observed: 53.91 ft at 5:30AM Apr 24, 2024Observed: 53.91 ft at 5:45AM Apr 24, 2024Observed: 53.91 ft at 6:00AM Apr 24, 2024Observed: 53.9 ft at 6:15AM Apr 24, 2024Observed: 53.9 ft at 6:30AM Apr 24, 2024Observed: 53.9 ft at 6:45AM Apr 24, 2024Observed: 53.9 ft at 7:00AM Apr 24, 2024Observed: 53.89 ft at 7:15AM Apr 24, 2024Observed: 53.89 ft at 7:30AM Apr 24, 2024Observed: 53.89 ft at 7:45AM Apr 24, 2024Observed: 53.89 ft at 8:00AM Apr 24, 2024Observed: 53.89 ft at 8:15AM Apr 24, 2024Observed: 53.88 ft at 8:30AM Apr 24, 2024Observed: 53.88 ft at 8:45AM Apr 24, 2024Observed: 53.88 ft at 9:00AM Apr 24, 2024Observed: 53.88 ft at 9:15AM Apr 24, 2024Observed: 53.87 ft at 9:30AM Apr 24, 2024Observed: 53.87 ft at 9:45AM Apr 24, 2024Observed: 53.87 ft at 10:00AM Apr 24, 2024Observed: 53.86 ft at 10:15AM Apr 24, 2024Observed: 53.86 ft at 10:30AM Apr 24, 2024Observed: 53.85 ft at 10:45AM Apr 24, 2024Observed: 53.85 ft at 11:00AM Apr 24, 2024Observed: 53.85 ft at 11:15AM Apr 24, 2024Observed: 53.84 ft at 11:30AM Apr 24, 2024Observed: 53.84 ft at 11:45AM Apr 24, 2024Observed: 53.84 ft at 12:00PM Apr 24, 2024Observed: 53.83 ft at 12:15PM Apr 24, 2024Observed: 53.83 ft at 12:30PM Apr 24, 2024Observed: 53.83 ft at 12:45PM Apr 24, 2024Observed: 53.82 ft at 1:00PM Apr 24, 2024Observed: 53.81 ft at 1:15PM Apr 24, 2024Observed: 53.81 ft at 1:30PM Apr 24, 2024Observed: 53.81 ft at 1:45PM Apr 24, 2024Observed: 53.81 ft at 2:00PM Apr 24, 2024Observed: 53.81 ft at 2:15PM Apr 24, 2024Observed: 53.81 ft at 2:30PM Apr 24, 2024Observed: 53.81 ft at 2:45PM Apr 24, 2024Observed: 53.81 ft at 3:00PM Apr 24, 2024Observed: 53.81 ft at 3:15PM Apr 24, 2024Observed: 53.82 ft at 3:30PM Apr 24, 2024Observed: 53.82 ft at 3:45PM Apr 24, 2024Observed: 53.83 ft at 4:00PM Apr 24, 2024Observed: 53.84 ft at 4:15PM Apr 24, 2024Observed: 53.84 ft at 4:30PM Apr 24, 2024Observed: 53.85 ft at 4:45PM Apr 24, 2024Observed: 53.86 ft at 5:00PM Apr 24, 2024Observed: 53.87 ft at 5:15PM Apr 24, 2024Observed: 53.88 ft at 5:30PM Apr 24, 2024Observed: 53.88 ft at 5:45PM Apr 24, 2024Observed: 53.9 ft at 6:00PM Apr 24, 2024Observed: 53.91 ft at 6:15PM Apr 24, 2024Observed: 53.92 ft at 6:30PM Apr 24, 2024Observed: 53.93 ft at 6:45PM Apr 24, 2024Observed: 53.93 ft at 7:00PM Apr 24, 2024Observed: 53.94 ft at 7:15PM Apr 24, 2024Observed: 53.95 ft at 7:30PM Apr 24, 2024Observed: 53.96 ft at 7:45PM Apr 24, 2024Observed: 53.96 ft at 8:00PM Apr 24, 2024Observed: 53.96 ft at 8:15PM Apr 24, 2024Observed: 53.97 ft at 8:30PM Apr 24, 2024Observed: 53.98 ft at 8:45PM Apr 24, 2024Observed: 53.98 ft at 9:00PM Apr 24, 2024Observed: 53.98 ft at 9:15PM Apr 24, 2024Highest Observation: 53.99 ft at 9:30PM Apr 24, 2024Observed: 53.98 ft at 9:45PM Apr 24, 2024Highest Observation: 53.99 ft at 10:00PM Apr 24, 2024Highest Observation: 53.99 ft at 10:15PM Apr 24, 2024Highest Observation: 53.99 ft at 10:30PM Apr 24, 2024Highest Observation: 53.99 ft at 10:45PM Apr 24, 2024Highest Observation: 53.99 ft at 11:00PM Apr 24, 2024Highest Observation: 53.99 ft at 11:15PM Apr 24, 2024Highest Observation: 53.99 ft at 11:30PM Apr 24, 2024Highest Observation: 53.99 ft at 11:45PM Apr 24, 2024Highest Observation: 53.99 ft at 12:00AM Apr 25, 2024Highest Observation: 53.99 ft at 12:15AM Apr 25, 2024Highest Observation: 53.99 ft at 12:30AM Apr 25, 2024Highest Observation: 53.99 ft at 12:45AM Apr 25, 2024Highest Observation: 53.99 ft at 1:00AM Apr 25, 2024Highest Observation: 53.99 ft at 1:15AM Apr 25, 2024Highest Observation: 53.99 ft at 1:30AM Apr 25, 2024Highest Observation: 53.99 ft at 1:45AM Apr 25, 2024Highest Observation: 53.99 ft at 2:00AM Apr 25, 2024Observed: 53.98 ft at 2:15AM Apr 25, 2024Highest Observation: 53.99 ft at 2:30AM Apr 25, 2024Highest Observation: 53.99 ft at 2:45AM Apr 25, 2024Observed: 53.98 ft at 3:00AM Apr 25, 2024Observed: 53.98 ft at 3:15AM Apr 25, 2024Observed: 53.98 ft at 3:30AM Apr 25, 2024Observed: 53.98 ft at 3:45AM Apr 25, 2024Observed: 53.97 ft at 4:00AM Apr 25, 2024Observed: 53.97 ft at 4:15AM Apr 25, 2024Observed: 53.97 ft at 4:30AM Apr 25, 2024Observed: 53.97 ft at 4:45AM Apr 25, 2024Observed: 53.96 ft at 5:00AM Apr 25, 2024Observed: 53.97 ft at 5:15AM Apr 25, 2024Observed: 53.96 ft at 5:30AM Apr 25, 2024Observed: 53.96 ft at 5:45AM Apr 25, 2024Observed: 53.96 ft at 6:00AM Apr 25, 2024Observed: 53.95 ft at 6:15AM Apr 25, 2024Observed: 53.95 ft at 6:30AM Apr 25, 2024Observed: 53.95 ft at 6:45AM Apr 25, 2024Observed: 53.95 ft at 7:00AM Apr 25, 2024Observed: 53.94 ft at 7:15AM Apr 25, 2024Observed: 53.94 ft at 7:30AM Apr 25, 2024Observed: 53.94 ft at 7:45AM Apr 25, 2024Observed: 53.94 ft at 8:00AM Apr 25, 2024Observed: 53.93 ft at 8:15AM Apr 25, 2024Observed: 53.93 ft at 8:30AM Apr 25, 2024Observed: 53.93 ft at 8:45AM Apr 25, 2024Observed: 53.93 ft at 9:00AM Apr 25, 2024Observed: 53.92 ft at 9:15AM Apr 25, 2024Observed: 53.92 ft at 9:30AM Apr 25, 2024Observed: 53.92 ft at 9:45AM Apr 25, 2024Observed: 53.91 ft at 10:00AM Apr 25, 2024Observed: 53.91 ft at 10:15AM Apr 25, 2024Observed: 53.91 ft at 10:30AM Apr 25, 2024USGS--Water Resources of the United StatesGCOA2(plotting HGIRZ) Graph Created (11:02AM Apr 25, 2024)ObservedLatest observed value: 53.91 ft at 10:30 AM AKDT 25-Apr-2024.
About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gage data do not meet the quality standards of USGS gages.

NOTE: Stage may be affected by ice.

NOTE: Forecasts for the Gulkana River at Richardson Highway Bridge are issued routinely during the warm season, and as needed at other times of the year.

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Upstream Gauge - at Sourdough Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 10.5
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 18.45 ft on 05/11/1986
(2) 12.13 ft on 05/30/2013 (P)
(3) 11.65 ft on 05/12/1982
(4) 10.85 ft on 05/04/2007
(5) 10.71 ft on 12/29/2000
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.33 ft on 06/01/2021 (P)
(2) 7.35 ft on 05/18/2017 (P)
(3) 7.81 ft on 07/26/2016 (P)
(4) 8.79 ft on 05/10/2015 (P)
(5) 8.85 ft on 07/03/2014 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:15
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
31.3 Bridge Low Cord
11 Stage associated with flow (17700 cfs) having a recurrence interval of >50 years; major flooding would be expected on this and nearby streams
10.5 Stage associated with flow (15800 cfs) having a recurrence interval of ~20-40 years; moderate flooding would be expected on this and nearby streams
10 Stage associated with flow (12400 cfs) having a recurrence interval of ~10 years; minor flooding would be expected on this and nearby streams
9.5 Bankfull conditions. Lower parking lot at Richardon Highway boat launch becomes flooded.
9 Bankfull -- stage associated with flow (7700 cfs) having a recurrence interval of ~2 years
8 High water level -- Class III+ whitewater above Sourdough; Class II+ below Sourdough
7 Medium water level -- Class III whitewater above Sourdough; Class II below Sourdough
6 Low water level -- Class III whitewater above Sourdough; Class II below Sourdough
Photos
(1) Upstream stage 9.1ft
(2) Bridge stage 9.1ft
(3) Upstream stage 6.3ft
About This Location Collapse

Latitude: 62.268889° N, Longitude: 145.380556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 10 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 1366.3 ft 1376 ft  
Additional Information Collapse
Long-term Hydrograph
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Anchorage Weather Forecast Office
6930 Sand Lake Road
Anchorage, AK 99502
(907) 266-5105
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