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Hydrograph River at a Glance Download
Rock River at Rockford (Fordam Dam) Stage (ft)Flow (kcfs)Observed: 1.79 ft at 3:15PM May 18, 2019Observed: 1.8 ft at 3:30PM May 18, 2019Observed: 1.76 ft at 3:45PM May 18, 2019Observed: 1.81 ft at 4:00PM May 18, 2019Observed: 1.78 ft at 4:15PM May 18, 2019Observed: 1.76 ft at 4:30PM May 18, 2019Observed: 1.77 ft at 4:45PM May 18, 2019Observed: 1.79 ft at 5:00PM May 18, 2019Observed: 1.79 ft at 5:15PM May 18, 2019Observed: 1.79 ft at 5:30PM May 18, 2019Observed: 1.77 ft at 5:45PM May 18, 2019Observed: 1.78 ft at 6:00PM May 18, 2019Observed: 1.8 ft at 6:15PM May 18, 2019Observed: 1.81 ft at 6:30PM May 18, 2019Observed: 1.82 ft at 6:45PM May 18, 2019Observed: 1.82 ft at 7:00PM May 18, 2019Observed: 1.8 ft at 7:15PM May 18, 2019Observed: 1.79 ft at 7:30PM May 18, 2019Observed: 1.81 ft at 7:45PM May 18, 2019Observed: 1.81 ft at 8:00PM May 18, 2019Observed: 1.81 ft at 8:15PM May 18, 2019Observed: 1.81 ft at 8:30PM May 18, 2019Observed: 1.81 ft at 8:45PM May 18, 2019Observed: 1.84 ft at 9:00PM May 18, 2019Observed: 1.81 ft at 9:15PM May 18, 2019Observed: 1.83 ft at 9:30PM May 18, 2019Observed: 1.82 ft at 9:45PM May 18, 2019Observed: 1.85 ft at 10:00PM May 18, 2019Observed: 1.81 ft at 10:15PM May 18, 2019Observed: 1.81 ft at 10:30PM May 18, 2019Observed: 1.81 ft at 10:45PM May 18, 2019Observed: 1.84 ft at 11:00PM May 18, 2019Observed: 1.84 ft at 11:15PM May 18, 2019Observed: 1.82 ft at 11:30PM May 18, 2019Observed: 1.82 ft at 11:45PM May 18, 2019Observed: 1.84 ft at 12:00AM May 19, 2019Observed: 1.84 ft at 12:15AM May 19, 2019Observed: 1.85 ft at 12:30AM May 19, 2019Observed: 1.88 ft at 12:45AM May 19, 2019Observed: 1.84 ft at 1:00AM May 19, 2019Observed: 1.86 ft at 1:15AM May 19, 2019Observed: 1.85 ft at 1:30AM May 19, 2019Observed: 1.9 ft at 1:45AM May 19, 2019Observed: 1.87 ft at 2:00AM May 19, 2019Observed: 1.9 ft at 2:15AM May 19, 2019Observed: 1.88 ft at 2:30AM May 19, 2019Observed: 1.89 ft at 2:45AM May 19, 2019Observed: 1.9 ft at 3:00AM May 19, 2019Observed: 1.89 ft at 3:15AM May 19, 2019Observed: 1.87 ft at 3:30AM May 19, 2019Observed: 1.88 ft at 3:45AM May 19, 2019Observed: 1.88 ft at 4:00AM May 19, 2019Observed: 1.88 ft at 4:15AM May 19, 2019Observed: 1.9 ft at 4:30AM May 19, 2019Observed: 1.92 ft at 4:45AM May 19, 2019Observed: 1.88 ft at 5:00AM May 19, 2019Observed: 1.91 ft at 5:15AM May 19, 2019Observed: 1.89 ft at 5:30AM May 19, 2019Observed: 1.89 ft at 5:45AM May 19, 2019Observed: 1.9 ft at 6:00AM May 19, 2019Observed: 1.91 ft at 6:15AM May 19, 2019Observed: 1.9 ft at 6:30AM May 19, 2019Observed: 1.92 ft at 6:45AM May 19, 2019Observed: 1.9 ft at 7:00AM May 19, 2019Observed: 1.9 ft at 7:15AM May 19, 2019Observed: 1.9 ft at 7:30AM May 19, 2019Observed: 1.9 ft at 7:45AM May 19, 2019Observed: 1.91 ft at 8:00AM May 19, 2019Observed: 1.91 ft at 8:15AM May 19, 2019Observed: 1.9 ft at 8:30AM May 19, 2019Observed: 1.87 ft at 8:45AM May 19, 2019Observed: 1.9 ft at 9:00AM May 19, 2019Observed: 1.9 ft at 9:15AM May 19, 2019Observed: 1.91 ft at 9:30AM May 19, 2019Observed: 1.91 ft at 9:45AM May 19, 2019Observed: 1.9 ft at 10:00AM May 19, 2019Observed: 1.92 ft at 10:15AM May 19, 2019Observed: 1.9 ft at 10:30AM May 19, 2019Observed: 1.9 ft at 10:45AM May 19, 2019Observed: 1.92 ft at 11:00AM May 19, 2019Observed: 1.88 ft at 11:15AM May 19, 2019Observed: 1.9 ft at 11:30AM May 19, 2019Observed: 1.85 ft at 11:45AM May 19, 2019Observed: 1.86 ft at 12:00PM May 19, 2019Observed: 1.92 ft at 12:15PM May 19, 2019Observed: 1.91 ft at 12:30PM May 19, 2019Observed: 1.96 ft at 12:45PM May 19, 2019Observed: 1.96 ft at 1:00PM May 19, 2019Observed: 1.93 ft at 1:15PM May 19, 2019Observed: 1.93 ft at 1:30PM May 19, 2019Observed: 1.91 ft at 1:45PM May 19, 2019Observed: 1.96 ft at 2:00PM May 19, 2019Observed: 1.96 ft at 2:15PM May 19, 2019Observed: 1.94 ft at 2:30PM May 19, 2019Observed: 1.93 ft at 2:45PM May 19, 2019Observed: 1.93 ft at 3:00PM May 19, 2019Observed: 1.96 ft at 3:15PM May 19, 2019Observed: 1.95 ft at 3:30PM May 19, 2019Observed: 1.93 ft at 3:45PM May 19, 2019Observed: 1.95 ft at 4:00PM May 19, 2019Observed: 1.95 ft at 4:15PM May 19, 2019Observed: 1.93 ft at 4:30PM May 19, 2019Observed: 1.95 ft at 4:45PM May 19, 2019Observed: 1.94 ft at 5:00PM May 19, 2019Observed: 1.93 ft at 5:15PM May 19, 2019Observed: 1.96 ft at 5:30PM May 19, 2019Observed: 1.94 ft at 5:45PM May 19, 2019Observed: 1.91 ft at 6:00PM May 19, 2019Observed: 1.91 ft at 6:15PM May 19, 2019Observed: 1.95 ft at 6:30PM May 19, 2019Observed: 1.95 ft at 6:45PM May 19, 2019Observed: 1.92 ft at 7:00PM May 19, 2019Observed: 1.92 ft at 7:15PM May 19, 2019Observed: 1.96 ft at 7:30PM May 19, 2019Observed: 1.93 ft at 7:45PM May 19, 2019Observed: 1.94 ft at 8:00PM May 19, 2019Observed: 1.91 ft at 8:15PM May 19, 2019Observed: 1.92 ft at 8:30PM May 19, 2019Observed: 1.91 ft at 8:45PM May 19, 2019Observed: 1.94 ft at 9:00PM May 19, 2019Observed: 1.94 ft at 9:15PM May 19, 2019Observed: 1.94 ft at 9:30PM May 19, 2019Observed: 1.91 ft at 9:45PM May 19, 2019Observed: 1.94 ft at 10:00PM May 19, 2019Observed: 1.92 ft at 10:15PM May 19, 2019Observed: 1.9 ft at 10:30PM May 19, 2019Observed: 1.9 ft at 10:45PM May 19, 2019Observed: 1.91 ft at 11:00PM May 19, 2019Observed: 1.9 ft at 11:15PM May 19, 2019Observed: 1.92 ft at 11:30PM May 19, 2019Observed: 1.94 ft at 11:45PM May 19, 2019Observed: 1.9 ft at 12:00AM May 20, 2019Observed: 1.89 ft at 12:15AM May 20, 2019Observed: 1.92 ft at 12:30AM May 20, 2019Observed: 1.91 ft at 12:45AM May 20, 2019Observed: 1.92 ft at 1:00AM May 20, 2019Observed: 1.9 ft at 1:15AM May 20, 2019Observed: 1.9 ft at 1:30AM May 20, 2019Observed: 1.88 ft at 1:45AM May 20, 2019Observed: 1.88 ft at 2:00AM May 20, 2019Observed: 1.91 ft at 2:15AM May 20, 2019Observed: 1.89 ft at 2:30AM May 20, 2019Observed: 1.87 ft at 2:45AM May 20, 2019Observed: 1.89 ft at 3:00AM May 20, 2019Observed: 1.88 ft at 3:15AM May 20, 2019Observed: 1.85 ft at 3:30AM May 20, 2019Observed: 1.88 ft at 3:45AM May 20, 2019Observed: 1.89 ft at 4:00AM May 20, 2019Observed: 1.86 ft at 4:15AM May 20, 2019Observed: 1.87 ft at 4:30AM May 20, 2019Observed: 1.86 ft at 4:45AM May 20, 2019Observed: 1.87 ft at 5:00AM May 20, 2019Observed: 1.84 ft at 5:15AM May 20, 2019Observed: 1.87 ft at 5:30AM May 20, 2019Observed: 1.83 ft at 5:45AM May 20, 2019Observed: 1.88 ft at 6:00AM May 20, 2019Observed: 1.83 ft at 6:15AM May 20, 2019Observed: 1.86 ft at 6:30AM May 20, 2019Observed: 1.86 ft at 6:45AM May 20, 2019Observed: 1.84 ft at 7:00AM May 20, 2019Observed: 1.85 ft at 7:15AM May 20, 2019Observed: 1.83 ft at 7:30AM May 20, 2019Observed: 1.85 ft at 7:45AM May 20, 2019Observed: 1.84 ft at 8:00AM May 20, 2019Observed: 1.84 ft at 8:15AM May 20, 2019Observed: 1.82 ft at 8:30AM May 20, 2019Observed: 1.82 ft at 8:45AM May 20, 2019Observed: 1.82 ft at 9:00AM May 20, 2019Observed: 1.83 ft at 9:15AM May 20, 2019Observed: 1.88 ft at 9:30AM May 20, 2019Observed: 1.83 ft at 9:45AM May 20, 2019Observed: 1.83 ft at 10:00AM May 20, 2019Observed: 1.8 ft at 10:15AM May 20, 2019Observed: 1.8 ft at 10:30AM May 20, 2019Observed: 1.84 ft at 10:45AM May 20, 2019Observed: 1.81 ft at 11:00AM May 20, 2019Observed: 1.8 ft at 11:15AM May 20, 2019Observed: 1.82 ft at 11:30AM May 20, 2019Observed: 1.8 ft at 11:45AM May 20, 2019Observed: 1.79 ft at 12:00PM May 20, 2019Observed: 1.8 ft at 12:15PM May 20, 2019Observed: 1.79 ft at 12:30PM May 20, 2019Observed: 1.8 ft at 12:45PM May 20, 2019Observed: 1.79 ft at 1:00PM May 20, 2019Observed: 1.8 ft at 1:15PM May 20, 2019Observed: 1.8 ft at 1:30PM May 20, 2019Observed: 1.8 ft at 1:45PM May 20, 2019Observed: 1.81 ft at 2:00PM May 20, 2019Observed: 1.8 ft at 2:15PM May 20, 2019Observed: 1.79 ft at 2:30PM May 20, 2019Observed: 1.77 ft at 2:45PM May 20, 2019Observed: 1.77 ft at 3:00PM May 20, 2019Observed: 1.77 ft at 3:15PM May 20, 2019Observed: 1.81 ft at 3:30PM May 20, 2019Observed: 1.78 ft at 3:45PM May 20, 2019Observed: 1.79 ft at 4:00PM May 20, 2019Observed: 1.75 ft at 4:15PM May 20, 2019Observed: 1.79 ft at 4:30PM May 20, 2019Observed: 1.77 ft at 4:45PM May 20, 2019Observed: 1.79 ft at 5:00PM May 20, 2019Observed: 1.76 ft at 5:15PM May 20, 2019Observed: 1.78 ft at 5:30PM May 20, 2019Observed: 1.77 ft at 5:45PM May 20, 2019Observed: 1.75 ft at 6:00PM May 20, 2019Observed: 1.75 ft at 6:15PM May 20, 2019Observed: 1.76 ft at 6:30PM May 20, 2019Observed: 1.79 ft at 6:45PM May 20, 2019Observed: 1.75 ft at 7:00PM May 20, 2019Observed: 1.77 ft at 7:15PM May 20, 2019Observed: 1.78 ft at 7:30PM May 20, 2019Observed: 1.78 ft at 7:45PM May 20, 2019Observed: 1.77 ft at 8:00PM May 20, 2019Observed: 1.77 ft at 8:15PM May 20, 2019Observed: 1.79 ft at 8:30PM May 20, 2019Observed: 1.75 ft at 8:45PM May 20, 2019Observed: 1.77 ft at 9:00PM May 20, 2019Observed: 1.79 ft at 9:15PM May 20, 2019Observed: 1.78 ft at 9:30PM May 20, 2019Observed: 1.76 ft at 9:45PM May 20, 2019Observed: 1.76 ft at 10:00PM May 20, 2019Observed: 1.77 ft at 10:15PM May 20, 2019Observed: 1.77 ft at 10:30PM May 20, 2019Observed: 1.78 ft at 10:45PM May 20, 2019Observed: 1.74 ft at 11:00PM May 20, 2019Observed: 1.76 ft at 11:15PM May 20, 2019Observed: 1.76 ft at 11:30PM May 20, 2019Observed: 1.77 ft at 11:45PM May 20, 2019Observed: 1.81 ft at 12:00AM May 21, 2019Observed: 1.79 ft at 12:15AM May 21, 2019Observed: 1.77 ft at 12:30AM May 21, 2019Observed: 1.78 ft at 12:45AM May 21, 2019Observed: 1.77 ft at 1:00AM May 21, 2019Observed: 1.8 ft at 1:15AM May 21, 2019Observed: 1.78 ft at 1:30AM May 21, 2019Observed: 1.8 ft at 1:45AM May 21, 2019Observed: 1.79 ft at 2:00AM May 21, 2019Observed: 1.76 ft at 2:15AM May 21, 2019Observed: 1.78 ft at 2:30AM May 21, 2019Observed: 1.79 ft at 2:45AM May 21, 2019Observed: 1.78 ft at 3:00AM May 21, 2019Observed: 1.76 ft at 3:15AM May 21, 2019Observed: 1.78 ft at 3:30AM May 21, 2019Observed: 1.77 ft at 3:45AM May 21, 2019Observed: 1.76 ft at 4:00AM May 21, 2019Observed: 1.79 ft at 4:15AM May 21, 2019Observed: 1.8 ft at 4:30AM May 21, 2019Observed: 1.77 ft at 4:45AM May 21, 2019Observed: 1.74 ft at 5:00AM May 21, 2019Observed: 1.77 ft at 5:15AM May 21, 2019Observed: 1.79 ft at 5:30AM May 21, 2019Observed: 1.76 ft at 5:45AM May 21, 2019Observed: 1.79 ft at 6:00AM May 21, 2019Observed: 1.76 ft at 6:15AM May 21, 2019Observed: 1.75 ft at 6:30AM May 21, 2019Observed: 1.78 ft at 6:45AM May 21, 2019Observed: 1.77 ft at 7:00AM May 21, 2019Observed: 1.81 ft at 7:15AM May 21, 2019Observed: 1.76 ft at 7:30AM May 21, 2019Observed: 1.79 ft at 7:45AM May 21, 2019Observed: 1.75 ft at 8:00AM May 21, 2019Observed: 1.76 ft at 8:15AM May 21, 2019Observed: 1.76 ft at 8:30AM May 21, 2019Observed: 1.8 ft at 8:45AM May 21, 2019Observed: 1.79 ft at 9:00AM May 21, 2019Observed: 1.75 ft at 9:15AM May 21, 2019Observed: 1.76 ft at 9:30AM May 21, 2019Observed: 1.76 ft at 9:45AM May 21, 2019Observed: 1.8 ft at 10:00AM May 21, 2019Observed: 1.76 ft at 10:15AM May 21, 2019Observed: 1.81 ft at 10:30AM May 21, 2019Observed: 1.77 ft at 10:45AM May 21, 2019Observed: 1.76 ft at 11:00AM May 21, 2019Observed: 1.77 ft at 11:15AM May 21, 2019Observed: 1.77 ft at 11:30AM May 21, 2019Observed: 1.77 ft at 11:45AM May 21, 2019Observed: 1.76 ft at 12:00PM May 21, 2019Observed: 1.74 ft at 12:15PM May 21, 2019Observed: 1.77 ft at 12:30PM May 21, 2019Observed: 1.76 ft at 12:45PM May 21, 2019Observed: 1.79 ft at 1:00PM May 21, 2019Observed: 1.79 ft at 1:15PM May 21, 2019Observed: 1.78 ft at 1:30PM May 21, 2019Observed: 1.76 ft at 1:45PM May 21, 2019Observed: 1.77 ft at 2:00PM May 21, 2019Observed: 1.81 ft at 2:15PM May 21, 2019Observed: 1.77 ft at 2:30PM May 21, 2019Observed: 1.76 ft at 2:45PM May 21, 2019Observed: 1.78 ft at 3:00PM May 21, 2019Observed: 1.76 ft at 3:15PM May 21, 2019Observed: 1.74 ft at 3:30PM May 21, 2019Observed: 1.79 ft at 3:45PM May 21, 2019Observed: 1.79 ft at 4:00PM May 21, 2019Observed: 1.75 ft at 4:15PM May 21, 2019Observed: 1.73 ft at 4:30PM May 21, 2019Observed: 1.77 ft at 4:45PM May 21, 2019Observed: 1.79 ft at 5:00PM May 21, 2019Observed: 1.74 ft at 5:15PM May 21, 2019Observed: 1.75 ft at 5:30PM May 21, 2019Observed: 1.75 ft at 5:45PM May 21, 2019Observed: 1.76 ft at 6:00PM May 21, 2019Observed: 1.73 ft at 6:15PM May 21, 2019Observed: 1.77 ft at 6:30PM May 21, 2019Observed: 1.76 ft at 6:45PM May 21, 2019Observed: 1.76 ft at 7:00PM May 21, 2019Observed: 1.73 ft at 7:15PM May 21, 2019Observed: 1.71 ft at 7:30PM May 21, 2019Observed: 1.72 ft at 7:45PM May 21, 2019Observed: 1.75 ft at 8:00PM May 21, 2019Observed: 1.75 ft at 8:15PM May 21, 2019Observed: 1.78 ft at 8:30PM May 21, 2019Observed: 1.76 ft at 8:45PM May 21, 2019Observed: 1.73 ft at 9:00PM May 21, 2019Observed: 1.76 ft at 9:15PM May 21, 2019Observed: 1.74 ft at 9:30PM May 21, 2019Observed: 1.79 ft at 9:45PM May 21, 2019Observed: 1.8 ft at 10:00PM May 21, 2019Observed: 1.8 ft at 10:15PM May 21, 2019Observed: 1.72 ft at 10:30PM May 21, 2019Observed: 1.73 ft at 10:45PM May 21, 2019Observed: 1.75 ft at 11:00PM May 21, 2019Observed: 1.75 ft at 11:15PM May 21, 2019Observed: 1.79 ft at 11:30PM May 21, 2019Observed: 1.84 ft at 11:45PM May 21, 2019Observed: 1.87 ft at 12:00AM May 22, 2019Observed: 1.84 ft at 12:15AM May 22, 2019Observed: 1.85 ft at 12:30AM May 22, 2019Observed: 1.87 ft at 12:45AM May 22, 2019Observed: 1.86 ft at 1:00AM May 22, 2019Observed: 1.84 ft at 1:15AM May 22, 2019Observed: 1.86 ft at 1:30AM May 22, 2019Observed: 1.9 ft at 1:45AM May 22, 2019Observed: 1.85 ft at 2:00AM May 22, 2019Observed: 1.86 ft at 2:15AM May 22, 2019Observed: 1.84 ft at 2:30AM May 22, 2019Observed: 1.86 ft at 2:45AM May 22, 2019Observed: 1.86 ft at 3:00AM May 22, 2019Observed: 1.87 ft at 3:15AM May 22, 2019Observed: 1.86 ft at 3:30AM May 22, 2019Observed: 1.88 ft at 3:45AM May 22, 2019Observed: 1.86 ft at 4:00AM May 22, 2019Observed: 1.87 ft at 4:15AM May 22, 2019Observed: 1.88 ft at 4:30AM May 22, 2019Observed: 1.9 ft at 4:45AM May 22, 2019Observed: 1.85 ft at 5:00AM May 22, 2019Observed: 1.86 ft at 5:15AM May 22, 2019Observed: 1.88 ft at 5:30AM May 22, 2019Observed: 1.88 ft at 5:45AM May 22, 2019Observed: 1.89 ft at 6:00AM May 22, 2019Observed: 1.89 ft at 6:15AM May 22, 2019Observed: 1.87 ft at 6:30AM May 22, 2019Observed: 1.88 ft at 6:45AM May 22, 2019Observed: 1.88 ft at 7:00AM May 22, 2019Observed: 1.88 ft at 7:15AM May 22, 2019Observed: 1.89 ft at 7:30AM May 22, 2019Observed: 1.89 ft at 7:45AM May 22, 2019Observed: 1.86 ft at 8:00AM May 22, 2019Observed: 1.9 ft at 8:15AM May 22, 2019Observed: 1.9 ft at 8:30AM May 22, 2019Observed: 1.91 ft at 8:45AM May 22, 2019Observed: 1.88 ft at 9:00AM May 22, 2019Observed: 1.89 ft at 9:15AM May 22, 2019Observed: 1.9 ft at 9:30AM May 22, 2019Observed: 1.9 ft at 9:45AM May 22, 2019Observed: 1.94 ft at 10:00AM May 22, 2019Observed: 1.89 ft at 10:15AM May 22, 2019Observed: 1.9 ft at 10:30AM May 22, 2019Observed: 1.92 ft at 10:45AM May 22, 2019Observed: 1.9 ft at 11:00AM May 22, 2019Observed: 1.94 ft at 11:15AM May 22, 2019Observed: 1.91 ft at 11:30AM May 22, 2019Observed: 1.92 ft at 11:45AM May 22, 2019Observed: 1.89 ft at 12:00PM May 22, 2019Observed: 1.89 ft at 12:15PM May 22, 2019Observed: 1.89 ft at 12:30PM May 22, 2019Observed: 1.9 ft at 12:45PM May 22, 2019Observed: 1.9 ft at 1:00PM May 22, 2019Observed: 1.92 ft at 1:15PM May 22, 2019Observed: 1.89 ft at 1:30PM May 22, 2019Observed: 1.91 ft at 1:45PM May 22, 2019Observed: 1.93 ft at 2:00PM May 22, 2019Observed: 1.91 ft at 2:15PM May 22, 2019Observed: 1.89 ft at 2:30PM May 22, 2019Observed: 1.9 ft at 2:45PM May 22, 2019Observed: 1.91 ft at 3:00PM May 22, 2019Observed: 1.91 ft at 3:15PM May 22, 2019Observed: 1.9 ft at 3:30PM May 22, 2019Observed: 1.93 ft at 3:45PM May 22, 2019Observed: 1.89 ft at 4:00PM May 22, 2019Observed: 1.98 ft at 4:15PM May 22, 2019Observed: 1.93 ft at 4:30PM May 22, 2019Observed: 1.91 ft at 4:45PM May 22, 2019Observed: 1.89 ft at 5:00PM May 22, 2019Observed: 1.9 ft at 5:15PM May 22, 2019Observed: 1.95 ft at 5:30PM May 22, 2019Observed: 1.92 ft at 5:45PM May 22, 2019Observed: 1.92 ft at 6:00PM May 22, 2019Observed: 1.91 ft at 6:15PM May 22, 2019Observed: 1.96 ft at 6:30PM May 22, 2019Observed: 1.95 ft at 6:45PM May 22, 2019Observed: 1.93 ft at 7:00PM May 22, 2019Observed: 1.96 ft at 7:15PM May 22, 2019Observed: 1.95 ft at 7:30PM May 22, 2019Observed: 1.94 ft at 7:45PM May 22, 2019Observed: 1.97 ft at 8:00PM May 22, 2019Observed: 1.99 ft at 8:15PM May 22, 2019Observed: 2.01 ft at 8:30PM May 22, 2019Observed: 2 ft at 8:45PM May 22, 2019Observed: 2.01 ft at 9:00PM May 22, 2019Observed: 2.04 ft at 9:15PM May 22, 2019Observed: 2.02 ft at 9:30PM May 22, 2019Observed: 2.03 ft at 9:45PM May 22, 2019Observed: 2.03 ft at 10:00PM May 22, 2019Observed: 2.05 ft at 10:15PM May 22, 2019Observed: 2 ft at 10:30PM May 22, 2019Observed: 2.05 ft at 10:45PM May 22, 2019Observed: 2.04 ft at 11:00PM May 22, 2019Observed: 2.1 ft at 11:15PM May 22, 2019Observed: 2.11 ft at 11:30PM May 22, 2019Observed: 2.05 ft at 11:45PM May 22, 2019Observed: 2.08 ft at 12:00AM May 23, 2019Observed: 2.1 ft at 12:15AM May 23, 2019Observed: 2.14 ft at 12:30AM May 23, 2019Observed: 2.23 ft at 12:45AM May 23, 2019Observed: 2.24 ft at 1:00AM May 23, 2019Observed: 2.24 ft at 1:15AM May 23, 2019Observed: 2.29 ft at 1:30AM May 23, 2019Observed: 2.27 ft at 1:45AM May 23, 2019Observed: 2.3 ft at 2:00AM May 23, 2019Observed: 2.26 ft at 2:15AM May 23, 2019Observed: 2.26 ft at 2:30AM May 23, 2019Observed: 2.26 ft at 2:45AM May 23, 2019Observed: 2.28 ft at 3:00AM May 23, 2019Observed: 2.3 ft at 3:15AM May 23, 2019Observed: 2.29 ft at 3:30AM May 23, 2019Observed: 2.27 ft at 3:45AM May 23, 2019Observed: 2.28 ft at 4:00AM May 23, 2019Observed: 2.3 ft at 4:15AM May 23, 2019Observed: 2.32 ft at 4:30AM May 23, 2019Observed: 2.27 ft at 4:45AM May 23, 2019Observed: 2.28 ft at 5:00AM May 23, 2019Observed: 2.26 ft at 5:15AM May 23, 2019Observed: 2.31 ft at 5:30AM May 23, 2019Observed: 2.31 ft at 5:45AM May 23, 2019Observed: 2.3 ft at 6:00AM May 23, 2019Observed: 2.31 ft at 6:15AM May 23, 2019Observed: 2.34 ft at 6:30AM May 23, 2019Observed: 2.33 ft at 6:45AM May 23, 2019Observed: 2.36 ft at 7:00AM May 23, 2019Observed: 2.33 ft at 7:15AM May 23, 2019Observed: 2.34 ft at 7:30AM May 23, 2019Observed: 2.41 ft at 7:45AM May 23, 2019Observed: 2.38 ft at 8:00AM May 23, 2019Observed: 2.43 ft at 8:15AM May 23, 2019Observed: 2.44 ft at 8:30AM May 23, 2019Observed: 2.35 ft at 8:45AM May 23, 2019Observed: 2.36 ft at 9:00AM May 23, 2019Highest Observation: 2.45 ft at 9:15AM May 23, 2019Observed: 2.42 ft at 9:30AM May 23, 2019Observed: 2.38 ft at 9:45AM May 23, 2019Observed: 2.41 ft at 10:00AM May 23, 2019Observed: 2.26 ft at 10:15AM May 23, 2019Observed: 2.14 ft at 10:30AM May 23, 2019Observed: 2.07 ft at 10:45AM May 23, 2019Observed: 2.06 ft at 11:00AM May 23, 2019Observed: 2.04 ft at 11:15AM May 23, 2019Observed: 2.04 ft at 11:30AM May 23, 2019Observed: 1.98 ft at 11:45AM May 23, 2019Observed: 1.97 ft at 12:00PM May 23, 2019Observed: 2 ft at 12:15PM May 23, 2019Observed: 1.96 ft at 12:30PM May 23, 2019Observed: 1.94 ft at 12:45PM May 23, 2019Observed: 1.96 ft at 1:00PM May 23, 2019Observed: 1.96 ft at 1:15PM May 23, 2019Observed: 1.92 ft at 1:30PM May 23, 2019Observed: 1.92 ft at 1:45PM May 23, 2019Observed: 1.92 ft at 2:00PM May 23, 2019USGS--Water Resources of the United StatesRFDI2(plotting HGIRG) Graph Created (3:09PM May 23, 2019)ObservedLatest observed value: 1.92 ft at 2:00 PM CDT 23-May-2019. Flood Stage is 4 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: The observations from this river gauge may be discontinued soon; for additional details please refer to information from the USGS

NOTE: Graphical forecasts are not available for the Rock River at Rockford (Fordam Dam). During times of high water, forecast crest information can be found in the text products.

Return to Area Map
Upstream Gauge - at Rockford (Auburn Street) Upstream Gauge Downstream Gauge Downstream Gauge - at Byron
Flood Categories (in feet)
Major Flood Stage: 6
Moderate Flood Stage: 5
Flood Stage: 4
Action Stage: 3.5
Low Stage (in feet): 0.5

Historic Crests
(1) 5.25 ft on 03/18/1929
(2) 5.20 ft on 02/21/1937 (P)
(3) 5.17 ft on 04/04/1959
(4) 5.08 ft on 04/04/1960
(5) 5.00 ft on 04/23/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 3.94 ft on 03/18/2019 (P)
(2) 2.60 ft on 09/10/2018 (P)
(3) 3.70 ft on 02/26/2018 (P)
(4) 3.80 ft on 01/24/2018 (P)
(5) 3.30 ft on 07/28/2017
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(P): Preliminary values subject to further review.

Low Water Records
(1) 0.23 ft on 12/26/2017
(2) 0.23 ft on 07/01/2018
(3) 0.33 ft on 04/25/2018
(4) 0.43 ft on 04/26/2018
(5) 0.58 ft on 12/14/2016
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For more information on your flood risk go to www.floodsmart.gov.

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Gauge LocationGauge Map Marker
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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.
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6.5 Structures are threatened at Davis Park in downtown Rockford.
6 Numerous structures are threatened at the river in downtown Rockford.
5 Davis Park is threatened in downtown Rockford. Numerous sections of riverfront trails are inundated in downtown Rockford.
3.5 Lowest sections of riverfront trails are threatened in downtown Rockford.
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0.2 Minimum stage reportable by gauge.
0.5 Boats may be left beached at downtown Rockford marinas.
1.0 Rock River reaches zero flow except for any water released manually through gates.
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Latitude: 42.266389° N, Longitude: 89.096111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 4 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 699.81 703.31 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 700.0 703.5 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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Observations have been temporarily restored. Funding for this gauge location ends later this year.
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Hydrologic Resources Additional Resources
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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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 1-Mar-2019 12:34 AM
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