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Hydrograph River at a Glance Download
Reservoirs at Grassy Lake Reservoir Pool (ft)Observed: 7186.72 ft at 12:30PM Jul 28, 2021Observed: 7186.73 ft at 12:45PM Jul 28, 2021Observed: 7186.72 ft at 1:00PM Jul 28, 2021Observed: 7186.73 ft at 1:15PM Jul 28, 2021Observed: 7186.73 ft at 1:30PM Jul 28, 2021Observed: 7186.74 ft at 1:45PM Jul 28, 2021Observed: 7186.74 ft at 2:00PM Jul 28, 2021Observed: 7186.73 ft at 2:15PM Jul 28, 2021Observed: 7186.73 ft at 2:30PM Jul 28, 2021Observed: 7186.74 ft at 2:45PM Jul 28, 2021Observed: 7186.74 ft at 3:00PM Jul 28, 2021Observed: 7186.73 ft at 3:15PM Jul 28, 2021Observed: 7186.73 ft at 3:30PM Jul 28, 2021Observed: 7186.74 ft at 3:45PM Jul 28, 2021Observed: 7186.74 ft at 4:00PM Jul 28, 2021Observed: 7186.74 ft at 4:15PM Jul 28, 2021Observed: 7186.74 ft at 4:30PM Jul 28, 2021Observed: 7186.74 ft at 4:45PM Jul 28, 2021Observed: 7186.74 ft at 5:00PM Jul 28, 2021Observed: 7186.74 ft at 5:15PM Jul 28, 2021Observed: 7186.74 ft at 5:30PM Jul 28, 2021Observed: 7186.75 ft at 5:45PM Jul 28, 2021Observed: 7186.75 ft at 6:00PM Jul 28, 2021Observed: 7186.74 ft at 6:15PM Jul 28, 2021Observed: 7186.74 ft at 6:30PM Jul 28, 2021Observed: 7186.74 ft at 6:45PM Jul 28, 2021Observed: 7186.75 ft at 7:00PM Jul 28, 2021Observed: 7186.75 ft at 7:15PM Jul 28, 2021Observed: 7186.74 ft at 7:30PM Jul 28, 2021Observed: 7186.75 ft at 7:45PM Jul 28, 2021Observed: 7186.75 ft at 8:00PM Jul 28, 2021Observed: 7186.74 ft at 8:15PM Jul 28, 2021Observed: 7186.74 ft at 8:30PM Jul 28, 2021Observed: 7186.74 ft at 8:45PM Jul 28, 2021Observed: 7186.74 ft at 9:00PM Jul 28, 2021Observed: 7186.74 ft at 9:15PM Jul 28, 2021Observed: 7186.74 ft at 9:30PM Jul 28, 2021Observed: 7186.74 ft at 9:45PM Jul 28, 2021Observed: 7186.74 ft at 10:00PM Jul 28, 2021Observed: 7186.74 ft at 10:15PM Jul 28, 2021Observed: 7186.75 ft at 10:30PM Jul 28, 2021Observed: 7186.75 ft at 10:45PM Jul 28, 2021Observed: 7186.74 ft at 11:00PM Jul 28, 2021Observed: 7186.74 ft at 11:15PM Jul 28, 2021Observed: 7186.75 ft at 11:30PM Jul 28, 2021Observed: 7186.74 ft at 11:45PM Jul 28, 2021Observed: 7186.73 ft at 12:00AM Jul 29, 2021Observed: 7186.74 ft at 12:15AM Jul 29, 2021Observed: 7186.75 ft at 12:30AM Jul 29, 2021Observed: 7186.74 ft at 12:45AM Jul 29, 2021Observed: 7186.73 ft at 1:00AM Jul 29, 2021Observed: 7186.74 ft at 1:15AM Jul 29, 2021Observed: 7186.75 ft at 1:30AM Jul 29, 2021Observed: 7186.74 ft at 1:45AM Jul 29, 2021Observed: 7186.74 ft at 2:00AM Jul 29, 2021Observed: 7186.75 ft at 2:15AM Jul 29, 2021Observed: 7186.75 ft at 2:30AM Jul 29, 2021Observed: 7186.74 ft at 2:45AM Jul 29, 2021Observed: 7186.74 ft at 3:00AM Jul 29, 2021Observed: 7186.75 ft at 3:15AM Jul 29, 2021Observed: 7186.75 ft at 3:30AM Jul 29, 2021Observed: 7186.74 ft at 3:45AM Jul 29, 2021Observed: 7186.75 ft at 4:00AM Jul 29, 2021Observed: 7186.75 ft at 4:15AM Jul 29, 2021Observed: 7186.75 ft at 4:30AM Jul 29, 2021Observed: 7186.74 ft at 4:45AM Jul 29, 2021Observed: 7186.75 ft at 5:00AM Jul 29, 2021Observed: 7186.75 ft at 5:15AM Jul 29, 2021Observed: 7186.74 ft at 5:30AM Jul 29, 2021Observed: 7186.74 ft at 5:45AM Jul 29, 2021Observed: 7186.74 ft at 6:00AM Jul 29, 2021Observed: 7186.75 ft at 6:15AM Jul 29, 2021Observed: 7186.74 ft at 6:30AM Jul 29, 2021Observed: 7186.74 ft at 6:45AM Jul 29, 2021Observed: 7186.75 ft at 7:00AM Jul 29, 2021Observed: 7186.74 ft at 7:15AM Jul 29, 2021Observed: 7186.74 ft at 7:30AM Jul 29, 2021Observed: 7186.74 ft at 7:45AM Jul 29, 2021Observed: 7186.75 ft at 8:00AM Jul 29, 2021Observed: 7186.75 ft at 8:15AM Jul 29, 2021Observed: 7186.75 ft at 8:30AM Jul 29, 2021Observed: 7186.75 ft at 8:45AM Jul 29, 2021Observed: 7186.76 ft at 9:00AM Jul 29, 2021Observed: 7186.75 ft at 9:15AM Jul 29, 2021Observed: 7186.75 ft at 9:30AM Jul 29, 2021Observed: 7186.76 ft at 9:45AM Jul 29, 2021Observed: 7186.76 ft at 10:00AM Jul 29, 2021Observed: 7186.76 ft at 10:15AM Jul 29, 2021Observed: 7186.76 ft at 10:30AM Jul 29, 2021Observed: 7186.76 ft at 10:45AM Jul 29, 2021Observed: 7186.76 ft at 11:00AM Jul 29, 2021Observed: 7186.76 ft at 11:15AM Jul 29, 2021Observed: 7186.76 ft at 11:30AM Jul 29, 2021Observed: 7186.77 ft at 11:45AM Jul 29, 2021Observed: 7186.77 ft at 12:00PM Jul 29, 2021Observed: 7186.77 ft at 12:15PM Jul 29, 2021Observed: 7186.77 ft at 12:30PM Jul 29, 2021Observed: 7186.77 ft at 12:45PM Jul 29, 2021Observed: 7186.77 ft at 1:00PM Jul 29, 2021Observed: 7186.77 ft at 1:15PM Jul 29, 2021Observed: 7186.77 ft at 1:30PM Jul 29, 2021Observed: 7186.77 ft at 1:45PM Jul 29, 2021Observed: 7186.77 ft at 2:00PM Jul 29, 2021Observed: 7186.77 ft at 2:15PM Jul 29, 2021Observed: 7186.77 ft at 2:30PM Jul 29, 2021Observed: 7186.77 ft at 2:45PM Jul 29, 2021Observed: 7186.77 ft at 3:00PM Jul 29, 2021Observed: 7186.77 ft at 3:15PM Jul 29, 2021Observed: 7186.78 ft at 3:30PM Jul 29, 2021Observed: 7186.77 ft at 3:45PM Jul 29, 2021Observed: 7186.78 ft at 4:00PM Jul 29, 2021Observed: 7186.78 ft at 4:15PM Jul 29, 2021Observed: 7186.78 ft at 4:30PM Jul 29, 2021Observed: 7186.78 ft at 4:45PM Jul 29, 2021Observed: 7186.77 ft at 5:00PM Jul 29, 2021Observed: 7186.78 ft at 5:15PM Jul 29, 2021Observed: 7186.78 ft at 5:30PM Jul 29, 2021Observed: 7186.77 ft at 5:45PM Jul 29, 2021Observed: 7186.77 ft at 6:00PM Jul 29, 2021Observed: 7186.78 ft at 6:15PM Jul 29, 2021Observed: 7186.77 ft at 6:30PM Jul 29, 2021Observed: 7186.77 ft at 6:45PM Jul 29, 2021Observed: 7186.77 ft at 7:00PM Jul 29, 2021Observed: 7186.77 ft at 7:15PM Jul 29, 2021Observed: 7186.78 ft at 7:30PM Jul 29, 2021Observed: 7186.77 ft at 7:45PM Jul 29, 2021Observed: 7186.77 ft at 8:00PM Jul 29, 2021Observed: 7186.77 ft at 8:15PM Jul 29, 2021Observed: 7186.77 ft at 8:30PM Jul 29, 2021Observed: 7186.77 ft at 8:45PM Jul 29, 2021Observed: 7186.76 ft at 9:00PM Jul 29, 2021Observed: 7186.77 ft at 9:15PM Jul 29, 2021Observed: 7186.77 ft at 9:30PM Jul 29, 2021Observed: 7186.76 ft at 9:45PM Jul 29, 2021Observed: 7186.76 ft at 10:00PM Jul 29, 2021Observed: 7186.76 ft at 10:15PM Jul 29, 2021Observed: 7186.77 ft at 10:30PM Jul 29, 2021Observed: 7186.77 ft at 10:45PM Jul 29, 2021Observed: 7186.77 ft at 11:00PM Jul 29, 2021Observed: 7186.77 ft at 11:15PM Jul 29, 2021Observed: 7186.78 ft at 11:30PM Jul 29, 2021Observed: 7186.77 ft at 11:45PM Jul 29, 2021Observed: 7186.77 ft at 12:00AM Jul 30, 2021Observed: 7186.78 ft at 12:15AM Jul 30, 2021Observed: 7186.77 ft at 12:30AM Jul 30, 2021Observed: 7186.77 ft at 12:45AM Jul 30, 2021Observed: 7186.77 ft at 1:00AM Jul 30, 2021Observed: 7186.78 ft at 1:15AM Jul 30, 2021Observed: 7186.78 ft at 1:30AM Jul 30, 2021Observed: 7186.77 ft at 1:45AM Jul 30, 2021Observed: 7186.77 ft at 2:00AM Jul 30, 2021Observed: 7186.78 ft at 2:15AM Jul 30, 2021Observed: 7186.77 ft at 2:30AM Jul 30, 2021Observed: 7186.77 ft at 2:45AM Jul 30, 2021Observed: 7186.77 ft at 3:00AM Jul 30, 2021Observed: 7186.77 ft at 3:15AM Jul 30, 2021Observed: 7186.77 ft at 3:30AM Jul 30, 2021Observed: 7186.77 ft at 3:45AM Jul 30, 2021Observed: 7186.77 ft at 4:00AM Jul 30, 2021Observed: 7186.77 ft at 4:15AM Jul 30, 2021Observed: 7186.77 ft at 4:30AM Jul 30, 2021Observed: 7186.77 ft at 4:45AM Jul 30, 2021Observed: 7186.77 ft at 5:00AM Jul 30, 2021Observed: 7186.77 ft at 5:15AM Jul 30, 2021Observed: 7186.77 ft at 5:30AM Jul 30, 2021Observed: 7186.77 ft at 5:45AM Jul 30, 2021Observed: 7186.78 ft at 6:00AM Jul 30, 2021Observed: 7186.77 ft at 6:15AM Jul 30, 2021Observed: 7186.77 ft at 6:30AM Jul 30, 2021Observed: 7186.77 ft at 6:45AM Jul 30, 2021Observed: 7186.77 ft at 7:00AM Jul 30, 2021Observed: 7186.77 ft at 7:15AM Jul 30, 2021Observed: 7186.77 ft at 7:30AM Jul 30, 2021Observed: 7186.77 ft at 7:45AM Jul 30, 2021Observed: 7186.78 ft at 8:00AM Jul 30, 2021Observed: 7186.77 ft at 8:15AM Jul 30, 2021Observed: 7186.77 ft at 8:30AM Jul 30, 2021Observed: 7186.78 ft at 8:45AM Jul 30, 2021Observed: 7186.78 ft at 9:00AM Jul 30, 2021Observed: 7186.78 ft at 9:15AM Jul 30, 2021Observed: 7186.78 ft at 9:30AM Jul 30, 2021Observed: 7186.78 ft at 9:45AM Jul 30, 2021Observed: 7186.78 ft at 10:00AM Jul 30, 2021Observed: 7186.78 ft at 10:15AM Jul 30, 2021Observed: 7186.78 ft at 10:30AM Jul 30, 2021Observed: 7186.79 ft at 10:45AM Jul 30, 2021Observed: 7186.78 ft at 11:00AM Jul 30, 2021Observed: 7186.79 ft at 11:15AM Jul 30, 2021Observed: 7186.79 ft at 11:30AM Jul 30, 2021Observed: 7186.79 ft at 11:45AM Jul 30, 2021Observed: 7186.79 ft at 12:00PM Jul 30, 2021Observed: 7186.8 ft at 12:15PM Jul 30, 2021Observed: 7186.79 ft at 12:30PM Jul 30, 2021Observed: 7186.79 ft at 12:45PM Jul 30, 2021Observed: 7186.8 ft at 1:00PM Jul 30, 2021Observed: 7186.8 ft at 1:15PM Jul 30, 2021Observed: 7186.79 ft at 1:30PM Jul 30, 2021Observed: 7186.8 ft at 1:45PM Jul 30, 2021Observed: 7186.8 ft at 2:00PM Jul 30, 2021Observed: 7186.8 ft at 2:15PM Jul 30, 2021Observed: 7186.79 ft at 2:30PM Jul 30, 2021Observed: 7186.8 ft at 2:45PM Jul 30, 2021Observed: 7186.79 ft at 3:00PM Jul 30, 2021Observed: 7186.79 ft at 3:15PM Jul 30, 2021Observed: 7186.8 ft at 3:30PM Jul 30, 2021Observed: 7186.8 ft at 3:45PM Jul 30, 2021Observed: 7186.8 ft at 4:00PM Jul 30, 2021Observed: 7186.82 ft at 4:15PM Jul 30, 2021Observed: 7186.81 ft at 4:30PM Jul 30, 2021Observed: 7186.8 ft at 4:45PM Jul 30, 2021Observed: 7186.82 ft at 5:00PM Jul 30, 2021Observed: 7186.82 ft at 5:15PM Jul 30, 2021Observed: 7186.81 ft at 5:30PM Jul 30, 2021Observed: 7186.81 ft at 5:45PM Jul 30, 2021Observed: 7186.82 ft at 6:00PM Jul 30, 2021Observed: 7186.8 ft at 6:15PM Jul 30, 2021Observed: 7186.8 ft at 6:30PM Jul 30, 2021Observed: 7186.82 ft at 6:45PM Jul 30, 2021Observed: 7186.82 ft at 7:00PM Jul 30, 2021Observed: 7186.81 ft at 7:15PM Jul 30, 2021Observed: 7186.81 ft at 7:30PM Jul 30, 2021Observed: 7186.82 ft at 7:45PM Jul 30, 2021Observed: 7186.81 ft at 8:00PM Jul 30, 2021Observed: 7186.8 ft at 8:15PM Jul 30, 2021Observed: 7186.81 ft at 8:30PM Jul 30, 2021Observed: 7186.82 ft at 8:45PM Jul 30, 2021Observed: 7186.82 ft at 9:00PM Jul 30, 2021Observed: 7186.8 ft at 9:15PM Jul 30, 2021Observed: 7186.81 ft at 9:30PM Jul 30, 2021Observed: 7186.82 ft at 9:45PM Jul 30, 2021Observed: 7186.81 ft at 10:00PM Jul 30, 2021Observed: 7186.81 ft at 10:15PM Jul 30, 2021Observed: 7186.83 ft at 10:30PM Jul 30, 2021Observed: 7186.83 ft at 10:45PM Jul 30, 2021Observed: 7186.81 ft at 11:00PM Jul 30, 2021Observed: 7186.8 ft at 11:15PM Jul 30, 2021Observed: 7186.83 ft at 11:30PM Jul 30, 2021Observed: 7186.82 ft at 11:45PM Jul 30, 2021Observed: 7186.81 ft at 12:00AM Jul 31, 2021Observed: 7186.81 ft at 12:15AM Jul 31, 2021Observed: 7186.82 ft at 12:30AM Jul 31, 2021Observed: 7186.82 ft at 12:45AM Jul 31, 2021Observed: 7186.81 ft at 1:00AM Jul 31, 2021Observed: 7186.81 ft at 1:15AM Jul 31, 2021Observed: 7186.83 ft at 1:30AM Jul 31, 2021Observed: 7186.82 ft at 1:45AM Jul 31, 2021Observed: 7186.82 ft at 2:00AM Jul 31, 2021Observed: 7186.82 ft at 2:15AM Jul 31, 2021Observed: 7186.83 ft at 2:30AM Jul 31, 2021Observed: 7186.83 ft at 2:45AM Jul 31, 2021Observed: 7186.82 ft at 3:00AM Jul 31, 2021Observed: 7186.82 ft at 3:15AM Jul 31, 2021Observed: 7186.82 ft at 3:30AM Jul 31, 2021Observed: 7186.82 ft at 3:45AM Jul 31, 2021Observed: 7186.82 ft at 4:00AM Jul 31, 2021Observed: 7186.82 ft at 4:15AM Jul 31, 2021Observed: 7186.82 ft at 4:30AM Jul 31, 2021Observed: 7186.82 ft at 4:45AM Jul 31, 2021Observed: 7186.82 ft at 5:00AM Jul 31, 2021Observed: 7186.82 ft at 5:15AM Jul 31, 2021Observed: 7186.82 ft at 5:30AM Jul 31, 2021Observed: 7186.82 ft at 5:45AM Jul 31, 2021Observed: 7186.82 ft at 6:00AM Jul 31, 2021Observed: 7186.82 ft at 6:15AM Jul 31, 2021Observed: 7186.82 ft at 6:30AM Jul 31, 2021Observed: 7186.82 ft at 6:45AM Jul 31, 2021Observed: 7186.83 ft at 7:00AM Jul 31, 2021Observed: 7186.83 ft at 7:15AM Jul 31, 2021Observed: 7186.83 ft at 7:30AM Jul 31, 2021Observed: 7186.82 ft at 7:45AM Jul 31, 2021Observed: 7186.83 ft at 8:00AM Jul 31, 2021Observed: 7186.83 ft at 8:15AM Jul 31, 2021Observed: 7186.83 ft at 8:30AM Jul 31, 2021Observed: 7186.83 ft at 8:45AM Jul 31, 2021Observed: 7186.83 ft at 9:00AM Jul 31, 2021Observed: 7186.83 ft at 9:15AM Jul 31, 2021Observed: 7186.83 ft at 9:30AM Jul 31, 2021Observed: 7186.83 ft at 9:45AM Jul 31, 2021Observed: 7186.83 ft at 10:00AM Jul 31, 2021Observed: 7186.83 ft at 10:15AM Jul 31, 2021Observed: 7186.83 ft at 10:30AM Jul 31, 2021Observed: 7186.83 ft at 10:45AM Jul 31, 2021Observed: 7186.83 ft at 11:00AM Jul 31, 2021Observed: 7186.83 ft at 11:15AM Jul 31, 2021Observed: 7186.83 ft at 11:30AM Jul 31, 2021Observed: 7186.83 ft at 11:45AM Jul 31, 2021Observed: 7186.84 ft at 12:00PM Jul 31, 2021Observed: 7186.84 ft at 12:15PM Jul 31, 2021Observed: 7186.84 ft at 12:30PM Jul 31, 2021Observed: 7186.83 ft at 12:45PM Jul 31, 2021Observed: 7186.84 ft at 1:00PM Jul 31, 2021Observed: 7186.84 ft at 1:15PM Jul 31, 2021Observed: 7186.84 ft at 1:30PM Jul 31, 2021Observed: 7186.84 ft at 1:45PM Jul 31, 2021Observed: 7186.84 ft at 2:00PM Jul 31, 2021Observed: 7186.84 ft at 2:15PM Jul 31, 2021Observed: 7186.84 ft at 2:30PM Jul 31, 2021Observed: 7186.84 ft at 2:45PM Jul 31, 2021Observed: 7186.84 ft at 3:00PM Jul 31, 2021Observed: 7186.85 ft at 3:15PM Jul 31, 2021Observed: 7186.83 ft at 3:30PM Jul 31, 2021Observed: 7186.83 ft at 3:45PM Jul 31, 2021Observed: 7186.83 ft at 4:00PM Jul 31, 2021Observed: 7186.85 ft at 4:15PM Jul 31, 2021Observed: 7186.86 ft at 4:30PM Jul 31, 2021Observed: 7186.83 ft at 4:45PM Jul 31, 2021Observed: 7186.84 ft at 5:00PM Jul 31, 2021Observed: 7186.86 ft at 5:15PM Jul 31, 2021Observed: 7186.85 ft at 5:30PM Jul 31, 2021Observed: 7186.84 ft at 5:45PM Jul 31, 2021Observed: 7186.85 ft at 6:00PM Jul 31, 2021Observed: 7186.85 ft at 6:15PM Jul 31, 2021Observed: 7186.84 ft at 6:30PM Jul 31, 2021Observed: 7186.84 ft at 6:45PM Jul 31, 2021Observed: 7186.84 ft at 7:00PM Jul 31, 2021Observed: 7186.85 ft at 7:15PM Jul 31, 2021Observed: 7186.84 ft at 7:30PM Jul 31, 2021Observed: 7186.84 ft at 7:45PM Jul 31, 2021Observed: 7186.85 ft at 8:00PM Jul 31, 2021Observed: 7186.85 ft at 8:15PM Jul 31, 2021Observed: 7186.84 ft at 8:30PM Jul 31, 2021Observed: 7186.85 ft at 8:45PM Jul 31, 2021Observed: 7186.84 ft at 9:00PM Jul 31, 2021Observed: 7186.84 ft at 9:15PM Jul 31, 2021Observed: 7186.84 ft at 9:30PM Jul 31, 2021Observed: 7186.84 ft at 9:45PM Jul 31, 2021Observed: 7186.84 ft at 10:00PM Jul 31, 2021Observed: 7186.84 ft at 10:15PM Jul 31, 2021Observed: 7186.84 ft at 10:30PM Jul 31, 2021Observed: 7186.84 ft at 10:45PM Jul 31, 2021Observed: 7186.84 ft at 11:00PM Jul 31, 2021Observed: 7186.84 ft at 11:15PM Jul 31, 2021Observed: 7186.85 ft at 11:30PM Jul 31, 2021Observed: 7186.84 ft at 11:45PM Jul 31, 2021Observed: 7186.84 ft at 12:00AM Aug 01, 2021Observed: 7186.83 ft at 12:15AM Aug 01, 2021Observed: 7186.84 ft at 12:30AM Aug 01, 2021Observed: 7186.84 ft at 12:45AM Aug 01, 2021Observed: 7186.84 ft at 1:00AM Aug 01, 2021Observed: 7186.84 ft at 1:15AM Aug 01, 2021Observed: 7186.85 ft at 1:30AM Aug 01, 2021Observed: 7186.84 ft at 1:45AM Aug 01, 2021Observed: 7186.84 ft at 2:00AM Aug 01, 2021Observed: 7186.84 ft at 2:15AM Aug 01, 2021Observed: 7186.84 ft at 2:30AM Aug 01, 2021Observed: 7186.84 ft at 2:45AM Aug 01, 2021Observed: 7186.84 ft at 3:00AM Aug 01, 2021Observed: 7186.84 ft at 3:15AM Aug 01, 2021Observed: 7186.84 ft at 3:30AM Aug 01, 2021Observed: 7186.84 ft at 3:45AM Aug 01, 2021Observed: 7186.83 ft at 4:00AM Aug 01, 2021Observed: 7186.84 ft at 4:15AM Aug 01, 2021Observed: 7186.84 ft at 4:30AM Aug 01, 2021Observed: 7186.84 ft at 4:45AM Aug 01, 2021Observed: 7186.84 ft at 5:00AM Aug 01, 2021Observed: 7186.84 ft at 5:15AM Aug 01, 2021Observed: 7186.84 ft at 5:30AM Aug 01, 2021Observed: 7186.84 ft at 5:45AM Aug 01, 2021Observed: 7186.85 ft at 6:00AM Aug 01, 2021Observed: 7186.85 ft at 6:15AM Aug 01, 2021Observed: 7186.84 ft at 6:30AM Aug 01, 2021Observed: 7186.84 ft at 6:45AM Aug 01, 2021Observed: 7186.84 ft at 7:00AM Aug 01, 2021Observed: 7186.85 ft at 7:15AM Aug 01, 2021Observed: 7186.84 ft at 7:30AM Aug 01, 2021Observed: 7186.84 ft at 7:45AM Aug 01, 2021Observed: 7186.85 ft at 8:00AM Aug 01, 2021Observed: 7186.85 ft at 8:15AM Aug 01, 2021Observed: 7186.85 ft at 8:30AM Aug 01, 2021Observed: 7186.85 ft at 8:45AM Aug 01, 2021Observed: 7186.85 ft at 9:00AM Aug 01, 2021Observed: 7186.85 ft at 9:15AM Aug 01, 2021Observed: 7186.85 ft at 9:30AM Aug 01, 2021Observed: 7186.86 ft at 9:45AM Aug 01, 2021Observed: 7186.85 ft at 10:00AM Aug 01, 2021Observed: 7186.85 ft at 10:15AM Aug 01, 2021Observed: 7186.85 ft at 10:30AM Aug 01, 2021Observed: 7186.85 ft at 10:45AM Aug 01, 2021Observed: 7186.85 ft at 11:00AM Aug 01, 2021Observed: 7186.86 ft at 11:15AM Aug 01, 2021Observed: 7186.86 ft at 11:30AM Aug 01, 2021Observed: 7186.86 ft at 11:45AM Aug 01, 2021Observed: 7186.85 ft at 12:00PM Aug 01, 2021Observed: 7186.86 ft at 12:15PM Aug 01, 2021Observed: 7186.86 ft at 12:30PM Aug 01, 2021Observed: 7186.85 ft at 12:45PM Aug 01, 2021Observed: 7186.86 ft at 1:00PM Aug 01, 2021Observed: 7186.87 ft at 1:15PM Aug 01, 2021Observed: 7186.86 ft at 1:30PM Aug 01, 2021Observed: 7186.86 ft at 1:45PM Aug 01, 2021Observed: 7186.86 ft at 2:00PM Aug 01, 2021Highest Observation: 7186.88 ft at 2:15PM Aug 01, 2021Observed: 7186.87 ft at 2:30PM Aug 01, 2021Observed: 7186.86 ft at 2:45PM Aug 01, 2021Observed: 7186.87 ft at 3:00PM Aug 01, 2021Highest Observation: 7186.88 ft at 3:15PM Aug 01, 2021Observed: 7186.86 ft at 3:30PM Aug 01, 2021Observed: 7186.86 ft at 3:45PM Aug 01, 2021Observed: 7186.87 ft at 4:00PM Aug 01, 2021Highest Observation: 7186.88 ft at 4:15PM Aug 01, 2021Observed: 7186.86 ft at 4:30PM Aug 01, 2021Observed: 7186.86 ft at 4:45PM Aug 01, 2021Observed: 7186.87 ft at 5:00PM Aug 01, 2021Highest Observation: 7186.88 ft at 5:15PM Aug 01, 2021Observed: 7186.87 ft at 5:30PM Aug 01, 2021Observed: 7186.87 ft at 5:45PM Aug 01, 2021Observed: 7186.87 ft at 6:00PM Aug 01, 2021Observed: 7186.87 ft at 6:15PM Aug 01, 2021Observed: 7186.87 ft at 6:30PM Aug 01, 2021Observed: 7186.87 ft at 6:45PM Aug 01, 2021Highest Observation: 7186.88 ft at 7:00PM Aug 01, 2021Highest Observation: 7186.88 ft at 7:15PM Aug 01, 2021Observed: 7186.87 ft at 7:30PM Aug 01, 2021Observed: 7186.87 ft at 7:45PM Aug 01, 2021Observed: 7186.87 ft at 8:00PM Aug 01, 2021Observed: 7186.87 ft at 8:15PM Aug 01, 2021Observed: 7186.87 ft at 8:30PM Aug 01, 2021Observed: 7186.87 ft at 8:45PM Aug 01, 2021Observed: 7186.87 ft at 9:00PM Aug 01, 2021Observed: 7186.87 ft at 9:15PM Aug 01, 2021Observed: 7186.87 ft at 9:30PM Aug 01, 2021Observed: 7186.87 ft at 9:45PM Aug 01, 2021Observed: 7186.87 ft at 10:00PM Aug 01, 2021Observed: 7186.86 ft at 10:15PM Aug 01, 2021Observed: 7186.86 ft at 10:30PM Aug 01, 2021Observed: 7186.86 ft at 10:45PM Aug 01, 2021Observed: 7186.86 ft at 11:00PM Aug 01, 2021Observed: 7186.86 ft at 11:15PM Aug 01, 2021Observed: 7186.86 ft at 11:30PM Aug 01, 2021Observed: 7186.86 ft at 11:45PM Aug 01, 2021Observed: 7186.86 ft at 12:00AM Aug 02, 2021Observed: 7186.86 ft at 12:15AM Aug 02, 2021Observed: 7186.85 ft at 12:30AM Aug 02, 2021Observed: 7186.85 ft at 12:45AM Aug 02, 2021Observed: 7186.85 ft at 1:00AM Aug 02, 2021Observed: 7186.85 ft at 1:15AM Aug 02, 2021Observed: 7186.86 ft at 1:30AM Aug 02, 2021Observed: 7186.86 ft at 1:45AM Aug 02, 2021Observed: 7186.85 ft at 2:00AM Aug 02, 2021Observed: 7186.86 ft at 2:15AM Aug 02, 2021Observed: 7186.86 ft at 2:30AM Aug 02, 2021Observed: 7186.86 ft at 2:45AM Aug 02, 2021Observed: 7186.86 ft at 3:00AM Aug 02, 2021Observed: 7186.86 ft at 3:15AM Aug 02, 2021Observed: 7186.86 ft at 3:30AM Aug 02, 2021Observed: 7186.86 ft at 3:45AM Aug 02, 2021Observed: 7186.86 ft at 4:00AM Aug 02, 2021Observed: 7186.86 ft at 4:15AM Aug 02, 2021Observed: 7186.86 ft at 4:30AM Aug 02, 2021Observed: 7186.86 ft at 4:45AM Aug 02, 2021Observed: 7186.86 ft at 5:00AM Aug 02, 2021Observed: 7186.86 ft at 5:15AM Aug 02, 2021Observed: 7186.86 ft at 5:30AM Aug 02, 2021Observed: 7186.85 ft at 5:45AM Aug 02, 2021Observed: 7186.86 ft at 6:00AM Aug 02, 2021Observed: 7186.86 ft at 6:15AM Aug 02, 2021Observed: 7186.86 ft at 6:30AM Aug 02, 2021Observed: 7186.86 ft at 6:45AM Aug 02, 2021Observed: 7186.86 ft at 7:00AM Aug 02, 2021Observed: 7186.86 ft at 7:15AM Aug 02, 2021Observed: 7186.86 ft at 7:30AM Aug 02, 2021Observed: 7186.86 ft at 7:45AM Aug 02, 2021Observed: 7186.86 ft at 8:00AM Aug 02, 2021Observed: 7186.86 ft at 8:15AM Aug 02, 2021Observed: 7186.86 ft at 8:30AM Aug 02, 2021Observed: 7186.86 ft at 8:45AM Aug 02, 2021Observed: 7186.87 ft at 9:00AM Aug 02, 2021Observed: 7186.87 ft at 9:15AM Aug 02, 2021Highest Observation: 7186.88 ft at 9:30AM Aug 02, 2021Observed: 7186.87 ft at 9:45AM Aug 02, 2021Highest Observation: 7186.88 ft at 10:00AM Aug 02, 2021Highest Observation: 7186.88 ft at 10:15AM Aug 02, 2021Highest Observation: 7186.88 ft at 10:30AM Aug 02, 2021Highest Observation: 7186.88 ft at 10:45AM Aug 02, 2021Highest Observation: 7186.88 ft at 11:00AM Aug 02, 2021Highest Observation: 7186.88 ft at 11:15AM Aug 02, 2021GRLW4(plotting HPIRG) Graph Created (12:19PM Aug 2, 2021)ObservedLatest observed value: 7186.88 ft at 11:15 AM MDT 2-Aug-2021. Flood Stage is 7212 ft
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Tabular Data (UTC)
Tabular Data (MDT)
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NOTE: Graphical forecasts are not available for the Reservoirs at Grassy Lake Reservoir. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 7212
Action Stage: 7210
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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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Latitude: 44.129167° N, Longitude: 110.818056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 7212 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 Not Available Not Available  
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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
Riverton Weather Forecast Office
12744 West U.S. Highway 26
Riverton, WY 82501
(307) 857-3898
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