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Hydrograph River at a Glance Download
Roanoke River at Niagara Stage (ft)Flow (kcfs)Observed: 2.48 ft at 4:00PM May 20, 2022Observed: 2.47 ft at 4:15PM May 20, 2022Observed: 2.47 ft at 4:30PM May 20, 2022Observed: 2.48 ft at 4:45PM May 20, 2022Observed: 2.48 ft at 5:00PM May 20, 2022Observed: 2.43 ft at 5:15PM May 20, 2022Observed: 2.41 ft at 5:30PM May 20, 2022Observed: 2.41 ft at 5:45PM May 20, 2022Observed: 2.42 ft at 6:00PM May 20, 2022Observed: 2.42 ft at 6:15PM May 20, 2022Observed: 2.41 ft at 6:30PM May 20, 2022Observed: 2.42 ft at 6:45PM May 20, 2022Observed: 2.42 ft at 7:00PM May 20, 2022Observed: 2.41 ft at 7:15PM May 20, 2022Observed: 2.41 ft at 7:30PM May 20, 2022Observed: 2.41 ft at 7:45PM May 20, 2022Observed: 2.42 ft at 8:00PM May 20, 2022Observed: 2.41 ft at 8:15PM May 20, 2022Observed: 2.41 ft at 8:30PM May 20, 2022Observed: 2.41 ft at 8:45PM May 20, 2022Observed: 2.42 ft at 9:00PM May 20, 2022Observed: 2.42 ft at 9:15PM May 20, 2022Observed: 2.41 ft at 9:30PM May 20, 2022Observed: 2.42 ft at 9:45PM May 20, 2022Observed: 2.41 ft at 11:00PM May 20, 2022Observed: 2.42 ft at 11:15PM May 20, 2022Observed: 2.41 ft at 11:30PM May 20, 2022Observed: 2.41 ft at 11:45PM May 20, 2022Observed: 2.41 ft at 12:00AM May 21, 2022Observed: 2.41 ft at 12:15AM May 21, 2022Observed: 2.41 ft at 12:30AM May 21, 2022Observed: 2.41 ft at 12:45AM May 21, 2022Observed: 2.41 ft at 1:00AM May 21, 2022Observed: 2.41 ft at 1:15AM May 21, 2022Observed: 2.41 ft at 1:30AM May 21, 2022Observed: 2.41 ft at 1:45AM May 21, 2022Observed: 2.41 ft at 2:00AM May 21, 2022Observed: 2.41 ft at 2:15AM May 21, 2022Observed: 2.41 ft at 2:30AM May 21, 2022Observed: 2.37 ft at 2:45AM May 21, 2022Observed: 2.37 ft at 3:00AM May 21, 2022Observed: 2.37 ft at 3:15AM May 21, 2022Observed: 2.37 ft at 3:30AM May 21, 2022Observed: 2.35 ft at 3:45AM May 21, 2022Observed: 2.31 ft at 4:00AM May 21, 2022Observed: 2.31 ft at 4:15AM May 21, 2022Observed: 2.31 ft at 4:30AM May 21, 2022Observed: 2.31 ft at 4:45AM May 21, 2022Observed: 2.31 ft at 5:00AM May 21, 2022Observed: 2.31 ft at 5:15AM May 21, 2022Observed: 2.31 ft at 5:30AM May 21, 2022Observed: 2.31 ft at 5:45AM May 21, 2022Observed: 2.31 ft at 6:00AM May 21, 2022Observed: 2.31 ft at 6:15AM May 21, 2022Observed: 2.32 ft at 6:30AM May 21, 2022Observed: 2.31 ft at 6:45AM May 21, 2022Observed: 2.31 ft at 7:00AM May 21, 2022Observed: 2.32 ft at 7:15AM May 21, 2022Observed: 2.32 ft at 7:30AM May 21, 2022Observed: 2.32 ft at 7:45AM May 21, 2022Observed: 2.32 ft at 8:00AM May 21, 2022Observed: 2.32 ft at 8:15AM May 21, 2022Observed: 2.32 ft at 8:30AM May 21, 2022Observed: 2.32 ft at 8:45AM May 21, 2022Observed: 2.32 ft at 9:00AM May 21, 2022Observed: 2.32 ft at 9:15AM May 21, 2022Observed: 2.32 ft at 9:30AM May 21, 2022Observed: 2.32 ft at 9:45AM May 21, 2022Observed: 2.32 ft at 10:00AM May 21, 2022Observed: 2.32 ft at 10:15AM May 21, 2022Observed: 2.32 ft at 10:30AM May 21, 2022Observed: 2.32 ft at 10:45AM May 21, 2022Observed: 2.32 ft at 11:00AM May 21, 2022Observed: 2.32 ft at 11:15AM May 21, 2022Observed: 2.32 ft at 11:30AM May 21, 2022Observed: 2.32 ft at 11:45AM May 21, 2022Observed: 2.32 ft at 12:00PM May 21, 2022Observed: 2.32 ft at 12:15PM May 21, 2022Observed: 2.33 ft at 12:30PM May 21, 2022Observed: 2.33 ft at 12:45PM May 21, 2022Observed: 2.32 ft at 1:00PM May 21, 2022Observed: 2.33 ft at 1:15PM May 21, 2022Observed: 2.33 ft at 1:30PM May 21, 2022Observed: 2.33 ft at 1:45PM May 21, 2022Observed: 2.33 ft at 2:00PM May 21, 2022Observed: 2.33 ft at 2:15PM May 21, 2022Observed: 2.33 ft at 2:30PM May 21, 2022Observed: 2.33 ft at 2:45PM May 21, 2022Observed: 2.33 ft at 3:00PM May 21, 2022Observed: 2.34 ft at 3:15PM May 21, 2022Observed: 2.34 ft at 3:30PM May 21, 2022Observed: 2.34 ft at 3:45PM May 21, 2022Observed: 2.33 ft at 4:00PM May 21, 2022Observed: 2.34 ft at 4:15PM May 21, 2022Observed: 2.34 ft at 4:30PM May 21, 2022Observed: 2.33 ft at 4:45PM May 21, 2022Observed: 2.33 ft at 5:00PM May 21, 2022Observed: 2.33 ft at 5:15PM May 21, 2022Observed: 2.34 ft at 5:30PM May 21, 2022Observed: 2.36 ft at 5:45PM May 21, 2022Observed: 2.37 ft at 6:00PM May 21, 2022Observed: 2.37 ft at 6:15PM May 21, 2022Observed: 2.37 ft at 6:30PM May 21, 2022Observed: 2.38 ft at 6:45PM May 21, 2022Observed: 2.37 ft at 7:00PM May 21, 2022Observed: 2.37 ft at 7:15PM May 21, 2022Observed: 2.37 ft at 7:30PM May 21, 2022Observed: 2.38 ft at 7:45PM May 21, 2022Observed: 2.4 ft at 8:00PM May 21, 2022Observed: 2.39 ft at 8:15PM May 21, 2022Observed: 2.37 ft at 8:30PM May 21, 2022Observed: 2.39 ft at 8:45PM May 21, 2022Observed: 2.38 ft at 9:00PM May 21, 2022Observed: 2.38 ft at 9:15PM May 21, 2022Observed: 2.38 ft at 9:30PM May 21, 2022Observed: 2.38 ft at 9:45PM May 21, 2022Observed: 2.37 ft at 10:00PM May 21, 2022Observed: 2.37 ft at 10:15PM May 21, 2022Observed: 2.37 ft at 10:30PM May 21, 2022Observed: 2.37 ft at 10:45PM May 21, 2022Observed: 2.37 ft at 11:00PM May 21, 2022Observed: 2.37 ft at 11:15PM May 21, 2022Observed: 2.37 ft at 11:30PM May 21, 2022Observed: 2.37 ft at 11:45PM May 21, 2022Observed: 2.37 ft at 12:00AM May 22, 2022Observed: 2.37 ft at 12:15AM May 22, 2022Observed: 2.37 ft at 12:30AM May 22, 2022Observed: 2.37 ft at 12:45AM May 22, 2022Observed: 2.39 ft at 1:00AM May 22, 2022Observed: 2.43 ft at 1:15AM May 22, 2022Observed: 2.46 ft at 1:30AM May 22, 2022Observed: 2.57 ft at 1:45AM May 22, 2022Observed: 2.59 ft at 2:00AM May 22, 2022Observed: 2.6 ft at 2:15AM May 22, 2022Observed: 2.59 ft at 2:30AM May 22, 2022Observed: 2.59 ft at 2:45AM May 22, 2022Observed: 2.59 ft at 3:00AM May 22, 2022Observed: 2.6 ft at 3:15AM May 22, 2022Observed: 2.6 ft at 3:30AM May 22, 2022Observed: 2.59 ft at 3:45AM May 22, 2022Observed: 2.6 ft at 4:00AM May 22, 2022Observed: 2.6 ft at 4:15AM May 22, 2022Observed: 2.6 ft at 4:30AM May 22, 2022Observed: 2.6 ft at 4:45AM May 22, 2022Observed: 2.6 ft at 5:00AM May 22, 2022Observed: 2.59 ft at 5:15AM May 22, 2022Observed: 2.6 ft at 5:30AM May 22, 2022Observed: 2.59 ft at 5:45AM May 22, 2022Observed: 2.6 ft at 6:00AM May 22, 2022Observed: 2.59 ft at 6:15AM May 22, 2022Observed: 2.6 ft at 6:30AM May 22, 2022Observed: 2.6 ft at 6:45AM May 22, 2022Observed: 2.58 ft at 7:00AM May 22, 2022Observed: 2.59 ft at 7:15AM May 22, 2022Observed: 2.59 ft at 7:30AM May 22, 2022Observed: 2.58 ft at 7:45AM May 22, 2022Observed: 2.58 ft at 8:00AM May 22, 2022Observed: 2.59 ft at 8:15AM May 22, 2022Observed: 2.58 ft at 8:30AM May 22, 2022Observed: 2.58 ft at 8:45AM May 22, 2022Observed: 2.52 ft at 9:00AM May 22, 2022Observed: 2.51 ft at 9:15AM May 22, 2022Observed: 2.51 ft at 9:30AM May 22, 2022Observed: 2.41 ft at 9:45AM May 22, 2022Observed: 2.4 ft at 10:00AM May 22, 2022Observed: 2.4 ft at 10:15AM May 22, 2022Observed: 2.4 ft at 10:30AM May 22, 2022Observed: 2.39 ft at 10:45AM May 22, 2022Observed: 2.4 ft at 11:00AM May 22, 2022Observed: 2.4 ft at 11:15AM May 22, 2022Observed: 2.4 ft at 11:30AM May 22, 2022Observed: 2.39 ft at 11:45AM May 22, 2022Observed: 2.4 ft at 12:00PM May 22, 2022Observed: 2.4 ft at 12:15PM May 22, 2022Observed: 2.4 ft at 12:30PM May 22, 2022Observed: 2.4 ft at 12:45PM May 22, 2022Observed: 2.4 ft at 1:00PM May 22, 2022Observed: 2.39 ft at 1:15PM May 22, 2022Observed: 2.4 ft at 1:30PM May 22, 2022Observed: 2.4 ft at 1:45PM May 22, 2022Observed: 2.4 ft at 2:00PM May 22, 2022Observed: 2.4 ft at 2:15PM May 22, 2022Observed: 2.4 ft at 2:30PM May 22, 2022Observed: 2.4 ft at 2:45PM May 22, 2022Observed: 2.4 ft at 3:00PM May 22, 2022Observed: 2.4 ft at 3:15PM May 22, 2022Observed: 2.4 ft at 3:30PM May 22, 2022Observed: 2.4 ft at 3:45PM May 22, 2022Observed: 2.4 ft at 4:00PM May 22, 2022Observed: 2.41 ft at 4:15PM May 22, 2022Observed: 2.42 ft at 4:30PM May 22, 2022Observed: 2.42 ft at 4:45PM May 22, 2022Observed: 2.42 ft at 5:00PM May 22, 2022Observed: 2.43 ft at 5:15PM May 22, 2022Observed: 2.5 ft at 5:30PM May 22, 2022Observed: 2.64 ft at 5:45PM May 22, 2022Observed: 2.65 ft at 6:00PM May 22, 2022Observed: 2.65 ft at 6:15PM May 22, 2022Observed: 2.67 ft at 6:30PM May 22, 2022Observed: 2.68 ft at 6:45PM May 22, 2022Observed: 2.69 ft at 7:00PM May 22, 2022Observed: 2.7 ft at 7:15PM May 22, 2022Observed: 2.72 ft at 7:30PM May 22, 2022Observed: 2.72 ft at 7:45PM May 22, 2022Observed: 2.73 ft at 8:00PM May 22, 2022Observed: 2.75 ft at 8:15PM May 22, 2022Observed: 2.78 ft at 8:30PM May 22, 2022Observed: 2.82 ft at 8:45PM May 22, 2022Observed: 2.85 ft at 9:00PM May 22, 2022Observed: 2.89 ft at 9:15PM May 22, 2022Observed: 2.92 ft at 9:30PM May 22, 2022Observed: 2.97 ft at 9:45PM May 22, 2022Observed: 2.98 ft at 10:00PM May 22, 2022Observed: 2.99 ft at 10:15PM May 22, 2022Observed: 3.01 ft at 10:30PM May 22, 2022Observed: 3.01 ft at 10:45PM May 22, 2022Observed: 3.02 ft at 11:00PM May 22, 2022Observed: 3.01 ft at 11:15PM May 22, 2022Observed: 3.01 ft at 11:30PM May 22, 2022Observed: 3.01 ft at 11:45PM May 22, 2022Observed: 3 ft at 12:00AM May 23, 2022Observed: 2.99 ft at 12:15AM May 23, 2022Observed: 2.97 ft at 12:30AM May 23, 2022Observed: 2.95 ft at 12:45AM May 23, 2022Observed: 2.93 ft at 1:00AM May 23, 2022Observed: 2.91 ft at 1:15AM May 23, 2022Observed: 2.89 ft at 1:30AM May 23, 2022Observed: 2.87 ft at 1:45AM May 23, 2022Observed: 2.85 ft at 2:00AM May 23, 2022Observed: 2.83 ft at 2:15AM May 23, 2022Observed: 2.81 ft at 2:30AM May 23, 2022Observed: 2.8 ft at 2:45AM May 23, 2022Observed: 2.79 ft at 3:00AM May 23, 2022Observed: 2.77 ft at 3:15AM May 23, 2022Observed: 2.76 ft at 3:30AM May 23, 2022Observed: 2.76 ft at 3:45AM May 23, 2022Observed: 2.72 ft at 4:00AM May 23, 2022Observed: 2.71 ft at 4:15AM May 23, 2022Observed: 2.7 ft at 4:30AM May 23, 2022Observed: 2.7 ft at 4:45AM May 23, 2022Observed: 2.69 ft at 5:00AM May 23, 2022Observed: 2.68 ft at 5:15AM May 23, 2022Observed: 2.68 ft at 5:30AM May 23, 2022Observed: 2.67 ft at 5:45AM May 23, 2022Observed: 2.67 ft at 6:00AM May 23, 2022Observed: 2.65 ft at 6:15AM May 23, 2022Observed: 2.65 ft at 6:30AM May 23, 2022Observed: 2.65 ft at 6:45AM May 23, 2022Observed: 2.64 ft at 7:00AM May 23, 2022Observed: 2.65 ft at 7:15AM May 23, 2022Observed: 2.65 ft at 7:30AM May 23, 2022Observed: 2.65 ft at 7:45AM May 23, 2022Observed: 2.64 ft at 8:00AM May 23, 2022Observed: 2.64 ft at 8:15AM May 23, 2022Observed: 2.64 ft at 8:30AM May 23, 2022Observed: 2.64 ft at 8:45AM May 23, 2022Observed: 2.64 ft at 9:00AM May 23, 2022Observed: 2.63 ft at 9:15AM May 23, 2022Observed: 2.63 ft at 9:30AM May 23, 2022Observed: 2.63 ft at 9:45AM May 23, 2022Observed: 2.63 ft at 10:00AM May 23, 2022Observed: 2.62 ft at 10:15AM May 23, 2022Observed: 2.61 ft at 10:30AM May 23, 2022Observed: 2.61 ft at 10:45AM May 23, 2022Observed: 2.61 ft at 11:00AM May 23, 2022Observed: 2.61 ft at 11:15AM May 23, 2022Observed: 2.61 ft at 11:30AM May 23, 2022Observed: 2.62 ft at 11:45AM May 23, 2022Observed: 2.61 ft at 12:00PM May 23, 2022Observed: 2.61 ft at 12:15PM May 23, 2022Observed: 2.61 ft at 12:30PM May 23, 2022Observed: 2.62 ft at 12:45PM May 23, 2022Observed: 2.62 ft at 1:00PM May 23, 2022Observed: 2.62 ft at 1:15PM May 23, 2022Observed: 2.63 ft at 1:30PM May 23, 2022Observed: 2.65 ft at 1:45PM May 23, 2022Observed: 2.67 ft at 2:00PM May 23, 2022Observed: 2.69 ft at 2:15PM May 23, 2022Observed: 2.71 ft at 2:30PM May 23, 2022Observed: 3.38 ft at 2:45PM May 23, 2022Observed: 3.6 ft at 3:00PM May 23, 2022Observed: 3.61 ft at 3:15PM May 23, 2022Observed: 3.6 ft at 3:30PM May 23, 2022Observed: 3.59 ft at 3:45PM May 23, 2022Observed: 3.53 ft at 4:00PM May 23, 2022Observed: 3.4 ft at 4:15PM May 23, 2022Observed: 3.36 ft at 4:30PM May 23, 2022Observed: 3.22 ft at 4:45PM May 23, 2022Observed: 3.21 ft at 5:00PM May 23, 2022Observed: 3.21 ft at 5:15PM May 23, 2022Observed: 3.23 ft at 5:30PM May 23, 2022Observed: 3.26 ft at 5:45PM May 23, 2022Observed: 3.31 ft at 6:00PM May 23, 2022Observed: 3.55 ft at 6:15PM May 23, 2022Observed: 3.59 ft at 6:30PM May 23, 2022Observed: 3.58 ft at 6:45PM May 23, 2022Observed: 3.59 ft at 7:00PM May 23, 2022Observed: 3.58 ft at 7:15PM May 23, 2022Observed: 3.6 ft at 7:30PM May 23, 2022Observed: 3.59 ft at 7:45PM May 23, 2022Observed: 3.61 ft at 8:00PM May 23, 2022Observed: 3.69 ft at 8:15PM May 23, 2022Observed: 3.71 ft at 8:30PM May 23, 2022Observed: 3.7 ft at 8:45PM May 23, 2022Observed: 3.72 ft at 9:00PM May 23, 2022Observed: 3.78 ft at 9:15PM May 23, 2022Observed: 4.13 ft at 9:30PM May 23, 2022Observed: 4.47 ft at 9:45PM May 23, 2022Observed: 4.71 ft at 10:00PM May 23, 2022Observed: 4.93 ft at 10:15PM May 23, 2022Observed: 5.12 ft at 10:30PM May 23, 2022Observed: 5.29 ft at 10:45PM May 23, 2022Observed: 5.47 ft at 11:00PM May 23, 2022Observed: 5.69 ft at 11:15PM May 23, 2022Observed: 5.92 ft at 11:30PM May 23, 2022Observed: 6.15 ft at 11:45PM May 23, 2022Observed: 6.37 ft at 12:00AM May 24, 2022Observed: 6.58 ft at 12:15AM May 24, 2022Observed: 6.74 ft at 12:30AM May 24, 2022Observed: 6.84 ft at 12:45AM May 24, 2022Observed: 6.93 ft at 1:00AM May 24, 2022Observed: 6.99 ft at 1:15AM May 24, 2022Observed: 7.01 ft at 1:30AM May 24, 2022Observed: 7.03 ft at 1:45AM May 24, 2022Observed: 7.04 ft at 2:00AM May 24, 2022Observed: 7.02 ft at 2:15AM May 24, 2022Observed: 7 ft at 2:30AM May 24, 2022Observed: 7 ft at 2:45AM May 24, 2022Observed: 7 ft at 3:00AM May 24, 2022Observed: 6.99 ft at 3:15AM May 24, 2022Observed: 7.03 ft at 3:30AM May 24, 2022Observed: 7.05 ft at 3:45AM May 24, 2022Observed: 7.1 ft at 4:00AM May 24, 2022Observed: 7.09 ft at 4:15AM May 24, 2022Observed: 7.07 ft at 4:30AM May 24, 2022Observed: 7.06 ft at 4:45AM May 24, 2022Observed: 7.02 ft at 5:00AM May 24, 2022Observed: 6.98 ft at 5:15AM May 24, 2022Observed: 6.98 ft at 5:30AM May 24, 2022Observed: 6.99 ft at 5:45AM May 24, 2022Observed: 7.08 ft at 6:00AM May 24, 2022Observed: 7.22 ft at 6:15AM May 24, 2022Observed: 7.4 ft at 6:30AM May 24, 2022Observed: 7.55 ft at 6:45AM May 24, 2022Observed: 7.7 ft at 7:00AM May 24, 2022Observed: 7.9 ft at 7:15AM May 24, 2022Observed: 8.12 ft at 7:30AM May 24, 2022Observed: 8.27 ft at 7:45AM May 24, 2022Observed: 8.45 ft at 8:00AM May 24, 2022Observed: 8.65 ft at 8:15AM May 24, 2022Observed: 8.86 ft at 8:30AM May 24, 2022Observed: 9 ft at 8:45AM May 24, 2022Observed: 9.25 ft at 9:00AM May 24, 2022Observed: 9.34 ft at 9:15AM May 24, 2022Observed: 9.42 ft at 9:30AM May 24, 2022Observed: 9.48 ft at 9:45AM May 24, 2022Observed: 9.51 ft at 10:00AM May 24, 2022Observed: 9.55 ft at 10:15AM May 24, 2022Observed: 9.6 ft at 10:30AM May 24, 2022Observed: 9.64 ft at 10:45AM May 24, 2022Observed: 9.69 ft at 11:00AM May 24, 2022Observed: 9.68 ft at 11:15AM May 24, 2022Observed: 9.73 ft at 11:30AM May 24, 2022Observed: 9.74 ft at 11:45AM May 24, 2022Observed: 9.73 ft at 12:00PM May 24, 2022Observed: 9.73 ft at 12:15PM May 24, 2022Observed: 9.75 ft at 12:30PM May 24, 2022Observed: 9.78 ft at 12:45PM May 24, 2022Observed: 9.8 ft at 1:00PM May 24, 2022Observed: 9.77 ft at 1:15PM May 24, 2022Observed: 9.8 ft at 1:30PM May 24, 2022Observed: 9.79 ft at 1:45PM May 24, 2022Observed: 9.8 ft at 2:00PM May 24, 2022Observed: 9.81 ft at 2:15PM May 24, 2022Highest Observation: 9.82 ft at 2:30PM May 24, 2022Observed: 9.75 ft at 2:45PM May 24, 2022Observed: 9.71 ft at 3:00PM May 24, 2022Observed: 9.66 ft at 3:15PM May 24, 2022Observed: 9.67 ft at 3:30PM May 24, 2022Observed: 9.62 ft at 3:45PM May 24, 2022Observed: 9.56 ft at 4:00PM May 24, 2022Observed: 9.54 ft at 4:15PM May 24, 2022Observed: 9.43 ft at 4:30PM May 24, 2022Observed: 9.39 ft at 4:45PM May 24, 2022Observed: 9.36 ft at 5:00PM May 24, 2022Observed: 9.32 ft at 5:15PM May 24, 2022Observed: 9.25 ft at 5:30PM May 24, 2022Observed: 9.19 ft at 5:45PM May 24, 2022Observed: 9.13 ft at 6:00PM May 24, 2022Observed: 9.05 ft at 6:15PM May 24, 2022Observed: 9.02 ft at 6:30PM May 24, 2022Observed: 8.94 ft at 6:45PM May 24, 2022Observed: 8.93 ft at 7:00PM May 24, 2022Observed: 8.83 ft at 7:15PM May 24, 2022Observed: 8.81 ft at 7:30PM May 24, 2022Observed: 8.74 ft at 7:45PM May 24, 2022Observed: 8.68 ft at 8:00PM May 24, 2022Observed: 8.63 ft at 8:15PM May 24, 2022Observed: 8.62 ft at 8:30PM May 24, 2022Observed: 8.56 ft at 8:45PM May 24, 2022Observed: 8.48 ft at 9:00PM May 24, 2022Observed: 8.42 ft at 9:15PM May 24, 2022Observed: 8.37 ft at 9:30PM May 24, 2022Observed: 8.37 ft at 9:45PM May 24, 2022Observed: 8.28 ft at 10:00PM May 24, 2022Observed: 8.22 ft at 10:15PM May 24, 2022Observed: 8.16 ft at 10:30PM May 24, 2022Observed: 8.09 ft at 10:45PM May 24, 2022Observed: 8.04 ft at 11:00PM May 24, 2022Observed: 7.97 ft at 11:15PM May 24, 2022Observed: 7.93 ft at 11:30PM May 24, 2022Observed: 7.87 ft at 11:45PM May 24, 2022Observed: 7.79 ft at 12:00AM May 25, 2022Observed: 7.73 ft at 12:15AM May 25, 2022Observed: 7.7 ft at 12:30AM May 25, 2022Observed: 7.65 ft at 12:45AM May 25, 2022Observed: 7.54 ft at 1:00AM May 25, 2022Observed: 7.53 ft at 1:15AM May 25, 2022Observed: 7.47 ft at 1:30AM May 25, 2022Observed: 7.43 ft at 1:45AM May 25, 2022Observed: 7.38 ft at 2:00AM May 25, 2022Observed: 7.32 ft at 2:15AM May 25, 2022Observed: 7.29 ft at 2:30AM May 25, 2022Observed: 7.24 ft at 2:45AM May 25, 2022Observed: 7.23 ft at 3:00AM May 25, 2022Observed: 7.16 ft at 3:15AM May 25, 2022Observed: 7.14 ft at 3:30AM May 25, 2022Observed: 7.09 ft at 3:45AM May 25, 2022Observed: 7.06 ft at 4:00AM May 25, 2022Observed: 7.02 ft at 4:15AM May 25, 2022Observed: 6.98 ft at 4:30AM May 25, 2022Observed: 6.95 ft at 4:45AM May 25, 2022Observed: 6.91 ft at 5:00AM May 25, 2022Observed: 6.87 ft at 5:15AM May 25, 2022Observed: 6.86 ft at 5:30AM May 25, 2022Observed: 6.81 ft at 5:45AM May 25, 2022Observed: 6.79 ft at 6:00AM May 25, 2022Observed: 6.76 ft at 6:15AM May 25, 2022Observed: 6.73 ft at 6:30AM May 25, 2022Observed: 6.69 ft at 6:45AM May 25, 2022Observed: 6.68 ft at 7:00AM May 25, 2022Observed: 6.66 ft at 7:15AM May 25, 2022Observed: 6.62 ft at 7:30AM May 25, 2022Observed: 6.58 ft at 7:45AM May 25, 2022Observed: 6.6 ft at 8:00AM May 25, 2022Observed: 6.55 ft at 8:15AM May 25, 2022Observed: 6.5 ft at 8:30AM May 25, 2022Observed: 6.45 ft at 8:45AM May 25, 2022Observed: 6.41 ft at 9:00AM May 25, 2022Observed: 6.39 ft at 9:15AM May 25, 2022Observed: 6.38 ft at 9:30AM May 25, 2022Observed: 6.38 ft at 9:45AM May 25, 2022Observed: 6.36 ft at 10:00AM May 25, 2022Observed: 6.32 ft at 10:15AM May 25, 2022Observed: 6.3 ft at 10:30AM May 25, 2022Observed: 6.26 ft at 10:45AM May 25, 2022Observed: 6.25 ft at 11:00AM May 25, 2022Observed: 6.22 ft at 11:15AM May 25, 2022Observed: 6.19 ft at 11:30AM May 25, 2022Observed: 6.18 ft at 11:45AM May 25, 2022Observed: 6.16 ft at 12:00PM May 25, 2022Observed: 6.13 ft at 12:15PM May 25, 2022Observed: 6.08 ft at 12:30PM May 25, 2022Observed: 6.07 ft at 12:45PM May 25, 2022Observed: 6.03 ft at 1:00PM May 25, 2022Observed: 6 ft at 1:15PM May 25, 2022Observed: 5.98 ft at 1:30PM May 25, 2022Observed: 5.97 ft at 1:45PM May 25, 2022Observed: 5.95 ft at 2:00PM May 25, 2022Observed: 5.95 ft at 2:15PM May 25, 2022Observed: 5.91 ft at 2:30PM May 25, 2022Observed: 5.89 ft at 2:45PM May 25, 2022Observed: 5.86 ft at 3:00PM May 25, 2022Observed: 5.84 ft at 3:15PM May 25, 2022Observed: 5.82 ft at 3:30PM May 25, 2022Observed: 5.82 ft at 3:45PM May 25, 2022Observed: 5.8 ft at 4:00PM May 25, 2022Observed: 5.79 ft at 4:15PM May 25, 2022Observed: 5.77 ft at 4:30PM May 25, 2022Observed: 5.75 ft at 4:45PM May 25, 2022Observed: 5.71 ft at 5:00PM May 25, 2022Observed: 5.71 ft at 5:15PM May 25, 2022Observed: 5.69 ft at 5:30PM May 25, 2022Observed: 5.67 ft at 5:45PM May 25, 2022Observed: 5.65 ft at 6:00PM May 25, 2022Observed: 5.64 ft at 6:15PM May 25, 2022Observed: 5.63 ft at 6:30PM May 25, 2022Observed: 5.59 ft at 6:45PM May 25, 2022Observed: 5.59 ft at 7:00PM May 25, 2022Observed: 5.56 ft at 7:15PM May 25, 2022Observed: 5.54 ft at 7:30PM May 25, 2022Observed: 5.55 ft at 7:45PM May 25, 2022Observed: 5.52 ft at 8:00PM May 25, 2022Observed: 5.49 ft at 8:15PM May 25, 2022Observed: 5.5 ft at 8:30PM May 25, 2022Observed: 5.48 ft at 8:45PM May 25, 2022Observed: 5.46 ft at 9:00PM May 25, 2022Observed: 5.45 ft at 9:15PM May 25, 2022Observed: 5.44 ft at 9:30PM May 25, 2022Observed: 5.41 ft at 9:45PM May 25, 2022Observed: 5.4 ft at 10:00PM May 25, 2022Observed: 5.38 ft at 10:15PM May 25, 2022Observed: 5.37 ft at 10:30PM May 25, 2022Observed: 5.36 ft at 10:45PM May 25, 2022Observed: 5.36 ft at 11:00PM May 25, 2022Observed: 5.34 ft at 11:15PM May 25, 2022Observed: 5.32 ft at 11:30PM May 25, 2022Observed: 5.3 ft at 11:45PM May 25, 2022Observed: 5.29 ft at 12:00AM May 26, 2022Observed: 5.28 ft at 12:15AM May 26, 2022Observed: 5.27 ft at 12:30AM May 26, 2022Observed: 5.28 ft at 12:45AM May 26, 2022Observed: 5.24 ft at 1:00AM May 26, 2022Observed: 5.24 ft at 1:15AM May 26, 2022Observed: 5.22 ft at 1:30AM May 26, 2022Observed: 5.2 ft at 1:45AM May 26, 2022Observed: 5.19 ft at 2:00AM May 26, 2022Observed: 5.18 ft at 2:15AM May 26, 2022Observed: 5.17 ft at 2:30AM May 26, 2022Observed: 5.16 ft at 2:45AM May 26, 2022Observed: 5.15 ft at 3:00AM May 26, 2022Observed: 5.14 ft at 3:15AM May 26, 2022Observed: 5.14 ft at 3:30AM May 26, 2022Observed: 5.09 ft at 3:45AM May 26, 2022Observed: 5.09 ft at 4:00AM May 26, 2022Observed: 5.09 ft at 4:15AM May 26, 2022Observed: 5.07 ft at 4:30AM May 26, 2022Observed: 5.06 ft at 4:45AM May 26, 2022Observed: 5.07 ft at 5:00AM May 26, 2022Observed: 5.04 ft at 5:15AM May 26, 2022Observed: 5.04 ft at 5:30AM May 26, 2022Observed: 5.02 ft at 5:45AM May 26, 2022Observed: 5 ft at 6:00AM May 26, 2022Observed: 4.99 ft at 6:15AM May 26, 2022Observed: 5 ft at 6:30AM May 26, 2022Observed: 5 ft at 6:45AM May 26, 2022Observed: 4.97 ft at 7:00AM May 26, 2022Observed: 4.95 ft at 7:15AM May 26, 2022Observed: 4.95 ft at 7:30AM May 26, 2022Observed: 4.95 ft at 7:45AM May 26, 2022Observed: 4.93 ft at 8:00AM May 26, 2022Observed: 4.93 ft at 8:15AM May 26, 2022Observed: 4.92 ft at 8:30AM May 26, 2022Observed: 4.91 ft at 8:45AM May 26, 2022Observed: 4.91 ft at 9:00AM May 26, 2022Observed: 4.9 ft at 9:15AM May 26, 2022Observed: 4.89 ft at 9:30AM May 26, 2022Observed: 4.89 ft at 9:45AM May 26, 2022Observed: 4.89 ft at 10:00AM May 26, 2022Observed: 4.87 ft at 10:15AM May 26, 2022Observed: 4.87 ft at 10:30AM May 26, 2022Observed: 4.85 ft at 10:45AM May 26, 2022Observed: 4.83 ft at 11:00AM May 26, 2022Observed: 4.84 ft at 11:15AM May 26, 2022Observed: 4.83 ft at 11:30AM May 26, 2022Observed: 4.81 ft at 11:45AM May 26, 2022Observed: 4.81 ft at 12:00PM May 26, 2022Observed: 4.79 ft at 12:15PM May 26, 2022Observed: 4.78 ft at 12:30PM May 26, 2022Observed: 4.77 ft at 12:45PM May 26, 2022Observed: 4.76 ft at 1:00PM May 26, 2022Observed: 4.75 ft at 1:15PM May 26, 2022Observed: 4.76 ft at 1:30PM May 26, 2022Observed: 4.75 ft at 1:45PM May 26, 2022Observed: 4.73 ft at 2:00PM May 26, 2022Observed: 4.73 ft at 2:15PM May 26, 2022Observed: 4.72 ft at 2:30PM May 26, 2022Observed: 4.7 ft at 2:45PM May 26, 2022Observed: 4.7 ft at 3:00PM May 26, 2022Observed: 4.68 ft at 3:15PM May 26, 2022Observed: 4.67 ft at 3:30PM May 26, 2022Observed: 4.68 ft at 3:45PM May 26, 2022Observed: 4.67 ft at 4:00PM May 26, 2022Observed: 4.67 ft at 4:15PM May 26, 2022Observed: 4.66 ft at 4:30PM May 26, 2022Observed: 4.65 ft at 4:45PM May 26, 2022Observed: 4.64 ft at 5:00PM May 26, 2022Observed: 4.63 ft at 5:15PM May 26, 2022Observed: 4.63 ft at 5:30PM May 26, 2022Observed: 4.62 ft at 5:45PM May 26, 2022Observed: 4.62 ft at 6:00PM May 26, 2022Observed: 4.61 ft at 6:15PM May 26, 2022Observed: 4.6 ft at 6:30PM May 26, 2022Observed: 4.59 ft at 6:45PM May 26, 2022Observed: 4.58 ft at 7:00PM May 26, 2022Observed: 4.57 ft at 7:15PM May 26, 2022Observed: 4.56 ft at 7:30PM May 26, 2022Observed: 4.56 ft at 7:45PM May 26, 2022Observed: 4.55 ft at 8:00PM May 26, 2022Observed: 4.55 ft at 8:15PM May 26, 2022Observed: 4.54 ft at 8:30PM May 26, 2022Observed: 4.54 ft at 8:45PM May 26, 2022Observed: 4.53 ft at 9:00PM May 26, 2022Observed: 4.52 ft at 9:15PM May 26, 2022Observed: 4.51 ft at 9:30PM May 26, 2022Observed: 4.51 ft at 9:45PM May 26, 2022Observed: 4.52 ft at 10:00PM May 26, 2022Observed: 4.5 ft at 10:15PM May 26, 2022Observed: 4.53 ft at 10:30PM May 26, 2022Observed: 4.51 ft at 10:45PM May 26, 2022Observed: 4.62 ft at 11:00PM May 26, 2022Observed: 4.64 ft at 11:15PM May 26, 2022Observed: 4.86 ft at 11:30PM May 26, 2022Observed: 5.22 ft at 11:45PM May 26, 2022Observed: 5.53 ft at 12:00AM May 27, 2022Observed: 5.62 ft at 12:15AM May 27, 2022Observed: 5.59 ft at 12:30AM May 27, 2022Observed: 5.54 ft at 12:45AM May 27, 2022Observed: 5.46 ft at 1:00AM May 27, 2022Observed: 5.41 ft at 1:15AM May 27, 2022Observed: 5.37 ft at 1:30AM May 27, 2022Observed: 5.37 ft at 1:45AM May 27, 2022Observed: 5.36 ft at 2:00AM May 27, 2022Observed: 5.34 ft at 2:15AM May 27, 2022Observed: 5.38 ft at 2:30AM May 27, 2022Observed: 5.38 ft at 2:45AM May 27, 2022Observed: 5.38 ft at 3:00AM May 27, 2022Observed: 5.38 ft at 3:15AM May 27, 2022Observed: 5.38 ft at 3:30AM May 27, 2022Observed: 5.35 ft at 3:45AM May 27, 2022Observed: 5.32 ft at 4:00AM May 27, 2022Observed: 5.32 ft at 4:15AM May 27, 2022Observed: 5.28 ft at 4:30AM May 27, 2022Observed: 5.25 ft at 4:45AM May 27, 2022Observed: 5.23 ft at 5:00AM May 27, 2022Observed: 5.22 ft at 5:15AM May 27, 2022Observed: 5.22 ft at 5:30AM May 27, 2022Observed: 5.25 ft at 5:45AM May 27, 2022Observed: 5.28 ft at 6:00AM May 27, 2022Observed: 5.34 ft at 6:15AM May 27, 2022Observed: 5.39 ft at 6:30AM May 27, 2022Observed: 5.45 ft at 6:45AM May 27, 2022Observed: 5.58 ft at 7:00AM May 27, 2022Observed: 5.61 ft at 7:15AM May 27, 2022Observed: 5.61 ft at 7:30AM May 27, 2022Observed: 5.64 ft at 7:45AM May 27, 2022Observed: 5.68 ft at 8:00AM May 27, 2022Observed: 5.7 ft at 8:15AM May 27, 2022Observed: 5.75 ft at 8:30AM May 27, 2022Observed: 5.79 ft at 8:45AM May 27, 2022Observed: 5.84 ft at 9:00AM May 27, 2022Observed: 5.94 ft at 9:15AM May 27, 2022Observed: 5.99 ft at 9:30AM May 27, 2022Observed: 6.03 ft at 9:45AM May 27, 2022Observed: 6.05 ft at 10:00AM May 27, 2022Observed: 6.11 ft at 10:15AM May 27, 2022Observed: 6.19 ft at 10:30AM May 27, 2022Observed: 6.27 ft at 10:45AM May 27, 2022Observed: 6.36 ft at 11:00AM May 27, 2022Observed: 6.44 ft at 11:15AM May 27, 2022Observed: 6.5 ft at 11:30AM May 27, 2022Observed: 6.58 ft at 11:45AM May 27, 2022Observed: 6.66 ft at 12:00PM May 27, 2022Observed: 6.67 ft at 12:15PM May 27, 2022Observed: 6.72 ft at 12:30PM May 27, 2022Observed: 6.72 ft at 12:45PM May 27, 2022Observed: 6.74 ft at 1:00PM May 27, 2022Observed: 6.73 ft at 1:15PM May 27, 2022Observed: 6.77 ft at 1:30PM May 27, 2022Observed: 6.8 ft at 1:45PM May 27, 2022Observed: 6.82 ft at 2:00PM May 27, 2022Observed: 6.87 ft at 2:15PM May 27, 2022Observed: 6.95 ft at 2:30PM May 27, 2022Observed: 6.97 ft at 2:45PM May 27, 2022NIAV2(plotting HGIRG) Graph Created (3:50PM May 27, 2022)ObservedLatest observed value: 6.97 ft at 2:45 PM EDT 27-May-2022. Flood Stage is 13 ft
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Tabular Data (UTC)
Tabular Data (EDT)
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Datum: Not Available
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NOTE: Gauge reading affected by power generation.

NOTE: Forecasts are not available for the Roanoke River at Niagara. Only observed stages are available for this point.

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Upstream Gauge - at Roanoke Upstream Gauge Downstream Gauge Downstream Gauge - at Smith Mountain Lake
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 15
Flood Stage: 13
Action Stage: 11
Low Stage (in feet): 0

Historic Crests
(1) 25.30 ft on 11/04/1985
(2) 19.12 ft on 04/27/1978
(3) 18.98 ft on 06/21/1972
(4) 18.62 ft on 09/28/2004
(5) 17.95 ft on 04/21/1992
(6) 17.50 ft on 08/14/1940
(7) 17.36 ft on 08/16/1928
(8) 17.30 ft on 10/11/2018
(9) 16.77 ft on 07/04/2013
(10) 16.71 ft on 02/22/2003
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.33 ft on 11/12/2020
(2) 10.00 ft on 10/29/2020
(3) 15.68 ft on 06/17/2020
(4) 12.51 ft on 02/07/2020
(5) 17.30 ft on 10/11/2018
(6) 13.15 ft on 09/17/2018
(7) 14.01 ft on 01/23/2017
(8) 15.67 ft on 09/30/2015
(9) 16.77 ft on 07/04/2013
(10) 15.53 ft on 01/31/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
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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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11 SUBSTANTIAL LEFT BANK FLOODING BEGINS NEAR GAGE.
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Latitude: 37.255000° N, Longitude: 79.871667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 13 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  

Current/Historical Observations:
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Blacksburg, VA 24060
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