Results
| Country: | U.S.A.
| | Station: | HALFWAY WASH NR RIVERSIDE NV | | River: | VIRGIN R | | Area: | 15487.28 | | Lat: | 36.67 | | Lon: | -114.29 | | Source: | USGS | | PointID: | 9415230 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1977 | | Ending Year: | 1985 | | Total Years: | 9 | | Total Usable Years: | 6 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1977 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 1.58 | 2.3 | 3.06 | -9999 |
| 1978 | 6.93 | 11.26 | 31.22 | 16.27 | 11.47 | 1.17 | 0.02 | 0 | 0.18 | -9999 | -9999 | -9999 | -9999 |
| 1979 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 1.42 | 5.22 | 5.44 | -9999 |
| 1980 | 18.06 | 50.96 | 18.48 | 27.62 | 36.41 | 10.49 | 2.24 | 2.46 | 6.75 | 4.83 | 7.95 | 8.4 | 16.22 |
| 1981 | 8.24 | 6.61 | 8.41 | 14.36 | 6.33 | 0.59 | 0.97 | 2.22 | 2.09 | 5.53 | 5.8 | 5.35 | 5.54 |
| 1982 | 6.42 | 7.71 | 10.96 | 10.23 | 8.92 | 0.86 | 1.14 | 4.86 | 4.19 | 6.06 | 8.03 | 13.88 | 6.94 |
| 1983 | 8.57 | 10.55 | 32.67 | 21.48 | 47.74 | 27.09 | 5.75 | 9.29 | 5.1 | -9999 | -9999 | -9999 | -9999 |
| 1984 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 5.15 | 6.36 | 7.98 | -9999 |
| 1985 | 8.38 | 8.2 | 10.7 | 18.53 | 10.18 | 0.88 | 0.9 | 0.38 | 0.8 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 9.43 | 15.88 | 18.74 | 18.08 | 20.18 | 6.85 | 1.84 | 3.2 | 3.19 | 4.1 | 5.94 | 7.35 | 9.57 |
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| Std Dev | 3.94 |
15.77 |
9.85 |
5.5 |
15.9 |
9.71 |
1.87 |
3.15 |
2.36 |
1.87 |
1.93 |
3.42 |
4.74 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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