Standardized Precipitation Index Table

Northwestern Climate Division

Nevada, Climate Division 01

Precipitation Data Table

Time Scale in Months (As of the end of Jun. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.83 1.63 2.04 2.86 2.98 3.96 5.82 6.35 6.53 7.49 7.62 7.74 11.1 17.33 20.72 27.31 30.21 45.18 57.26 67.93
Accumulated Precipitation Departure from Normal (in.) 0.07 -0.11 -0.56 -0.8 -1.8 -2.15 -1.54 -2.03 -2.59 -2.08 -2.22 -2.38 -1.63 1.08 0.46 0.95 -0.16 4.68 6.66 7.24
Accumulated Precipitation Percent of Average 110 94 78 78 62 65 79 76 72 78 77 76 87 107 102 104 99 112 113 112
Accumulated Precipitation Percentile (non-exceedance) 66 53.3 35.1 30.5 10.4 11.8 26.2 20.3 13.9 20.3 18.4 16.8 28.6 65.7 57.4 60.9 50.7 81.3 86.9 86.7
Standardized Precipitation Index 0.41 0.08 -0.38 -0.51 -1.26 -1.19 -0.64 -0.83 -1.08 -0.83 -0.9 -0.96 -0.56 0.4 0.19 0.28 0.02 0.89 1.12 1.11