Standardized Precipitation Index Table

Northeastern (S) Climate Division

Nevada, Climate Division 02

Precipitation Data Table

Time Scale in Months (As of the end of Jul. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.2 1.17 2.27 2.88 4.04 4.47 5.68 7.28 8.08 8.29 9.74 10.05 14.59 21.52 26.66 33.26 38.31 54.77 70.1 83.71
Accumulated Precipitation Departure from Normal (in.) -0.41 -0.36 -0.72 -1.45 -1.6 -2.37 -2.48 -2.12 -2.43 -3.22 -2.46 -2.77 -1.23 1.84 0.99 0.77 -0.19 3.45 6 6.85
Accumulated Precipitation Percent of Average 33 77 76 67 72 65 70 77 77 72 80 78 92 109 104 102 100 107 109 109
Accumulated Precipitation Percentile (non-exceedance) 14.9 41.1 32.5 18 17.5 7.7 10.3 17.3 14.5 8.2 15.3 12.5 34.6 73.9 62.4 58.9 50 75 84.8 85.8
Standardized Precipitation Index -1.04 -0.22 -0.45 -0.91 -0.94 -1.43 -1.27 -0.94 -1.06 -1.39 -1.03 -1.15 -0.4 0.64 0.31 0.22 0 0.67 1.03 1.07