Standardized Precipitation Index Table

Northern Mountains Climate Division

Utah, Climate Division 05

Precipitation Data Table

Time Scale in Months (As of the end of Mar. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 3.05 7.08 10.04 11.7 13.21 15.05 16.92 19.53 20.3 21.92 23.21 25.26 37.32 44.72 54.8 67.39 76.71 91.04 115.26 139.66
Accumulated Precipitation Departure from Normal (in.) 0.54 2.25 2.8 2.17 1.59 1.45 1.74 2.9 2.48 2.84 2.1 1.84 6.68 7.66 7.92 6.95 6.46 -2.63 -1.85 -0.94
Accumulated Precipitation Percent of Average 122 147 139 123 114 111 111 117 114 115 110 108 122 121 117 112 109 97 98 99
Accumulated Precipitation Percentile (non-exceedance) 72.4 89.8 87.4 79.8 72.5 69.5 71.4 79.9 76.5 78.5 71.4 68.5 91.4 91.1 89.9 83.6 79.6 40 44.1 47.8
Standardized Precipitation Index 0.59 1.27 1.14 0.84 0.6 0.51 0.57 0.84 0.72 0.79 0.57 0.48 1.37 1.35 1.27 0.98 0.83 -0.25 -0.15 -0.06