Standardized Precipitation Index Table

North Central Climate Division

Utah, Climate Division 03

Precipitation Data Table

Time Scale in Months (As of the end of Apr. 2026)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 2.09 3.05 4.3 5.36 6.51 7.21 10 10.57 11.71 11.86 11.91 13.17 18.45 21.69 26.76 37.86 45.78 67.12 81.14 91.11
Accumulated Precipitation Departure from Normal (in.) 0.33 -0.51 -0.82 -1.36 -1.74 -2.47 -1.16 -1.64 -1.46 -2.09 -2.99 -3.45 -3.3 -4.66 -6.53 -5.17 -4.21 0.43 -2.19 -8.91
Accumulated Precipitation Percent of Average 119 86 84 80 79 74 90 87 89 85 80 79 85 82 80 88 92 101 97 91
Accumulated Precipitation Percentile (non-exceedance) 70.4 37.5 31.1 24.7 21.2 13.5 34.7 28.7 32.2 24.9 16.5 15 19.4 13.2 9.9 19.2 28.2 53.7 42.2 20.2
Standardized Precipitation Index 0.54 -0.32 -0.49 -0.68 -0.8 -1.1 -0.39 -0.56 -0.46 -0.68 -0.98 -1.04 -0.86 -1.12 -1.29 -0.87 -0.58 0.09 -0.2 -0.83