Standardized Precipitation Index Table

Southeast (S) Climate Division

Utah, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of Nov. 2019)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 1.02 1.09 1.27 1.45 1.89 2.14 4.01 4.76 6.77 8.74 9.7 10.33 13.77 15.45 18.19 21.84 26.5 36.35 50.72 59.15
Accumulated Precipitation Departure from Normal (in.) 0.31 -0.7 -1.55 -2.52 -3.01 -3.19 -2 -1.96 -0.76 0.47 0.65 0.53 1.14 0.29 -1.42 -3.13 -2.92 -2.91 1.6 0.19
Accumulated Precipitation Percent of Average 144 61 45 36 39 40 67 71 90 106 107 105 109 102 93 87 90 93 103 100
Accumulated Precipitation Percentile (non-exceedance) 77.8 30.8 9.6 1.5 0.9 0.9 10.1 13 37.9 62.1 64.3 61.8 67.7 56.4 36.2 22.3 26.4 29.5 62.2 52.6
Standardized Precipitation Index 0.76 -0.5 -1.3 -2.18 -2.37 -2.36 -1.28 -1.12 -0.31 0.31 0.37 0.3 0.46 0.16 -0.35 -0.76 -0.63 -0.54 0.31 0.07