Standardized Precipitation Index Table

KS Drainage Basin Climate Division

Colorado, Climate Division 03

Precipitation Data Table

Time Scale in Months (As of the end of Feb. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.98 1.19 1.87 2.02 2.49 3.06 5.15 7.89 12.6 17.32 17.83 18.39 20.77 22.2 31.56 33.75 47.23 58.13 74.29 91.6
Accumulated Precipitation Departure from Normal (in.) 0.56 0.42 0.7 0.32 -0.15 -0.82 -0.99 -1.01 1.04 3.01 1.83 1.47 2.67 1.37 -2.29 -4.02 -3.59 -9.67 -10.52 -10.26
Accumulated Precipitation Percent of Average 233 155 160 119 94 79 84 89 109 121 111 109 115 107 93 89 93 86 88 90
Accumulated Precipitation Percentile (non-exceedance) 93.1 85 89 72.2 50.3 30.2 31.4 35.2 67.5 83.5 72.6 68.7 79.1 66.6 32.6 21 27.5 7 7.7 10
Standardized Precipitation Index 1.49 1.04 1.23 0.59 0.01 -0.52 -0.49 -0.38 0.45 0.97 0.6 0.49 0.81 0.43 -0.45 -0.81 -0.6 -1.47 -1.42 -1.28