Standardized Precipitation Index Table

North Central Climate Division

Minnesota, Climate Division 02

Precipitation Data Table

Time Scale in Months (As of the end of Sep. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 1.4 6.2 10.92 14.81 15.99 17 17.44 17.61 18.59 20.23 21.09 25.73 37.88 46.03 54.87 71.68 77.13 101.46 132.01 155.24
Accumulated Precipitation Departure from Normal (in.) -1.4 -0.02 1.06 0.89 -0.79 -1.55 -2.17 -2.64 -2.43 -1.6 -1.96 0.61 2.91 2.35 4.64 2.9 1.88 1.16 6.71 4.99
Accumulated Precipitation Percent of Average 50 100 111 106 95 92 89 87 88 93 91 102 108 105 109 104 103 101 105 103
Accumulated Precipitation Percentile (non-exceedance) 12.6 53.9 68.4 64.1 43.4 34.8 28.1 22.9 25.3 34 30.5 58.3 75.3 68.6 81.1 68.1 62 56.6 75.8 68.1
Standardized Precipitation Index -1.14 0.1 0.48 0.36 -0.17 -0.39 -0.58 -0.74 -0.66 -0.41 -0.51 0.21 0.68 0.48 0.88 0.47 0.31 0.17 0.7 0.47