Standardized Precipitation Index Table

Northwest Climate Division

Minnesota, Climate Division 01

Precipitation Data Table

Time Scale in Months (As of the end of Jul. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 2.58 7.23 12.41 14.22 14.6 15.2 15.6 16.9 17.2 19.44 21.66 23.34 29.68 32.89 40.51 55.94 68.25 81.2 110.6 134.2
Accumulated Precipitation Departure from Normal (in.) -0.7 0.21 2.71 2.93 2.44 2.48 2.24 2.83 2.23 2.82 2.66 1.36 -1.98 -1.79 -3.42 -0.72 2.37 -6.62 0.78 2.38
Accumulated Precipitation Percent of Average 79 103 128 126 120 119 117 120 115 117 114 106 94 95 92 99 104 92 101 102
Accumulated Precipitation Percentile (non-exceedance) 33.6 58 85.1 85.3 81.4 81.5 79.3 84.1 78.8 81.4 77.8 66.5 33.3 35.4 25.1 46.3 65.7 19.6 54.5 60
Standardized Precipitation Index -0.42 0.2 1.04 1.05 0.89 0.9 0.82 1 0.8 0.89 0.77 0.43 -0.43 -0.38 -0.67 -0.09 0.4 -0.86 0.11 0.25