Standardized Precipitation Index Table

Northeast Climate Division

South Dakota, Climate Division 03

Precipitation Data Table

Time Scale in Months (As of the end of Mar. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.54 0.76 0.93 3.01 3.24 5.26 7.83 13.45 15.01 18.41 20.07 22.32 25.17 28.4 44.75 52.79 68.87 86.52 115.86 138.55
Accumulated Precipitation Departure from Normal (in.) -0.52 -0.9 -1.29 0.21 -0.31 0.14 0.71 3.7 2.28 2 0.78 0.93 1.56 1.9 2 5.01 4.83 1.22 9.22 10.67
Accumulated Precipitation Percent of Average 51 46 42 108 91 103 110 138 118 112 104 104 107 107 105 110 108 101 109 108
Accumulated Precipitation Percentile (non-exceedance) 24 10.4 5 62.7 44 57.6 66.1 91.7 79.3 74.7 60.8 61.6 66.5 67.8 64.9 79.5 74.6 56.6 80.4 80.8
Standardized Precipitation Index -0.71 -1.26 -1.64 0.32 -0.15 0.19 0.41 1.38 0.82 0.66 0.27 0.29 0.42 0.46 0.38 0.82 0.66 0.17 0.86 0.87