Standardized Precipitation Index Table

East Central Climate Division

North Dakota, Climate Division 06

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.) 0.28 0.84 0.98 2.73 2.87 4.43 6.56 8.61 9.94 14 16.72 18.33 20.39 23.32 41.48 49.23 60.45 78.49 106.05 128.46
Accumulated Precipitation Departure from Normal (in.) -0.54 -0.47 -0.83 0.32 -0.24 -0.13 -0.08 -0.6 -2.26 -1.78 -1.73 -1.74 -1.49 -1.32 1.32 4.55 0.27 -1.73 5.76 8.13
Accumulated Precipitation Percent of Average 34 64 54 113 92 97 99 94 81 89 91 91 93 95 103 110 100 98 106 107
Accumulated Precipitation Percentile (non-exceedance) 15.3 27.6 12.8 68.1 44.9 51.3 53 43.5 22.5 30.1 33.1 33.7 36.3 39.7 61.8 80.4 53.1 42 75.1 79.9
Standardized Precipitation Index -1.02 -0.59 -1.13 0.47 -0.13 0.03 0.07 -0.16 -0.76 -0.52 -0.44 -0.42 -0.35 -0.26 0.3 0.86 0.08 -0.2 0.68 0.84