Standardized Precipitation Index Table

North Central Climate Division

North Dakota, Climate Division 02

Precipitation Data Table

Time Scale in Months (As of the end of Jan. 2026)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.22 0.77 0.96 3.58 5.27 7.41 10.74 12.22 14.96 16.12 16.37 16.45 18.09 23.07 36.73 42.37 50.6 66.65 82.03 93.16
Accumulated Precipitation Departure from Normal (in.) -0.27 -0.25 -0.66 0.89 0.96 0.88 1.65 -0.22 0.29 0.28 -0.15 -0.51 -0.5 -0.42 2.81 1.97 -0.22 -1.11 -2.69 -8.52
Accumulated Precipitation Percent of Average 45 76 59 133 122 113 118 98 102 102 99 97 97 98 108 105 100 98 97 92
Accumulated Precipitation Percentile (non-exceedance) 20.3 33.9 18.5 79 73.7 69.4 77.5 50 56.4 56.1 51 46.6 46.4 47.7 73.9 66.8 49.9 44.6 36.9 15.5
Standardized Precipitation Index -0.83 -0.41 -0.9 0.81 0.64 0.51 0.76 0 0.16 0.15 0.02 -0.08 -0.09 -0.06 0.64 0.43 0 -0.14 -0.33 -1.02