Standardized Precipitation Index Table

South Central Climate Division

North Dakota, Climate Division 08

Precipitation Data Table

Time Scale in Months (As of the end of Feb. 2024)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.34 0.55 1.14 1.23 2.65 5.74 8.95 10.81 15.89 19.31 19.89 21.23 23.16 25.3 37.85 44.13 53.76 64.36 89.3 107.81
Accumulated Precipitation Departure from Normal (in.) -0.11 -0.33 -0.19 -0.64 -0.31 1.3 2.53 1.98 3.64 4.61 3.74 4.29 4.87 3.91 3.99 5.85 3 -3.31 4.65 6.26
Accumulated Precipitation Percent of Average 76 63 86 66 90 129 139 122 130 131 123 125 127 118 112 115 106 95 105 106
Accumulated Precipitation Percentile (non-exceedance) 42.7 24.3 41.2 22.9 44.8 79.5 89 80.9 89.2 90.5 85.9 88.3 90.8 83.1 79.3 85.8 69.4 34.1 71.6 75.5
Standardized Precipitation Index -0.18 -0.7 -0.22 -0.74 -0.13 0.82 1.22 0.87 1.24 1.31 1.08 1.19 1.33 0.96 0.82 1.07 0.51 -0.41 0.57 0.69