Standardized Precipitation Index Table

Western Climate Division

Vermont, Climate Division 02

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.) 5.64 6.4 10.36 16.07 18.41 23.65 26.52 32.72 41.89 47.02 49.42 52.88 62.05 72.42 96.35 116.35 140.49 175.84 224.94 270.32
Accumulated Precipitation Departure from Normal (in.) 2.7 1.05 2.28 4.87 3.7 5.32 4.39 6.54 11.46 12.51 11.29 11.53 12.63 12.78 13.74 15.4 16.58 10.74 18.6 22.78
Accumulated Precipitation Percent of Average 192 120 128 144 125 129 120 125 138 136 130 128 126 121 117 115 113 107 109 109
Accumulated Precipitation Percentile (non-exceedance) 97.4 77.5 88.9 97.8 90.2 93.7 88.4 94.8 99.3 99.4 98.3 97.9 98 96 94.1 93.2 91.7 77.1 85.2 86.4
Standardized Precipitation Index 1.95 0.75 1.22 2.02 1.29 1.53 1.19 1.62 2.46 2.49 2.13 2.02 2.06 1.75 1.56 1.49 1.39 0.74 1.05 1.1