Standardized Precipitation Index Table

Southeastern Climate Division

Vermont, 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.) 7.1 7.79 13.19 19.34 21.91 26.45 30.21 35.95 46.11 53.17 56.53 60.57 71.2 82.93 107.24 129.2 161.08 202.76 252.45 305.18
Accumulated Precipitation Departure from Normal (in.) 3.56 1.26 3.35 5.79 4.52 5.26 5.16 6.99 12.86 15.91 15.43 15.73 16.54 16.94 17.69 18.44 26.76 23.82 28.9 37.02
Accumulated Precipitation Percent of Average 200 119 134 143 126 125 121 124 139 143 138 135 130 126 120 117 120 113 113 114
Accumulated Precipitation Percentile (non-exceedance) 96.9 76 92 98 91.8 90.9 89.7 94 99.3 99.7 99.4 99.2 99.1 97.6 96 93.9 97.4 92.3 92.5 94.5
Standardized Precipitation Index 1.86 0.71 1.4 2.05 1.39 1.34 1.27 1.55 2.44 2.72 2.52 2.4 2.36 1.98 1.75 1.55 1.94 1.42 1.44 1.6