Standardized Precipitation Index Table

Central Lakes Climate Division

New York, Climate Division 10

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.) 0.62 4.6 8.96 10.75 13.67 15.71 19.54 24.53 28.96 31.14 34.9 37.94 46.16 55.87 74.64 96.19 120.17 153.37 194.85 237.07
Accumulated Precipitation Departure from Normal (in.) -1.44 0.28 2.05 0.99 0.68 -0.59 -0.12 1.25 2.03 0.93 1.74 2.21 3.5 3.8 3.15 8.35 12.91 10.39 16.14 22.63
Accumulated Precipitation Percent of Average 30 106 130 110 105 96 99 105 108 103 105 106 108 107 104 110 112 107 109 111
Accumulated Precipitation Percentile (non-exceedance) 0.8 62.7 90.4 71.6 63.1 44.2 50.7 65.2 70.8 60.5 66.8 70.6 77.6 75.1 68.9 84.6 91.4 81.6 87.6 91.9
Standardized Precipitation Index -2.39 0.32 1.31 0.57 0.33 -0.15 0.02 0.39 0.55 0.27 0.43 0.54 0.76 0.68 0.49 1.02 1.36 0.9 1.15 1.4