Standardized Precipitation Index Table

Northern Mountains (S) Climate Division

North Carolina, 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.) 4.96 7.2 14.84 22 23.71 24.57 27.7 33.97 38.99 45.27 49.16 55.14 65.92 79.12 108.03 127.71 152.63 225.09 285.01 361.58
Accumulated Precipitation Departure from Normal (in.) 0.4 -1.05 2.8 6.1 4.44 1.54 0.48 1.65 1.48 3.2 2.65 4.57 3.33 5.47 6.85 3.49 0.9 22.68 32.23 58.46
Accumulated Precipitation Percent of Average 109 87 123 138 123 107 102 105 104 108 106 109 105 107 107 103 101 111 113 119
Accumulated Precipitation Percentile (non-exceedance) 63.3 37.6 82 93.7 85.7 64.9 56.1 62.7 61.3 69.6 65.9 73.6 66.9 73.8 74.7 62.8 53.9 92.3 96.5 99.9
Standardized Precipitation Index 0.34 -0.32 0.92 1.53 1.07 0.38 0.15 0.32 0.29 0.51 0.41 0.63 0.44 0.64 0.66 0.33 0.1 1.43 1.81 2.97