Standardized Precipitation Index Table

Southern Coastal Plain Climate Division

North Carolina, Climate Division 06

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.) 4.69 6.43 9.38 16.19 19.06 20.2 23.39 31.31 37.37 42.41 45.41 50.9 60.59 66.62 92.34 106.7 133.56 200.25 252.66 323.54
Accumulated Precipitation Departure from Normal (in.) 0.89 -1.01 -1.55 1.89 1.91 0.04 -1.76 0.39 0.03 0.12 -0.77 1.5 0.25 -2.95 -6.45 -12.31 -14.7 2.36 5.34 26.83
Accumulated Precipitation Percent of Average 123 86 86 113 111 100 93 101 100 100 98 103 100 96 93 90 90 101 102 109
Accumulated Precipitation Percentile (non-exceedance) 75.1 36.4 31.7 73.2 70.5 53.3 39.9 55.1 52.2 52.7 47 60.6 53 37.2 25.5 12.5 10 57.8 64.2 94.1
Standardized Precipitation Index 0.68 -0.35 -0.48 0.62 0.54 0.08 -0.26 0.13 0.06 0.07 -0.08 0.27 0.07 -0.33 -0.66 -1.15 -1.28 0.2 0.36 1.57