Standardized Precipitation Index Table

North Central Climate Division

Arkansas, 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.) 4.9 6.76 13.27 15.89 17.24 22.99 26.35 31.17 36.46 39.47 42.97 46.2 65.13 76.8 102.28 126.86 153.96 204.19 268.7 324.78
Accumulated Precipitation Departure from Normal (in.) 0.38 -0.96 2.14 1.01 -1.66 0.57 0.27 1.44 3.04 2.03 0.27 -1.26 6.56 6.91 7.34 9.57 11.62 14.45 31.62 40.45
Accumulated Precipitation Percent of Average 108 88 119 107 91 103 101 105 109 105 101 97 111 110 108 108 108 108 113 114
Accumulated Precipitation Percentile (non-exceedance) 62.9 42.6 73.8 63.1 39.7 57.4 54.8 61.5 69.7 63.9 53.8 45.7 77.4 76.7 74.6 77.7 79.4 80.8 94.9 97.2
Standardized Precipitation Index 0.33 -0.19 0.64 0.33 -0.26 0.19 0.12 0.29 0.52 0.35 0.09 -0.11 0.75 0.73 0.66 0.76 0.82 0.87 1.64 1.92