Standardized Precipitation Index Table

Low Rolling Plains Climate Division

Texas, 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.) 1.13 2.16 3.71 6.29 6.5 10.26 12.82 13.28 15.71 18.31 23.67 24.8 27.09 32.14 42.3 45.81 63.77 81.58 109.57 137.38
Accumulated Precipitation Departure from Normal (in.) -0.1 -0.04 0.71 2.34 1.37 2.81 2.67 0.94 1.2 0.78 2.71 1.82 1.11 1.74 -3.64 -7.58 -5.2 -10.47 -5.62 -0.89
Accumulated Precipitation Percent of Average 92 98 124 159 127 138 126 108 108 104 113 108 104 106 92 86 92 89 95 99
Accumulated Precipitation Percentile (non-exceedance) 56.4 56.8 71.7 87.2 74.6 82.2 79.9 63.6 65 60.1 72.9 66 60.6 63.4 32.7 18 28.9 13.9 29.8 47.8
Standardized Precipitation Index 0.16 0.17 0.58 1.14 0.66 0.92 0.84 0.35 0.38 0.26 0.61 0.41 0.27 0.34 -0.45 -0.92 -0.56 -1.08 -0.53 -0.06