Standardized Precipitation Index Table

Lower Valley Climate Division

Texas, Climate Division 10

Precipitation Data Table

Time Scale in Months (As of the end of Jun. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 5.12 9.99 10.95 11.42 11.53 11.99 12.64 14.45 16.89 20.54 21.48 22.57 32.48 36.54 52.77 66.29 75.84 93.02 122.65 164.76
Accumulated Precipitation Departure from Normal (in.) 2.48 4.81 4.27 3.72 2.7 1.95 1.31 1.7 1.64 0.87 -0.26 -0.93 2.33 3.01 5.73 9.25 5.29 -1.17 4.67 22.99
Accumulated Precipitation Percent of Average 194 193 164 148 131 119 112 113 111 104 99 96 108 109 112 116 107 99 104 116
Accumulated Precipitation Percentile (non-exceedance) 87.7 92.2 88.7 85.1 78.5 71.9 66 67.8 66 59.6 52.6 48.4 65 67.1 73.4 80.2 68 48.9 62.7 88.8
Standardized Precipitation Index 1.16 1.42 1.21 1.04 0.79 0.58 0.41 0.46 0.41 0.24 0.06 -0.04 0.39 0.44 0.62 0.85 0.47 -0.03 0.32 1.21