Standardized Precipitation Index Table

Southeastern Plains Climate Division

New Mexico, Climate Division 07

Precipitation Data Table

Time Scale in Months (As of the end of Sep. 2020)
1 2 3 4 5 6 7 8 9 10 11 12 15 18 24 30 36 48 60 72
Accumulated Precipitation (in.) 0.34 1.09 2.35 2.82 2.94 3.11 4.88 5.4 5.83 6.02 7.16 9.69 14.48 17.28 22.4 30.51 33.04 48.69 64.91 81.61
Accumulated Precipitation Departure from Normal (in.) -1.72 -3.22 -4.27 -5.41 -6.69 -7.22 -5.95 -5.87 -5.85 -6.15 -5.57 -4.35 -6.21 -7.14 -5.74 -8.04 -9.14 -7.53 -5.33 -2.58
Accumulated Precipitation Percent of Average 16 25 35 34 31 30 45 48 50 49 56 69 70 71 80 79 78 87 92 97
Accumulated Precipitation Percentile (non-exceedance) 5.2 1 1 0.4 0.1 0.1 1.5 2.1 2.7 2.1 4.7 12.9 7.6 8.1 16.9 11.8 10.2 19.6 30.1 41.8
Standardized Precipitation Index -1.63 -2.34 -2.32 -2.64 -2.98 -3.01 -2.16 -2.04 -1.93 -2.03 -1.67 -1.13 -1.43 -1.4 -0.96 -1.18 -1.27 -0.86 -0.52 -0.21