| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 1.50 | -0.65 |
| Feb | 0.85 | 1.33 | -0.48 |
| Mar | 0.95 | 1.43 | -0.48 |
| Apr | 1.17 | 1.74 | -0.57 |
| May | 1.32 | 1.80 | -0.48 |
| Jun | 0.71 | 0.93 | -0.22 |
| Jul | 0.88 | 1.03 | -0.15 |
| Aug | 1.05 | 1.15 | -0.10 |
| Sep | 1.42 | 1.84 | -0.42 |
| Oct | 1.23 | 1.75 | -0.52 |
| Nov | 0.83 | 1.36 | -0.53 |
| Dec | 0.93 | 1.27 | -0.34 |
12.19 | 17.13 | -4.94 |