| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.63 | 0.09 |
| Feb | 1.72 | 1.60 | 0.12 |
| Mar | 1.95 | 2.14 | -0.19 |
| Apr | 2.00 | 1.91 | 0.09 |
| May | 1.76 | 1.65 | 0.11 |
| Jun | 0.90 | 0.85 | 0.05 |
| Jul | 1.97 | 1.84 | 0.13 |
| Aug | 2.18 | 1.99 | 0.19 |
| Sep | 2.07 | 2.16 | -0.09 |
| Oct | 1.86 | 1.84 | 0.02 |
| Nov | 1.71 | 1.64 | 0.07 |
| Dec | 1.72 | 1.52 | 0.20 |
21.56 | 20.77 | 0.79 |