| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.44 | -0.09 |
| Feb | 2.65 | 2.78 | -0.13 |
| Mar | 3.72 | 3.86 | -0.14 |
| Apr | 3.79 | 3.84 | -0.05 |
| May | 3.90 | 3.99 | -0.09 |
| Jun | 4.59 | 4.69 | -0.10 |
| Jul | 4.61 | 4.52 | 0.09 |
| Aug | 4.50 | 4.73 | -0.23 |
| Sep | 4.48 | 4.53 | -0.05 |
| Oct | 4.38 | 4.69 | -0.31 |
| Nov | 3.27 | 3.21 | 0.06 |
| Dec | 3.94 | 4.20 | -0.26 |
47.18 | 48.48 | -1.30 |