| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.14 | 0.03 |
| Feb | 3.68 | 3.80 | -0.12 |
| Mar | 4.25 | 4.35 | -0.10 |
| Apr | 3.12 | 3.25 | -0.13 |
| May | 3.34 | 3.22 | 0.12 |
| Jun | 4.83 | 4.99 | -0.16 |
| Jul | 4.86 | 4.68 | 0.18 |
| Aug | 4.83 | 4.88 | -0.05 |
| Sep | 3.90 | 3.98 | -0.08 |
| Oct | 2.85 | 2.84 | 0.01 |
| Nov | 3.01 | 3.14 | -0.13 |
| Dec | 4.22 | 4.21 | 0.01 |
47.06 | 47.48 | -0.42 |