| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.07 | -0.10 |
| Feb | 2.17 | 2.33 | -0.16 |
| Mar | 3.44 | 3.64 | -0.20 |
| Apr | 3.38 | 3.44 | -0.06 |
| May | 4.30 | 4.12 | 0.18 |
| Jun | 4.55 | 4.51 | 0.04 |
| Jul | 3.94 | 3.41 | 0.53 |
| Aug | 3.64 | 3.48 | 0.16 |
| Sep | 4.66 | 4.82 | -0.16 |
| Oct | 3.35 | 3.24 | 0.11 |
| Nov | 3.01 | 3.10 | -0.09 |
| Dec | 3.07 | 3.17 | -0.10 |
42.48 | 42.33 | 0.15 |