| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.34 | -0.21 |
| Feb | 2.64 | 2.71 | -0.07 |
| Mar | 4.12 | 4.36 | -0.24 |
| Apr | 3.38 | 3.62 | -0.24 |
| May | 3.83 | 4.10 | -0.27 |
| Jun | 4.19 | 4.36 | -0.17 |
| Jul | 4.56 | 4.71 | -0.15 |
| Aug | 4.25 | 4.38 | -0.13 |
| Sep | 4.56 | 4.68 | -0.12 |
| Oct | 3.78 | 4.48 | -0.70 |
| Nov | 3.24 | 3.36 | -0.12 |
| Dec | 3.88 | 4.18 | -0.30 |
45.56 | 48.28 | -2.72 |