| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.60 | -0.18 |
| Feb | 2.86 | 2.84 | 0.02 |
| Mar | 4.02 | 3.84 | 0.18 |
| Apr | 3.42 | 3.55 | -0.13 |
| May | 3.72 | 3.83 | -0.11 |
| Jun | 4.32 | 4.37 | -0.05 |
| Jul | 5.38 | 4.95 | 0.43 |
| Aug | 5.12 | 5.60 | -0.48 |
| Sep | 5.17 | 5.16 | 0.01 |
| Oct | 3.89 | 4.48 | -0.59 |
| Nov | 3.17 | 3.39 | -0.22 |
| Dec | 3.39 | 3.51 | -0.12 |
47.88 | 49.12 | -1.24 |