| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.53 | -0.11 |
| Feb | 2.84 | 2.89 | -0.05 |
| Mar | 4.14 | 4.25 | -0.11 |
| Apr | 3.69 | 3.68 | 0.01 |
| May | 3.87 | 3.91 | -0.04 |
| Jun | 4.33 | 4.23 | 0.10 |
| Jul | 4.73 | 4.66 | 0.07 |
| Aug | 4.49 | 4.79 | -0.30 |
| Sep | 4.64 | 4.48 | 0.16 |
| Oct | 4.05 | 4.08 | -0.03 |
| Nov | 3.31 | 3.24 | 0.07 |
| Dec | 4.26 | 4.41 | -0.15 |
47.77 | 48.15 | -0.38 |