| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.57 | -0.13 |
| Feb | 2.79 | 2.88 | -0.09 |
| Mar | 4.22 | 4.33 | -0.11 |
| Apr | 3.68 | 3.69 | -0.01 |
| May | 3.75 | 3.87 | -0.12 |
| Jun | 4.28 | 4.38 | -0.10 |
| Jul | 4.60 | 4.62 | -0.02 |
| Aug | 4.37 | 4.60 | -0.23 |
| Sep | 4.89 | 4.99 | -0.10 |
| Oct | 4.19 | 4.36 | -0.17 |
| Nov | 3.32 | 3.30 | 0.02 |
| Dec | 4.19 | 4.39 | -0.20 |
47.72 | 48.98 | -1.26 |