| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.38 | 0.19 |
| Feb | 2.57 | 2.69 | -0.12 |
| Mar | 3.04 | 3.12 | -0.08 |
| Apr | 3.62 | 3.69 | -0.07 |
| May | 4.36 | 4.46 | -0.10 |
| Jun | 4.88 | 4.85 | 0.03 |
| Jul | 3.73 | 3.94 | -0.21 |
| Aug | 4.09 | 4.25 | -0.16 |
| Sep | 4.66 | 4.70 | -0.04 |
| Oct | 4.40 | 4.41 | -0.01 |
| Nov | 4.11 | 4.27 | -0.16 |
| Dec | 3.40 | 3.41 | -0.01 |
46.43 | 47.17 | -0.74 |