| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.35 | 5.30 | 0.05 |
| Feb | 5.33 | 5.24 | 0.09 |
| Mar | 5.39 | 5.31 | 0.08 |
| Apr | 5.27 | 5.09 | 0.18 |
| May | 4.66 | 4.57 | 0.09 |
| Jun | 4.38 | 4.43 | -0.05 |
| Jul | 5.07 | 4.71 | 0.36 |
| Aug | 3.78 | 3.94 | -0.16 |
| Sep | 3.72 | 3.89 | -0.17 |
| Oct | 3.71 | 3.52 | 0.19 |
| Nov | 4.42 | 4.39 | 0.03 |
| Dec | 6.03 | 6.05 | -0.02 |
57.11 | 56.44 | 0.67 |