| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.61 | 5.24 | 0.37 |
| Feb | 4.57 | 4.29 | 0.28 |
| Mar | 5.30 | 4.99 | 0.31 |
| Apr | 5.47 | 5.13 | 0.34 |
| May | 5.05 | 4.84 | 0.21 |
| Jun | 5.42 | 5.05 | 0.37 |
| Jul | 5.22 | 5.47 | -0.25 |
| Aug | 5.86 | 5.74 | 0.12 |
| Sep | 5.32 | 4.93 | 0.39 |
| Oct | 5.49 | 4.30 | 1.19 |
| Nov | 5.08 | 4.53 | 0.55 |
| Dec | 5.68 | 5.39 | 0.29 |
64.07 | 59.90 | 4.17 |