| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.35 | -0.12 |
| Feb | 2.86 | 3.18 | -0.32 |
| Mar | 3.39 | 3.52 | -0.13 |
| Apr | 3.89 | 4.16 | -0.27 |
| May | 5.13 | 5.19 | -0.06 |
| Jun | 5.39 | 5.82 | -0.43 |
| Jul | 4.30 | 4.54 | -0.24 |
| Aug | 5.18 | 5.47 | -0.29 |
| Sep | 5.71 | 5.88 | -0.17 |
| Oct | 5.12 | 5.33 | -0.21 |
| Nov | 4.15 | 4.62 | -0.47 |
| Dec | 4.25 | 4.36 | -0.11 |
53.60 | 56.42 | -2.82 |