| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.22 | 4.81 | 0.41 |
| Feb | 4.55 | 4.16 | 0.39 |
| Mar | 5.10 | 4.72 | 0.38 |
| Apr | 4.88 | 4.68 | 0.20 |
| May | 4.65 | 4.44 | 0.21 |
| Jun | 5.24 | 4.75 | 0.49 |
| Jul | 5.29 | 5.03 | 0.26 |
| Aug | 5.97 | 5.32 | 0.65 |
| Sep | 4.97 | 4.66 | 0.31 |
| Oct | 4.23 | 4.07 | 0.16 |
| Nov | 4.52 | 4.19 | 0.33 |
| Dec | 5.68 | 5.27 | 0.41 |
60.30 | 56.10 | 4.20 |