| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 2.74 | 0.28 |
| Feb | 2.48 | 2.35 | 0.13 |
| Mar | 3.50 | 3.33 | 0.17 |
| Apr | 3.79 | 3.50 | 0.29 |
| May | 4.15 | 3.69 | 0.46 |
| Jun | 4.17 | 3.94 | 0.23 |
| Jul | 4.16 | 3.82 | 0.34 |
| Aug | 3.91 | 3.82 | 0.09 |
| Sep | 4.39 | 3.97 | 0.42 |
| Oct | 3.77 | 3.45 | 0.32 |
| Nov | 3.27 | 2.90 | 0.37 |
| Dec | 3.41 | 3.11 | 0.30 |
44.02 | 40.62 | 3.40 |