| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.58 | -0.19 |
| Feb | 2.86 | 2.84 | 0.02 |
| Mar | 4.01 | 3.81 | 0.20 |
| Apr | 3.43 | 3.53 | -0.10 |
| May | 3.70 | 3.79 | -0.09 |
| Jun | 4.26 | 4.30 | -0.04 |
| Jul | 5.32 | 4.93 | 0.39 |
| Aug | 5.08 | 5.60 | -0.52 |
| Sep | 5.12 | 5.03 | 0.09 |
| Oct | 3.88 | 4.48 | -0.60 |
| Nov | 3.14 | 3.34 | -0.20 |
| Dec | 3.40 | 3.49 | -0.09 |
47.59 | 48.72 | -1.13 |