| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.57 | -0.13 |
| Feb | 2.88 | 2.86 | 0.02 |
| Mar | 4.05 | 3.85 | 0.20 |
| Apr | 3.50 | 3.58 | -0.08 |
| May | 3.72 | 3.76 | -0.04 |
| Jun | 4.33 | 4.24 | 0.09 |
| Jul | 5.34 | 5.01 | 0.33 |
| Aug | 5.10 | 5.48 | -0.38 |
| Sep | 5.12 | 4.94 | 0.18 |
| Oct | 3.87 | 4.42 | -0.55 |
| Nov | 3.12 | 3.20 | -0.08 |
| Dec | 3.49 | 3.49 | 0.00 |
47.96 | 48.40 | -0.44 |