| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.60 | -0.09 |
| Feb | 2.93 | 3.04 | -0.11 |
| Mar | 4.09 | 4.04 | 0.05 |
| Apr | 3.52 | 3.64 | -0.12 |
| May | 3.77 | 3.90 | -0.13 |
| Jun | 4.36 | 4.18 | 0.18 |
| Jul | 5.15 | 5.54 | -0.39 |
| Aug | 4.88 | 5.40 | -0.52 |
| Sep | 4.67 | 5.05 | -0.38 |
| Oct | 4.07 | 4.56 | -0.49 |
| Nov | 3.08 | 3.16 | -0.08 |
| Dec | 3.69 | 3.74 | -0.05 |
47.72 | 49.85 | -2.13 |