| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.62 | -0.27 |
| Feb | 2.82 | 2.85 | -0.03 |
| Mar | 3.94 | 3.85 | 0.09 |
| Apr | 3.38 | 3.57 | -0.19 |
| May | 3.70 | 3.82 | -0.12 |
| Jun | 4.23 | 4.38 | -0.15 |
| Jul | 5.30 | 4.98 | 0.32 |
| Aug | 5.03 | 5.59 | -0.56 |
| Sep | 5.05 | 5.09 | -0.04 |
| Oct | 3.88 | 4.43 | -0.55 |
| Nov | 3.14 | 3.40 | -0.26 |
| Dec | 3.31 | 3.52 | -0.21 |
47.13 | 49.10 | -1.97 |