| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 4.00 | -0.04 |
| Feb | 2.97 | 3.10 | -0.13 |
| Mar | 3.58 | 3.66 | -0.08 |
| Apr | 4.06 | 4.10 | -0.04 |
| May | 5.08 | 5.29 | -0.21 |
| Jun | 5.49 | 5.54 | -0.05 |
| Jul | 4.08 | 4.29 | -0.21 |
| Aug | 4.82 | 5.22 | -0.40 |
| Sep | 4.91 | 5.28 | -0.37 |
| Oct | 4.96 | 4.84 | 0.12 |
| Nov | 4.32 | 4.45 | -0.13 |
| Dec | 3.99 | 4.10 | -0.11 |
52.22 | 53.87 | -1.65 |