| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.43 | -0.07 |
| Feb | 2.82 | 2.75 | 0.07 |
| Mar | 3.78 | 4.06 | -0.28 |
| Apr | 3.38 | 3.49 | -0.11 |
| May | 4.20 | 4.25 | -0.05 |
| Jun | 4.02 | 3.75 | 0.27 |
| Jul | 4.40 | 4.15 | 0.25 |
| Aug | 3.88 | 4.09 | -0.21 |
| Sep | 4.52 | 4.42 | 0.10 |
| Oct | 3.70 | 3.77 | -0.07 |
| Nov | 3.40 | 3.53 | -0.13 |
| Dec | 3.65 | 3.80 | -0.15 |
45.11 | 45.49 | -0.38 |