| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.69 | -0.18 |
| Feb | 3.23 | 3.21 | 0.02 |
| Mar | 3.57 | 3.72 | -0.15 |
| Apr | 3.02 | 3.15 | -0.13 |
| May | 3.38 | 3.37 | 0.01 |
| Jun | 4.05 | 4.15 | -0.10 |
| Jul | 4.36 | 4.48 | -0.12 |
| Aug | 4.72 | 4.79 | -0.07 |
| Sep | 4.05 | 4.20 | -0.15 |
| Oct | 3.23 | 3.33 | -0.10 |
| Nov | 2.97 | 3.02 | -0.05 |
| Dec | 3.68 | 3.79 | -0.11 |
43.77 | 44.90 | -1.13 |