| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 4.03 | -0.42 |
| Feb | 3.57 | 3.68 | -0.11 |
| Mar | 3.76 | 3.75 | 0.01 |
| Apr | 3.18 | 3.30 | -0.12 |
| May | 3.52 | 3.64 | -0.12 |
| Jun | 5.20 | 5.00 | 0.20 |
| Jul | 5.20 | 5.27 | -0.07 |
| Aug | 5.03 | 4.97 | 0.06 |
| Sep | 4.28 | 4.40 | -0.12 |
| Oct | 3.20 | 3.39 | -0.19 |
| Nov | 2.88 | 2.95 | -0.07 |
| Dec | 3.66 | 3.81 | -0.15 |
47.09 | 48.19 | -1.10 |