| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.67 | -0.19 |
| Feb | 2.07 | 2.29 | -0.22 |
| Mar | 2.69 | 2.85 | -0.16 |
| Apr | 3.72 | 3.88 | -0.16 |
| May | 3.70 | 3.86 | -0.16 |
| Jun | 4.00 | 4.17 | -0.17 |
| Jul | 3.71 | 4.04 | -0.33 |
| Aug | 3.41 | 3.53 | -0.12 |
| Sep | 3.30 | 3.49 | -0.19 |
| Oct | 3.11 | 3.27 | -0.16 |
| Nov | 2.77 | 2.84 | -0.07 |
| Dec | 2.44 | 2.64 | -0.20 |
37.40 | 39.53 | -2.13 |