| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.33 | 0.06 |
| Feb | 2.50 | 2.57 | -0.07 |
| Mar | 3.21 | 3.32 | -0.11 |
| Apr | 3.54 | 3.69 | -0.15 |
| May | 3.38 | 3.42 | -0.04 |
| Jun | 3.80 | 3.84 | -0.04 |
| Jul | 3.13 | 3.15 | -0.02 |
| Aug | 3.27 | 3.25 | 0.02 |
| Sep | 3.74 | 3.53 | 0.21 |
| Oct | 4.64 | 4.61 | 0.03 |
| Nov | 4.02 | 3.96 | 0.06 |
| Dec | 4.06 | 4.29 | -0.23 |
42.68 | 42.96 | -0.28 |