| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.73 | -0.20 |
| Feb | 2.07 | 2.14 | -0.07 |
| Mar | 2.91 | 2.99 | -0.08 |
| Apr | 3.58 | 3.72 | -0.14 |
| May | 3.90 | 4.03 | -0.13 |
| Jun | 4.37 | 4.30 | 0.07 |
| Jul | 3.89 | 3.85 | 0.04 |
| Aug | 3.53 | 3.66 | -0.13 |
| Sep | 3.38 | 3.41 | -0.03 |
| Oct | 3.07 | 3.12 | -0.05 |
| Nov | 2.72 | 2.79 | -0.07 |
| Dec | 2.59 | 2.77 | -0.18 |
38.54 | 39.51 | -0.97 |