| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.57 | -0.15 |
| Feb | 2.83 | 2.85 | -0.02 |
| Mar | 3.96 | 3.94 | 0.02 |
| Apr | 3.58 | 3.68 | -0.10 |
| May | 3.95 | 4.07 | -0.12 |
| Jun | 4.50 | 4.53 | -0.03 |
| Jul | 5.06 | 5.03 | 0.03 |
| Aug | 4.82 | 4.85 | -0.03 |
| Sep | 4.73 | 4.80 | -0.07 |
| Oct | 3.99 | 4.03 | -0.04 |
| Nov | 3.07 | 2.99 | 0.08 |
| Dec | 3.56 | 3.63 | -0.07 |
47.47 | 47.97 | -0.50 |