| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.15 | 2.12 | 0.03 |
| Feb | 1.84 | 1.86 | -0.02 |
| Mar | 2.62 | 2.59 | 0.03 |
| Apr | 3.85 | 3.70 | 0.15 |
| May | 4.40 | 4.39 | 0.01 |
| Jun | 4.35 | 4.33 | 0.02 |
| Jul | 4.22 | 3.93 | 0.29 |
| Aug | 3.67 | 3.52 | 0.15 |
| Sep | 3.15 | 3.22 | -0.07 |
| Oct | 3.18 | 3.18 | 0.00 |
| Nov | 2.89 | 2.76 | 0.13 |
| Dec | 2.17 | 2.22 | -0.05 |
38.49 | 37.82 | 0.67 |