| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.89 | 4.90 | -0.01 |
| Feb | 4.97 | 4.93 | 0.04 |
| Mar | 5.28 | 5.11 | 0.17 |
| Apr | 4.40 | 4.33 | 0.07 |
| May | 3.71 | 3.68 | 0.03 |
| Jun | 4.32 | 4.25 | 0.07 |
| Jul | 4.82 | 4.91 | -0.09 |
| Aug | 3.99 | 4.23 | -0.24 |
| Sep | 3.50 | 3.61 | -0.11 |
| Oct | 3.12 | 3.27 | -0.15 |
| Nov | 4.28 | 4.17 | 0.11 |
| Dec | 4.99 | 4.96 | 0.03 |
52.27 | 52.35 | -0.08 |