| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.49 | -0.03 |
| Feb | 2.70 | 2.84 | -0.14 |
| Mar | 3.96 | 4.13 | -0.17 |
| Apr | 3.75 | 3.73 | 0.02 |
| May | 3.98 | 4.08 | -0.10 |
| Jun | 4.18 | 4.25 | -0.07 |
| Jul | 5.03 | 4.90 | 0.13 |
| Aug | 4.66 | 4.55 | 0.11 |
| Sep | 4.52 | 4.44 | 0.08 |
| Oct | 4.09 | 4.23 | -0.14 |
| Nov | 3.29 | 3.33 | -0.04 |
| Dec | 4.26 | 4.40 | -0.14 |
47.88 | 48.37 | -0.49 |