| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.54 | -0.04 |
| Feb | 2.89 | 2.97 | -0.08 |
| Mar | 4.08 | 4.20 | -0.12 |
| Apr | 4.99 | 5.26 | -0.27 |
| May | 5.16 | 5.37 | -0.21 |
| Jun | 4.88 | 5.11 | -0.23 |
| Jul | 4.25 | 4.39 | -0.14 |
| Aug | 3.75 | 3.82 | -0.07 |
| Sep | 3.30 | 3.42 | -0.12 |
| Oct | 3.33 | 3.54 | -0.21 |
| Nov | 3.64 | 3.77 | -0.13 |
| Dec | 3.66 | 3.79 | -0.13 |
47.43 | 49.18 | -1.75 |