| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.56 | -0.16 |
| Feb | 2.82 | 2.78 | 0.04 |
| Mar | 3.43 | 3.57 | -0.14 |
| Apr | 4.08 | 4.05 | 0.03 |
| May | 4.28 | 4.69 | -0.41 |
| Jun | 4.68 | 5.21 | -0.53 |
| Jul | 4.48 | 4.81 | -0.33 |
| Aug | 4.26 | 4.19 | 0.07 |
| Sep | 4.46 | 4.94 | -0.48 |
| Oct | 4.69 | 5.09 | -0.40 |
| Nov | 3.42 | 3.53 | -0.11 |
| Dec | 3.67 | 3.79 | -0.12 |
47.67 | 50.21 | -2.54 |