| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 3.16 | -0.47 |
| Feb | 2.29 | 2.57 | -0.28 |
| Mar | 3.25 | 3.67 | -0.42 |
| Apr | 3.36 | 3.82 | -0.46 |
| May | 3.71 | 3.81 | -0.10 |
| Jun | 4.37 | 4.44 | -0.07 |
| Jul | 3.96 | 4.06 | -0.10 |
| Aug | 4.28 | 4.43 | -0.15 |
| Sep | 4.17 | 4.52 | -0.35 |
| Oct | 4.23 | 4.65 | -0.42 |
| Nov | 2.97 | 3.37 | -0.40 |
| Dec | 3.24 | 3.73 | -0.49 |
42.52 | 46.23 | -3.71 |