| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.48 | 4.49 | -0.01 |
| Feb | 4.26 | 4.36 | -0.10 |
| Mar | 4.49 | 4.51 | -0.02 |
| Apr | 3.54 | 3.75 | -0.21 |
| May | 2.89 | 2.88 | 0.01 |
| Jun | 4.34 | 4.69 | -0.35 |
| Jul | 4.82 | 4.61 | 0.21 |
| Aug | 4.67 | 4.57 | 0.10 |
| Sep | 3.66 | 3.68 | -0.02 |
| Oct | 2.67 | 2.81 | -0.14 |
| Nov | 3.03 | 3.08 | -0.05 |
| Dec | 4.54 | 4.51 | 0.03 |
47.39 | 47.94 | -0.55 |