| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.52 | 4.57 | -0.05 |
| Feb | 4.75 | 4.59 | 0.16 |
| Mar | 4.94 | 4.99 | -0.05 |
| Apr | 3.90 | 4.10 | -0.20 |
| May | 3.17 | 3.33 | -0.16 |
| Jun | 4.48 | 4.29 | 0.19 |
| Jul | 4.79 | 4.83 | -0.04 |
| Aug | 4.33 | 4.17 | 0.16 |
| Sep | 3.69 | 3.63 | 0.06 |
| Oct | 2.89 | 3.09 | -0.20 |
| Nov | 3.81 | 3.82 | -0.01 |
| Dec | 4.89 | 4.87 | 0.02 |
50.16 | 50.28 | -0.12 |