| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.05 | 4.06 | -0.01 |
| Feb | 4.40 | 4.46 | -0.06 |
| Mar | 4.71 | 4.77 | -0.06 |
| Apr | 5.06 | 4.99 | 0.07 |
| May | 5.26 | 5.36 | -0.10 |
| Jun | 4.17 | 4.24 | -0.07 |
| Jul | 4.46 | 4.53 | -0.07 |
| Aug | 3.83 | 3.75 | 0.08 |
| Sep | 3.65 | 3.78 | -0.13 |
| Oct | 3.68 | 3.64 | 0.04 |
| Nov | 3.71 | 3.71 | 0.00 |
| Dec | 4.71 | 4.79 | -0.08 |
51.69 | 52.08 | -0.39 |