| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.11 | 4.13 | -0.02 |
| Feb | 4.54 | 4.47 | 0.07 |
| Mar | 4.74 | 4.75 | -0.01 |
| Apr | 4.99 | 4.89 | 0.10 |
| May | 5.05 | 5.22 | -0.17 |
| Jun | 4.27 | 4.27 | 0.00 |
| Jul | 4.55 | 4.53 | 0.02 |
| Aug | 3.90 | 3.90 | 0.00 |
| Sep | 3.73 | 3.75 | -0.02 |
| Oct | 3.56 | 3.47 | 0.09 |
| Nov | 3.72 | 3.66 | 0.06 |
| Dec | 4.75 | 4.77 | -0.02 |
51.91 | 51.81 | 0.10 |