| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 4.88 | -0.09 |
| Feb | 4.91 | 4.93 | -0.02 |
| Mar | 5.19 | 5.13 | 0.06 |
| Apr | 4.29 | 4.39 | -0.10 |
| May | 3.78 | 3.68 | 0.10 |
| Jun | 4.24 | 4.21 | 0.03 |
| Jul | 4.79 | 4.95 | -0.16 |
| Aug | 4.03 | 4.27 | -0.24 |
| Sep | 3.57 | 3.73 | -0.16 |
| Oct | 3.10 | 3.25 | -0.15 |
| Nov | 4.20 | 4.18 | 0.02 |
| Dec | 4.94 | 4.97 | -0.03 |
51.83 | 52.57 | -0.74 |