| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.49 | -0.03 |
| Feb | 2.83 | 2.79 | 0.04 |
| Mar | 4.12 | 4.16 | -0.04 |
| Apr | 3.70 | 3.78 | -0.08 |
| May | 4.09 | 3.97 | 0.12 |
| Jun | 4.42 | 4.49 | -0.07 |
| Jul | 4.97 | 4.88 | 0.09 |
| Aug | 4.48 | 4.57 | -0.09 |
| Sep | 4.18 | 4.13 | 0.05 |
| Oct | 4.25 | 4.16 | 0.09 |
| Nov | 3.24 | 3.28 | -0.04 |
| Dec | 4.22 | 4.19 | 0.03 |
47.96 | 47.89 | 0.07 |