| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.66 | 4.49 | 0.17 |
| Feb | 4.16 | 4.00 | 0.16 |
| Mar | 4.72 | 4.69 | 0.03 |
| Apr | 4.35 | 4.25 | 0.10 |
| May | 4.21 | 4.22 | -0.01 |
| Jun | 4.54 | 4.41 | 0.13 |
| Jul | 4.65 | 4.73 | -0.08 |
| Aug | 5.14 | 5.10 | 0.04 |
| Sep | 4.39 | 4.26 | 0.13 |
| Oct | 3.85 | 3.82 | 0.03 |
| Nov | 4.10 | 4.12 | -0.02 |
| Dec | 5.02 | 4.89 | 0.13 |
53.79 | 52.98 | 0.81 |