| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.64 | -0.02 |
| Feb | 4.37 | 4.42 | -0.05 |
| Mar | 5.10 | 5.10 | 0.00 |
| Apr | 5.08 | 5.13 | -0.05 |
| May | 4.40 | 4.33 | 0.07 |
| Jun | 4.32 | 4.43 | -0.11 |
| Jul | 3.40 | 3.56 | -0.16 |
| Aug | 3.08 | 2.97 | 0.11 |
| Sep | 3.57 | 3.79 | -0.22 |
| Oct | 4.65 | 4.45 | 0.20 |
| Nov | 4.21 | 4.33 | -0.12 |
| Dec | 5.02 | 5.16 | -0.14 |
51.82 | 52.31 | -0.49 |