| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 4.84 | -0.16 |
| Feb | 4.37 | 4.48 | -0.11 |
| Mar | 5.04 | 5.10 | -0.06 |
| Apr | 4.98 | 5.02 | -0.04 |
| May | 4.42 | 4.46 | -0.04 |
| Jun | 4.41 | 4.47 | -0.06 |
| Jul | 3.59 | 3.47 | 0.12 |
| Aug | 3.42 | 3.36 | 0.06 |
| Sep | 3.56 | 3.59 | -0.03 |
| Oct | 4.52 | 4.55 | -0.03 |
| Nov | 4.26 | 4.35 | -0.09 |
| Dec | 5.01 | 5.18 | -0.17 |
52.26 | 52.87 | -0.61 |