| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.70 | 0.05 |
| Feb | 3.69 | 3.71 | -0.02 |
| Mar | 3.82 | 3.72 | 0.10 |
| Apr | 3.15 | 3.24 | -0.09 |
| May | 3.16 | 3.20 | -0.04 |
| Jun | 5.50 | 5.35 | 0.15 |
| Jul | 5.02 | 5.07 | -0.05 |
| Aug | 5.44 | 5.81 | -0.37 |
| Sep | 3.69 | 3.96 | -0.27 |
| Oct | 3.12 | 3.02 | 0.10 |
| Nov | 2.68 | 2.64 | 0.04 |
| Dec | 3.59 | 3.67 | -0.08 |
46.61 | 47.09 | -0.48 |