| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.68 | 0.03 |
| Feb | 2.89 | 2.85 | 0.04 |
| Mar | 3.69 | 3.74 | -0.05 |
| Apr | 3.37 | 3.39 | -0.02 |
| May | 4.69 | 4.78 | -0.09 |
| Jun | 3.71 | 3.80 | -0.09 |
| Jul | 2.05 | 2.06 | -0.01 |
| Aug | 2.26 | 2.35 | -0.09 |
| Sep | 3.00 | 3.10 | -0.10 |
| Oct | 4.70 | 4.61 | 0.09 |
| Nov | 3.17 | 3.15 | 0.02 |
| Dec | 3.39 | 3.51 | -0.12 |
39.63 | 40.02 | -0.39 |