| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 1.97 | -0.18 |
| Feb | 1.78 | 1.87 | -0.09 |
| Mar | 2.31 | 2.25 | 0.06 |
| Apr | 3.77 | 3.74 | 0.03 |
| May | 4.70 | 4.78 | -0.08 |
| Jun | 4.54 | 4.42 | 0.12 |
| Jul | 3.82 | 3.71 | 0.11 |
| Aug | 3.90 | 4.10 | -0.20 |
| Sep | 3.43 | 3.39 | 0.04 |
| Oct | 3.27 | 3.32 | -0.05 |
| Nov | 2.43 | 2.50 | -0.07 |
| Dec | 2.06 | 2.12 | -0.06 |
37.80 | 38.17 | -0.37 |