| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.76 | 1.87 | -0.11 |
| Feb | 1.78 | 1.82 | -0.04 |
| Mar | 2.27 | 2.22 | 0.05 |
| Apr | 3.71 | 3.70 | 0.01 |
| May | 4.68 | 4.85 | -0.17 |
| Jun | 4.66 | 4.65 | 0.01 |
| Jul | 3.91 | 3.90 | 0.01 |
| Aug | 3.91 | 4.00 | -0.09 |
| Sep | 3.52 | 3.47 | 0.05 |
| Oct | 3.24 | 3.20 | 0.04 |
| Nov | 2.42 | 2.47 | -0.05 |
| Dec | 2.07 | 2.09 | -0.02 |
37.93 | 38.24 | -0.31 |