| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.09 | 2.16 | -0.07 |
| Feb | 1.83 | 1.89 | -0.06 |
| Mar | 2.57 | 2.58 | -0.01 |
| Apr | 3.82 | 3.72 | 0.10 |
| May | 4.58 | 4.56 | 0.02 |
| Jun | 4.07 | 4.02 | 0.05 |
| Jul | 4.10 | 3.84 | 0.26 |
| Aug | 3.61 | 3.54 | 0.07 |
| Sep | 3.17 | 3.26 | -0.09 |
| Oct | 3.23 | 3.18 | 0.05 |
| Nov | 2.75 | 2.70 | 0.05 |
| Dec | 2.16 | 2.16 | 0.00 |
37.98 | 37.61 | 0.37 |