| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.13 | 1.14 | -0.01 |
| Feb | 1.11 | 1.11 | 0.00 |
| Mar | 1.96 | 1.89 | 0.07 |
| Apr | 3.99 | 3.93 | 0.06 |
| May | 4.84 | 4.74 | 0.10 |
| Jun | 5.60 | 5.74 | -0.14 |
| Jul | 4.28 | 4.23 | 0.05 |
| Aug | 4.27 | 4.39 | -0.12 |
| Sep | 3.89 | 3.83 | 0.06 |
| Oct | 2.82 | 2.81 | 0.01 |
| Nov | 1.88 | 1.79 | 0.09 |
| Dec | 1.40 | 1.37 | 0.03 |
37.17 | 36.97 | 0.20 |