| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 1.88 | -0.09 |
| Feb | 1.74 | 1.84 | -0.10 |
| Mar | 2.23 | 2.28 | -0.05 |
| Apr | 3.79 | 3.77 | 0.02 |
| May | 4.74 | 4.70 | 0.04 |
| Jun | 4.34 | 4.31 | 0.03 |
| Jul | 3.84 | 3.74 | 0.10 |
| Aug | 3.92 | 3.79 | 0.13 |
| Sep | 3.24 | 3.28 | -0.04 |
| Oct | 3.34 | 3.36 | -0.02 |
| Nov | 2.55 | 2.53 | 0.02 |
| Dec | 2.03 | 2.10 | -0.07 |
37.55 | 37.58 | -0.03 |