| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.82 | -0.04 |
| Feb | 0.81 | 0.82 | -0.01 |
| Mar | 1.61 | 1.48 | 0.13 |
| Apr | 2.85 | 2.84 | 0.01 |
| May | 4.12 | 4.14 | -0.02 |
| Jun | 4.59 | 4.60 | -0.01 |
| Jul | 4.22 | 4.39 | -0.17 |
| Aug | 4.36 | 4.04 | 0.32 |
| Sep | 3.29 | 3.12 | 0.17 |
| Oct | 2.82 | 2.74 | 0.08 |
| Nov | 1.68 | 1.56 | 0.12 |
| Dec | 1.11 | 1.13 | -0.02 |
32.24 | 31.68 | 0.56 |