| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.31 | 1.41 | -0.10 |
| Feb | 1.28 | 1.43 | -0.15 |
| Mar | 2.06 | 2.00 | 0.06 |
| Apr | 3.59 | 3.71 | -0.12 |
| May | 4.11 | 4.14 | -0.03 |
| Jun | 5.05 | 5.16 | -0.11 |
| Jul | 4.00 | 4.20 | -0.20 |
| Aug | 4.14 | 3.97 | 0.17 |
| Sep | 3.33 | 3.40 | -0.07 |
| Oct | 2.84 | 2.85 | -0.01 |
| Nov | 2.11 | 2.12 | -0.01 |
| Dec | 1.57 | 1.66 | -0.09 |
35.39 | 36.05 | -0.66 |