| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.45 | -0.08 |
| Feb | 1.37 | 1.50 | -0.13 |
| Mar | 2.12 | 2.11 | 0.01 |
| Apr | 3.64 | 3.84 | -0.20 |
| May | 4.18 | 4.31 | -0.13 |
| Jun | 5.39 | 5.35 | 0.04 |
| Jul | 4.45 | 4.42 | 0.03 |
| Aug | 4.12 | 4.13 | -0.01 |
| Sep | 3.56 | 3.49 | 0.07 |
| Oct | 2.84 | 2.85 | -0.01 |
| Nov | 2.19 | 2.20 | -0.01 |
| Dec | 1.59 | 1.70 | -0.11 |
36.82 | 37.35 | -0.53 |