| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.77 | 2.87 | -0.10 |
| Feb | 2.34 | 2.35 | -0.01 |
| Mar | 3.03 | 2.99 | 0.04 |
| Apr | 3.94 | 3.95 | -0.01 |
| May | 4.49 | 4.43 | 0.06 |
| Jun | 5.10 | 5.03 | 0.07 |
| Jul | 4.83 | 4.70 | 0.13 |
| Aug | 3.41 | 3.38 | 0.03 |
| Sep | 3.10 | 3.11 | -0.01 |
| Oct | 3.27 | 3.12 | 0.15 |
| Nov | 3.34 | 3.31 | 0.03 |
| Dec | 2.75 | 2.80 | -0.05 |
42.37 | 42.04 | 0.33 |