| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.10 | -0.16 |
| Feb | 2.41 | 2.38 | 0.03 |
| Mar | 3.49 | 3.48 | 0.01 |
| Apr | 3.92 | 3.96 | -0.04 |
| May | 4.34 | 4.30 | 0.04 |
| Jun | 4.52 | 4.58 | -0.06 |
| Jul | 4.49 | 4.66 | -0.17 |
| Aug | 3.69 | 3.54 | 0.15 |
| Sep | 3.34 | 3.35 | -0.01 |
| Oct | 2.95 | 2.92 | 0.03 |
| Nov | 2.91 | 2.95 | -0.04 |
| Dec | 3.09 | 3.12 | -0.03 |
42.09 | 42.34 | -0.25 |