| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.56 | -0.11 |
| Feb | 2.88 | 2.87 | 0.01 |
| Mar | 4.05 | 3.82 | 0.23 |
| Apr | 3.52 | 3.56 | -0.04 |
| May | 3.73 | 3.77 | -0.04 |
| Jun | 4.32 | 4.25 | 0.07 |
| Jul | 5.31 | 5.01 | 0.30 |
| Aug | 5.05 | 5.53 | -0.48 |
| Sep | 5.07 | 4.91 | 0.16 |
| Oct | 3.91 | 4.44 | -0.53 |
| Nov | 3.12 | 3.19 | -0.07 |
| Dec | 3.51 | 3.49 | 0.02 |
47.92 | 48.40 | -0.48 |