| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.69 | -0.20 |
| Feb | 3.37 | 3.55 | -0.18 |
| Mar | 4.45 | 4.67 | -0.22 |
| Apr | 4.16 | 4.30 | -0.14 |
| May | 3.79 | 3.97 | -0.18 |
| Jun | 4.11 | 4.31 | -0.20 |
| Jul | 3.52 | 3.52 | 0.00 |
| Aug | 3.37 | 3.45 | -0.08 |
| Sep | 3.75 | 3.89 | -0.14 |
| Oct | 4.77 | 4.91 | -0.14 |
| Nov | 3.91 | 3.88 | 0.03 |
| Dec | 4.59 | 4.77 | -0.18 |
47.28 | 48.91 | -1.63 |