| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 4.68 | -0.19 |
| Feb | 4.77 | 4.81 | -0.04 |
| Mar | 5.03 | 4.84 | 0.19 |
| Apr | 4.51 | 4.69 | -0.18 |
| May | 3.85 | 4.13 | -0.28 |
| Jun | 4.45 | 4.28 | 0.17 |
| Jul | 4.42 | 4.65 | -0.23 |
| Aug | 3.50 | 3.22 | 0.28 |
| Sep | 3.67 | 3.56 | 0.11 |
| Oct | 3.38 | 2.77 | 0.61 |
| Nov | 3.88 | 3.50 | 0.38 |
| Dec | 5.31 | 5.05 | 0.26 |
51.26 | 50.18 | 1.08 |