| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.61 | -0.31 |
| Feb | 2.95 | 2.97 | -0.02 |
| Mar | 3.96 | 4.19 | -0.23 |
| Apr | 4.52 | 4.87 | -0.35 |
| May | 4.87 | 5.06 | -0.19 |
| Jun | 4.79 | 4.77 | 0.02 |
| Jul | 4.26 | 4.26 | 0.00 |
| Aug | 3.49 | 3.35 | 0.14 |
| Sep | 3.21 | 3.33 | -0.12 |
| Oct | 3.25 | 3.32 | -0.07 |
| Nov | 3.17 | 3.28 | -0.11 |
| Dec | 3.57 | 3.86 | -0.29 |
45.34 | 46.87 | -1.53 |