| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.87 | -0.03 |
| Feb | 3.43 | 3.57 | -0.14 |
| Mar | 3.87 | 4.00 | -0.13 |
| Apr | 3.31 | 3.49 | -0.18 |
| May | 4.13 | 4.25 | -0.12 |
| Jun | 5.18 | 5.11 | 0.07 |
| Jul | 6.28 | 6.99 | -0.71 |
| Aug | 7.04 | 7.64 | -0.60 |
| Sep | 8.08 | 9.22 | -1.14 |
| Oct | 4.69 | 4.96 | -0.27 |
| Nov | 3.60 | 3.75 | -0.15 |
| Dec | 3.65 | 3.94 | -0.29 |
57.10 | 60.79 | -3.69 |