| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.48 | 6.27 | 0.21 |
| Feb | 4.97 | 4.82 | 0.15 |
| Mar | 5.32 | 5.18 | 0.14 |
| Apr | 4.54 | 4.43 | 0.11 |
| May | 3.13 | 3.17 | -0.04 |
| Jun | 1.83 | 1.83 | 0.00 |
| Jul | 0.38 | 0.40 | -0.02 |
| Aug | 0.51 | 0.46 | 0.05 |
| Sep | 1.57 | 1.66 | -0.09 |
| Oct | 3.88 | 3.97 | -0.09 |
| Nov | 6.77 | 6.44 | 0.33 |
| Dec | 7.70 | 7.61 | 0.09 |
47.08 | 46.24 | 0.84 |