| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.59 | -0.18 |
| Feb | 2.86 | 2.84 | 0.02 |
| Mar | 4.00 | 3.82 | 0.18 |
| Apr | 3.41 | 3.54 | -0.13 |
| May | 3.72 | 3.81 | -0.09 |
| Jun | 4.29 | 4.34 | -0.05 |
| Jul | 5.35 | 4.93 | 0.42 |
| Aug | 5.09 | 5.61 | -0.52 |
| Sep | 5.14 | 5.10 | 0.04 |
| Oct | 3.91 | 4.48 | -0.57 |
| Nov | 3.17 | 3.38 | -0.21 |
| Dec | 3.37 | 3.50 | -0.13 |
47.72 | 48.94 | -1.22 |