| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.71 | 0.02 |
| Feb | 1.62 | 1.72 | -0.10 |
| Mar | 2.21 | 2.24 | -0.03 |
| Apr | 3.77 | 3.68 | 0.09 |
| May | 4.35 | 4.32 | 0.03 |
| Jun | 4.92 | 5.09 | -0.17 |
| Jul | 3.86 | 3.71 | 0.15 |
| Aug | 4.06 | 3.91 | 0.15 |
| Sep | 3.49 | 3.66 | -0.17 |
| Oct | 3.02 | 2.94 | 0.08 |
| Nov | 2.40 | 2.37 | 0.03 |
| Dec | 2.03 | 1.99 | 0.04 |
37.46 | 37.34 | 0.12 |