| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 2.85 | 0.22 |
| Feb | 2.55 | 2.65 | -0.10 |
| Mar | 3.93 | 3.75 | 0.18 |
| Apr | 4.78 | 4.91 | -0.13 |
| May | 5.02 | 5.04 | -0.02 |
| Jun | 4.66 | 4.56 | 0.10 |
| Jul | 4.04 | 3.92 | 0.12 |
| Aug | 3.52 | 3.37 | 0.15 |
| Sep | 3.22 | 3.28 | -0.06 |
| Oct | 3.39 | 3.37 | 0.02 |
| Nov | 3.96 | 3.92 | 0.04 |
| Dec | 2.97 | 2.90 | 0.07 |
45.11 | 44.52 | 0.59 |