| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.61 | 0.03 |
| Feb | 2.09 | 2.05 | 0.04 |
| Mar | 3.04 | 2.88 | 0.16 |
| Apr | 2.62 | 2.65 | -0.03 |
| May | 3.45 | 2.81 | 0.64 |
| Jun | 7.95 | 7.72 | 0.23 |
| Jul | 7.52 | 7.40 | 0.12 |
| Aug | 9.03 | 8.72 | 0.31 |
| Sep | 7.27 | 7.38 | -0.11 |
| Oct | 2.97 | 2.75 | 0.22 |
| Nov | 1.88 | 1.73 | 0.15 |
| Dec | 2.49 | 2.25 | 0.24 |
52.95 | 50.95 | 2.00 |