| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.76 | 0.08 |
| Feb | 2.17 | 2.12 | 0.05 |
| Mar | 2.81 | 2.70 | 0.11 |
| Apr | 2.70 | 2.70 | 0.00 |
| May | 3.23 | 3.11 | 0.12 |
| Jun | 8.17 | 8.04 | 0.13 |
| Jul | 8.27 | 8.22 | 0.05 |
| Aug | 9.08 | 8.73 | 0.35 |
| Sep | 6.76 | 6.95 | -0.19 |
| Oct | 2.69 | 2.79 | -0.10 |
| Nov | 1.78 | 1.89 | -0.11 |
| Dec | 2.39 | 2.32 | 0.07 |
52.89 | 52.33 | 0.56 |