| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.82 | -0.04 |
| Feb | 4.83 | 4.90 | -0.07 |
| Mar | 4.97 | 5.05 | -0.08 |
| Apr | 4.15 | 4.34 | -0.19 |
| May | 3.95 | 3.97 | -0.02 |
| Jun | 4.23 | 4.12 | 0.11 |
| Jul | 4.79 | 4.69 | 0.10 |
| Aug | 4.00 | 4.03 | -0.03 |
| Sep | 3.92 | 4.07 | -0.15 |
| Oct | 3.46 | 3.42 | 0.04 |
| Nov | 4.15 | 4.26 | -0.11 |
| Dec | 4.70 | 4.72 | -0.02 |
51.93 | 52.39 | -0.46 |