| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 4.67 | 0.12 |
| Feb | 4.74 | 4.75 | -0.01 |
| Mar | 4.88 | 4.79 | 0.09 |
| Apr | 3.98 | 4.05 | -0.07 |
| May | 3.72 | 3.78 | -0.06 |
| Jun | 4.51 | 4.42 | 0.09 |
| Jul | 4.87 | 4.83 | 0.04 |
| Aug | 4.35 | 4.55 | -0.20 |
| Sep | 3.99 | 4.09 | -0.10 |
| Oct | 3.50 | 3.50 | 0.00 |
| Nov | 4.07 | 4.20 | -0.13 |
| Dec | 4.68 | 4.70 | -0.02 |
52.08 | 52.33 | -0.25 |