| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.69 | 4.75 | -0.06 |
| Feb | 4.74 | 4.79 | -0.05 |
| Mar | 4.96 | 4.86 | 0.10 |
| Apr | 4.07 | 4.04 | 0.03 |
| May | 3.91 | 3.98 | -0.07 |
| Jun | 4.51 | 4.42 | 0.09 |
| Jul | 4.68 | 4.73 | -0.05 |
| Aug | 4.39 | 4.49 | -0.10 |
| Sep | 4.15 | 4.23 | -0.08 |
| Oct | 3.55 | 3.55 | 0.00 |
| Nov | 4.20 | 4.25 | -0.05 |
| Dec | 4.61 | 4.73 | -0.12 |
52.46 | 52.82 | -0.36 |