| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.72 | 0.02 |
| Feb | 4.79 | 4.75 | 0.04 |
| Mar | 4.89 | 4.77 | 0.12 |
| Apr | 4.04 | 4.09 | -0.05 |
| May | 3.93 | 4.02 | -0.09 |
| Jun | 4.39 | 4.31 | 0.08 |
| Jul | 4.87 | 4.91 | -0.04 |
| Aug | 4.25 | 4.35 | -0.10 |
| Sep | 4.04 | 4.05 | -0.01 |
| Oct | 3.55 | 3.52 | 0.03 |
| Nov | 4.12 | 4.17 | -0.05 |
| Dec | 4.65 | 4.70 | -0.05 |
52.26 | 52.36 | -0.10 |