| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.62 | -0.10 |
| Feb | 3.34 | 3.35 | -0.01 |
| Mar | 4.41 | 4.52 | -0.11 |
| Apr | 4.18 | 4.16 | 0.02 |
| May | 3.60 | 3.51 | 0.09 |
| Jun | 4.10 | 4.04 | 0.06 |
| Jul | 3.46 | 3.41 | 0.05 |
| Aug | 3.47 | 3.34 | 0.13 |
| Sep | 3.73 | 3.60 | 0.13 |
| Oct | 4.69 | 4.73 | -0.04 |
| Nov | 3.90 | 3.95 | -0.05 |
| Dec | 4.60 | 4.68 | -0.08 |
47.00 | 46.91 | 0.09 |