| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.30 | -0.05 |
| Feb | 3.18 | 3.29 | -0.11 |
| Mar | 3.93 | 3.89 | 0.04 |
| Apr | 3.96 | 3.90 | 0.06 |
| May | 3.65 | 3.83 | -0.18 |
| Jun | 4.23 | 4.38 | -0.15 |
| Jul | 3.99 | 3.89 | 0.10 |
| Aug | 3.88 | 4.11 | -0.23 |
| Sep | 3.90 | 3.92 | -0.02 |
| Oct | 5.07 | 5.11 | -0.04 |
| Nov | 3.88 | 3.82 | 0.06 |
| Dec | 4.38 | 4.48 | -0.10 |
47.30 | 47.92 | -0.62 |