| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.91 | -0.18 |
| Feb | 3.62 | 3.66 | -0.04 |
| Mar | 3.88 | 3.95 | -0.07 |
| Apr | 3.19 | 3.20 | -0.01 |
| May | 3.46 | 3.43 | 0.03 |
| Jun | 5.25 | 5.08 | 0.17 |
| Jul | 5.12 | 5.10 | 0.02 |
| Aug | 4.99 | 5.10 | -0.11 |
| Sep | 4.22 | 4.30 | -0.08 |
| Oct | 3.22 | 3.31 | -0.09 |
| Nov | 2.91 | 2.96 | -0.05 |
| Dec | 3.75 | 3.82 | -0.07 |
47.34 | 47.82 | -0.48 |