| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.11 | -0.07 |
| Feb | 3.66 | 3.78 | -0.12 |
| Mar | 4.09 | 4.22 | -0.13 |
| Apr | 3.27 | 3.25 | 0.02 |
| May | 3.35 | 3.25 | 0.10 |
| Jun | 5.31 | 5.21 | 0.10 |
| Jul | 4.89 | 4.89 | 0.00 |
| Aug | 4.89 | 5.10 | -0.21 |
| Sep | 4.13 | 4.22 | -0.09 |
| Oct | 3.24 | 3.16 | 0.08 |
| Nov | 3.08 | 3.09 | -0.01 |
| Dec | 4.03 | 3.98 | 0.05 |
47.98 | 48.26 | -0.28 |