| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.82 | -0.10 |
| Feb | 3.49 | 3.42 | 0.07 |
| Mar | 3.82 | 4.00 | -0.18 |
| Apr | 2.99 | 2.95 | 0.04 |
| May | 3.18 | 3.20 | -0.02 |
| Jun | 4.26 | 4.22 | 0.04 |
| Jul | 4.34 | 4.09 | 0.25 |
| Aug | 4.46 | 4.94 | -0.48 |
| Sep | 3.98 | 4.03 | -0.05 |
| Oct | 3.25 | 3.51 | -0.26 |
| Nov | 3.01 | 3.18 | -0.17 |
| Dec | 3.89 | 4.00 | -0.11 |
44.39 | 45.36 | -0.97 |