| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.87 | -0.09 |
| Feb | 3.53 | 3.62 | -0.09 |
| Mar | 3.89 | 4.12 | -0.23 |
| Apr | 3.02 | 3.02 | 0.00 |
| May | 3.24 | 3.35 | -0.11 |
| Jun | 4.62 | 4.69 | -0.07 |
| Jul | 4.37 | 4.40 | -0.03 |
| Aug | 4.47 | 4.87 | -0.40 |
| Sep | 3.96 | 4.21 | -0.25 |
| Oct | 3.25 | 3.48 | -0.23 |
| Nov | 3.02 | 3.25 | -0.23 |
| Dec | 3.90 | 4.00 | -0.10 |
45.05 | 46.88 | -1.83 |