| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.69 | 4.69 | 0.00 |
| Feb | 4.66 | 4.73 | -0.07 |
| Mar | 4.84 | 4.83 | 0.01 |
| Apr | 3.94 | 4.06 | -0.12 |
| May | 3.49 | 3.53 | -0.04 |
| Jun | 4.44 | 4.37 | 0.07 |
| Jul | 4.73 | 4.83 | -0.10 |
| Aug | 4.31 | 4.37 | -0.06 |
| Sep | 3.78 | 3.84 | -0.06 |
| Oct | 3.40 | 3.44 | -0.04 |
| Nov | 3.98 | 4.04 | -0.06 |
| Dec | 4.65 | 4.71 | -0.06 |
50.91 | 51.44 | -0.53 |