| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.79 | -0.06 |
| Feb | 4.34 | 4.36 | -0.02 |
| Mar | 4.69 | 4.69 | 0.00 |
| Apr | 4.91 | 5.00 | -0.09 |
| May | 5.20 | 5.38 | -0.18 |
| Jun | 4.20 | 4.28 | -0.08 |
| Jul | 4.34 | 4.51 | -0.17 |
| Aug | 3.61 | 3.51 | 0.10 |
| Sep | 3.74 | 3.69 | 0.05 |
| Oct | 3.77 | 3.83 | -0.06 |
| Nov | 3.73 | 3.71 | 0.02 |
| Dec | 4.66 | 4.66 | 0.00 |
50.92 | 51.41 | -0.49 |