| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.05 | 5.03 | 0.02 |
| Feb | 4.87 | 4.91 | -0.04 |
| Mar | 5.04 | 5.06 | -0.02 |
| Apr | 4.15 | 4.24 | -0.09 |
| May | 4.28 | 4.13 | 0.15 |
| Jun | 4.68 | 4.48 | 0.20 |
| Jul | 4.37 | 4.13 | 0.24 |
| Aug | 5.05 | 4.95 | 0.10 |
| Sep | 4.00 | 4.08 | -0.08 |
| Oct | 3.96 | 3.89 | 0.07 |
| Nov | 4.25 | 4.25 | 0.00 |
| Dec | 4.91 | 4.98 | -0.07 |
54.61 | 54.13 | 0.48 |