| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.37 | 5.34 | 0.03 |
| Feb | 5.40 | 5.38 | 0.02 |
| Mar | 5.62 | 5.63 | -0.01 |
| Apr | 5.12 | 5.32 | -0.20 |
| May | 4.55 | 4.78 | -0.23 |
| Jun | 4.89 | 4.95 | -0.06 |
| Jul | 4.66 | 4.77 | -0.11 |
| Aug | 4.25 | 4.24 | 0.01 |
| Sep | 4.05 | 4.28 | -0.23 |
| Oct | 3.56 | 3.57 | -0.01 |
| Nov | 4.17 | 4.45 | -0.28 |
| Dec | 5.33 | 5.37 | -0.04 |
56.97 | 58.08 | -1.11 |