| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.77 | -0.26 |
| Feb | 3.29 | 3.43 | -0.14 |
| Mar | 3.56 | 3.60 | -0.04 |
| Apr | 3.37 | 3.33 | 0.04 |
| May | 3.59 | 3.64 | -0.05 |
| Jun | 5.32 | 5.29 | 0.03 |
| Jul | 5.94 | 5.97 | -0.03 |
| Aug | 6.31 | 6.62 | -0.31 |
| Sep | 5.53 | 6.08 | -0.55 |
| Oct | 4.25 | 4.36 | -0.11 |
| Nov | 3.01 | 3.09 | -0.08 |
| Dec | 3.68 | 3.70 | -0.02 |
51.36 | 52.88 | -1.52 |