| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.76 | -0.39 |
| Feb | 3.02 | 3.44 | -0.42 |
| Mar | 4.15 | 4.52 | -0.37 |
| Apr | 4.24 | 4.60 | -0.36 |
| May | 3.59 | 3.83 | -0.24 |
| Jun | 4.24 | 4.16 | 0.08 |
| Jul | 3.77 | 3.56 | 0.21 |
| Aug | 3.55 | 4.04 | -0.49 |
| Sep | 4.07 | 4.39 | -0.32 |
| Oct | 4.27 | 4.66 | -0.39 |
| Nov | 3.60 | 3.82 | -0.22 |
| Dec | 4.08 | 4.63 | -0.55 |
45.95 | 49.41 | -3.46 |