| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 3.83 | 0.10 |
| Feb | 4.49 | 4.35 | 0.14 |
| Mar | 4.52 | 4.77 | -0.25 |
| Apr | 4.73 | 4.88 | -0.15 |
| May | 5.15 | 5.39 | -0.24 |
| Jun | 4.31 | 4.24 | 0.07 |
| Jul | 4.10 | 4.53 | -0.43 |
| Aug | 3.59 | 3.46 | 0.13 |
| Sep | 3.46 | 3.68 | -0.22 |
| Oct | 3.82 | 3.79 | 0.03 |
| Nov | 3.75 | 3.77 | -0.02 |
| Dec | 4.81 | 4.76 | 0.05 |
50.66 | 51.45 | -0.79 |