| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.12 | 5.23 | -0.11 |
| Feb | 4.28 | 4.37 | -0.09 |
| Mar | 4.38 | 4.41 | -0.03 |
| Apr | 4.32 | 4.88 | -0.56 |
| May | 4.89 | 4.82 | 0.07 |
| Jun | 5.56 | 5.77 | -0.21 |
| Jul | 4.38 | 4.90 | -0.52 |
| Aug | 4.64 | 5.37 | -0.73 |
| Sep | 4.80 | 4.91 | -0.11 |
| Oct | 5.55 | 5.32 | 0.23 |
| Nov | 4.82 | 5.13 | -0.31 |
| Dec | 5.31 | 5.43 | -0.12 |
58.05 | 60.54 | -2.49 |