| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.21 | 5.10 | 0.11 |
| Feb | 4.46 | 4.43 | 0.03 |
| Mar | 5.19 | 5.04 | 0.15 |
| Apr | 4.88 | 4.79 | 0.09 |
| May | 4.61 | 4.83 | -0.22 |
| Jun | 5.04 | 5.34 | -0.30 |
| Jul | 5.15 | 5.13 | 0.02 |
| Aug | 5.84 | 5.67 | 0.17 |
| Sep | 4.89 | 4.65 | 0.24 |
| Oct | 4.39 | 4.26 | 0.13 |
| Nov | 4.52 | 4.43 | 0.09 |
| Dec | 5.59 | 5.56 | 0.03 |
59.77 | 59.23 | 0.54 |