| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.70 | 5.08 | -0.38 |
| Feb | 4.73 | 5.07 | -0.34 |
| Mar | 4.80 | 5.17 | -0.37 |
| Apr | 4.63 | 5.24 | -0.61 |
| May | 3.49 | 3.51 | -0.02 |
| Jun | 6.05 | 5.91 | 0.14 |
| Jul | 7.49 | 7.01 | 0.48 |
| Aug | 7.60 | 7.20 | 0.40 |
| Sep | 5.84 | 5.96 | -0.12 |
| Oct | 3.89 | 4.14 | -0.25 |
| Nov | 3.91 | 4.33 | -0.42 |
| Dec | 4.83 | 5.09 | -0.26 |
61.96 | 63.71 | -1.75 |