| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 4.49 | 0.37 |
| Feb | 3.92 | 3.53 | 0.39 |
| Mar | 4.82 | 4.38 | 0.44 |
| Apr | 5.04 | 4.62 | 0.42 |
| May | 5.17 | 4.68 | 0.49 |
| Jun | 4.97 | 4.75 | 0.22 |
| Jul | 5.17 | 4.75 | 0.42 |
| Aug | 5.50 | 5.09 | 0.41 |
| Sep | 5.08 | 5.06 | 0.02 |
| Oct | 4.41 | 4.15 | 0.26 |
| Nov | 4.48 | 3.67 | 0.81 |
| Dec | 4.65 | 4.42 | 0.23 |
58.07 | 53.59 | 4.48 |