| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.20 | 6.62 | 0.58 |
| Feb | 5.32 | 4.96 | 0.36 |
| Mar | 5.54 | 5.28 | 0.26 |
| Apr | 4.23 | 4.11 | 0.12 |
| May | 2.97 | 2.84 | 0.13 |
| Jun | 2.03 | 1.97 | 0.06 |
| Jul | 0.56 | 0.54 | 0.02 |
| Aug | 0.76 | 0.72 | 0.04 |
| Sep | 1.96 | 1.89 | 0.07 |
| Oct | 4.54 | 4.36 | 0.18 |
| Nov | 7.63 | 6.87 | 0.76 |
| Dec | 8.10 | 7.49 | 0.61 |
50.84 | 47.65 | 3.19 |