| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.21 | 7.40 | 0.81 |
| Feb | 6.30 | 5.56 | 0.74 |
| Mar | 6.43 | 6.10 | 0.33 |
| Apr | 4.85 | 4.46 | 0.39 |
| May | 3.06 | 3.07 | -0.01 |
| Jun | 1.59 | 1.42 | 0.17 |
| Jul | 0.38 | 0.36 | 0.02 |
| Aug | 0.46 | 0.43 | 0.03 |
| Sep | 1.54 | 1.43 | 0.11 |
| Oct | 4.26 | 3.68 | 0.58 |
| Nov | 8.08 | 7.19 | 0.89 |
| Dec | 10.03 | 9.01 | 1.02 |
55.19 | 50.11 | 5.08 |