| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.08 | 6.81 | 0.27 |
| Feb | 5.49 | 5.36 | 0.13 |
| Mar | 6.04 | 5.88 | 0.16 |
| Apr | 4.88 | 4.59 | 0.29 |
| May | 3.31 | 3.12 | 0.19 |
| Jun | 2.12 | 2.03 | 0.09 |
| Jul | 0.44 | 0.41 | 0.03 |
| Aug | 0.55 | 0.53 | 0.02 |
| Sep | 1.78 | 1.62 | 0.16 |
| Oct | 4.32 | 4.03 | 0.29 |
| Nov | 7.36 | 6.95 | 0.41 |
| Dec | 8.37 | 8.08 | 0.29 |
51.74 | 49.41 | 2.33 |