| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 4.56 | 0.37 |
| Feb | 4.29 | 4.11 | 0.18 |
| Mar | 4.85 | 4.76 | 0.09 |
| Apr | 4.57 | 4.43 | 0.14 |
| May | 4.40 | 4.33 | 0.07 |
| Jun | 4.82 | 4.57 | 0.25 |
| Jul | 4.85 | 4.89 | -0.04 |
| Aug | 5.42 | 5.05 | 0.37 |
| Sep | 4.65 | 4.32 | 0.33 |
| Oct | 4.02 | 3.94 | 0.08 |
| Nov | 4.29 | 4.17 | 0.12 |
| Dec | 5.30 | 5.04 | 0.26 |
56.39 | 54.17 | 2.22 |