| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.14 | 4.37 | 0.77 |
| Feb | 4.03 | 3.60 | 0.43 |
| Mar | 5.35 | 4.54 | 0.81 |
| Apr | 5.66 | 5.18 | 0.48 |
| May | 5.61 | 4.99 | 0.62 |
| Jun | 5.37 | 4.99 | 0.38 |
| Jul | 5.72 | 5.33 | 0.39 |
| Aug | 5.58 | 5.34 | 0.24 |
| Sep | 5.77 | 4.98 | 0.79 |
| Oct | 5.26 | 4.02 | 1.24 |
| Nov | 5.10 | 4.04 | 1.06 |
| Dec | 5.13 | 4.55 | 0.58 |
63.72 | 55.93 | 7.79 |