| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.09 | 5.12 | -0.03 |
| Feb | 5.06 | 4.99 | 0.07 |
| Mar | 5.19 | 5.17 | 0.02 |
| Apr | 4.37 | 4.39 | -0.02 |
| May | 4.12 | 4.07 | 0.05 |
| Jun | 4.81 | 4.46 | 0.35 |
| Jul | 4.69 | 4.88 | -0.19 |
| Aug | 4.69 | 4.64 | 0.05 |
| Sep | 4.08 | 4.16 | -0.08 |
| Oct | 3.89 | 3.74 | 0.15 |
| Nov | 4.49 | 4.37 | 0.12 |
| Dec | 5.10 | 4.97 | 0.13 |
55.58 | 54.96 | 0.62 |