| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.24 | 5.22 | 0.02 |
| Feb | 5.41 | 5.37 | 0.04 |
| Mar | 5.37 | 5.26 | 0.11 |
| Apr | 4.99 | 5.15 | -0.16 |
| May | 4.18 | 4.28 | -0.10 |
| Jun | 4.67 | 4.65 | 0.02 |
| Jul | 4.87 | 4.48 | 0.39 |
| Aug | 4.13 | 4.38 | -0.25 |
| Sep | 4.00 | 4.13 | -0.13 |
| Oct | 3.36 | 3.32 | 0.04 |
| Nov | 4.54 | 4.48 | 0.06 |
| Dec | 4.99 | 5.10 | -0.11 |
55.75 | 55.82 | -0.07 |