| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.94 | 4.76 | 0.18 |
| Feb | 5.10 | 4.97 | 0.13 |
| Mar | 5.53 | 5.27 | 0.26 |
| Apr | 5.24 | 5.37 | -0.13 |
| May | 4.71 | 4.77 | -0.06 |
| Jun | 5.13 | 4.82 | 0.31 |
| Jul | 5.54 | 5.54 | 0.00 |
| Aug | 4.11 | 4.27 | -0.16 |
| Sep | 4.12 | 3.74 | 0.38 |
| Oct | 3.25 | 3.16 | 0.09 |
| Nov | 4.24 | 4.14 | 0.10 |
| Dec | 5.91 | 5.59 | 0.32 |
57.82 | 56.40 | 1.42 |