| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.07 | -0.09 |
| Feb | 2.55 | 2.64 | -0.09 |
| Mar | 3.54 | 3.79 | -0.25 |
| Apr | 3.33 | 3.39 | -0.06 |
| May | 4.27 | 4.53 | -0.26 |
| Jun | 4.17 | 4.38 | -0.21 |
| Jul | 4.22 | 4.31 | -0.09 |
| Aug | 3.49 | 3.66 | -0.17 |
| Sep | 4.06 | 4.28 | -0.22 |
| Oct | 3.69 | 3.82 | -0.13 |
| Nov | 3.06 | 3.20 | -0.14 |
| Dec | 3.43 | 3.53 | -0.10 |
42.79 | 44.60 | -1.81 |