| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.45 | -0.16 |
| Feb | 2.13 | 2.23 | -0.10 |
| Mar | 3.12 | 3.13 | -0.01 |
| Apr | 4.39 | 4.56 | -0.17 |
| May | 4.86 | 5.18 | -0.32 |
| Jun | 4.29 | 4.42 | -0.13 |
| Jul | 4.18 | 4.17 | 0.01 |
| Aug | 4.11 | 3.86 | 0.25 |
| Sep | 3.59 | 3.70 | -0.11 |
| Oct | 3.26 | 3.33 | -0.07 |
| Nov | 3.29 | 3.34 | -0.05 |
| Dec | 2.47 | 2.40 | 0.07 |
41.98 | 42.77 | -0.79 |