| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.32 | -0.09 |
| Feb | 2.82 | 3.09 | -0.27 |
| Mar | 3.33 | 3.46 | -0.13 |
| Apr | 3.81 | 4.10 | -0.29 |
| May | 5.09 | 4.97 | 0.12 |
| Jun | 5.32 | 5.42 | -0.10 |
| Jul | 4.26 | 4.31 | -0.05 |
| Aug | 5.09 | 5.36 | -0.27 |
| Sep | 5.70 | 5.70 | 0.00 |
| Oct | 4.99 | 5.14 | -0.15 |
| Nov | 4.18 | 4.57 | -0.39 |
| Dec | 4.16 | 4.29 | -0.13 |
52.98 | 54.73 | -1.75 |