| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.25 | -0.14 |
| Feb | 2.77 | 2.88 | -0.11 |
| Mar | 3.96 | 4.13 | -0.17 |
| Apr | 3.63 | 3.61 | 0.02 |
| May | 4.22 | 4.26 | -0.04 |
| Jun | 4.28 | 4.23 | 0.05 |
| Jul | 4.46 | 4.36 | 0.10 |
| Aug | 4.27 | 4.01 | 0.26 |
| Sep | 4.46 | 4.55 | -0.09 |
| Oct | 4.22 | 4.27 | -0.05 |
| Nov | 3.43 | 3.31 | 0.12 |
| Dec | 3.70 | 3.96 | -0.26 |
46.51 | 46.82 | -0.31 |