| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.26 | -0.05 |
| Feb | 1.91 | 2.04 | -0.13 |
| Mar | 2.31 | 2.39 | -0.08 |
| Apr | 3.60 | 3.69 | -0.09 |
| May | 4.21 | 4.34 | -0.13 |
| Jun | 4.32 | 4.38 | -0.06 |
| Jul | 4.12 | 4.14 | -0.02 |
| Aug | 3.90 | 4.10 | -0.20 |
| Sep | 3.46 | 3.42 | 0.04 |
| Oct | 3.47 | 3.56 | -0.09 |
| Nov | 2.79 | 2.72 | 0.07 |
| Dec | 2.13 | 2.23 | -0.10 |
38.43 | 39.27 | -0.84 |