| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.54 | -0.16 |
| Feb | 3.44 | 3.63 | -0.19 |
| Mar | 4.10 | 4.23 | -0.13 |
| Apr | 4.38 | 4.56 | -0.18 |
| May | 3.74 | 3.70 | 0.04 |
| Jun | 4.35 | 4.37 | -0.02 |
| Jul | 3.46 | 3.56 | -0.10 |
| Aug | 3.41 | 3.49 | -0.08 |
| Sep | 3.89 | 3.78 | 0.11 |
| Oct | 4.97 | 5.34 | -0.37 |
| Nov | 4.37 | 4.27 | 0.10 |
| Dec | 4.49 | 4.75 | -0.26 |
47.98 | 49.22 | -1.24 |