| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 4.86 | -0.18 |
| Feb | 4.37 | 4.49 | -0.12 |
| Mar | 5.04 | 5.11 | -0.07 |
| Apr | 4.98 | 5.03 | -0.05 |
| May | 4.42 | 4.46 | -0.04 |
| Jun | 4.41 | 4.47 | -0.06 |
| Jul | 3.59 | 3.48 | 0.11 |
| Aug | 3.42 | 3.37 | 0.05 |
| Sep | 3.56 | 3.60 | -0.04 |
| Oct | 4.52 | 4.54 | -0.02 |
| Nov | 4.26 | 4.34 | -0.08 |
| Dec | 5.01 | 5.19 | -0.18 |
52.26 | 52.94 | -0.68 |