| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.50 | 0.10 |
| Feb | 3.09 | 3.00 | 0.09 |
| Mar | 3.79 | 3.75 | 0.04 |
| Apr | 3.42 | 3.50 | -0.08 |
| May | 3.69 | 3.63 | 0.06 |
| Jun | 4.65 | 4.23 | 0.42 |
| Jul | 5.23 | 5.46 | -0.23 |
| Aug | 5.04 | 5.33 | -0.29 |
| Sep | 5.39 | 5.30 | 0.09 |
| Oct | 3.24 | 3.35 | -0.11 |
| Nov | 3.32 | 3.34 | -0.02 |
| Dec | 3.43 | 3.33 | 0.10 |
47.89 | 47.72 | 0.17 |