| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.10 | 5.49 | -0.39 |
| Feb | 4.30 | 4.46 | -0.16 |
| Mar | 5.04 | 5.12 | -0.08 |
| Apr | 5.16 | 5.55 | -0.39 |
| May | 4.34 | 4.84 | -0.50 |
| Jun | 6.25 | 6.69 | -0.44 |
| Jul | 7.73 | 8.40 | -0.67 |
| Aug | 6.56 | 7.18 | -0.62 |
| Sep | 6.10 | 6.52 | -0.42 |
| Oct | 4.20 | 4.29 | -0.09 |
| Nov | 4.29 | 4.45 | -0.16 |
| Dec | 5.05 | 5.18 | -0.13 |
64.12 | 68.17 | -4.05 |