| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.56 | -0.36 |
| Feb | 3.35 | 3.99 | -0.64 |
| Mar | 3.99 | 4.52 | -0.53 |
| Apr | 4.12 | 4.23 | -0.11 |
| May | 3.95 | 4.21 | -0.26 |
| Jun | 4.04 | 4.23 | -0.19 |
| Jul | 3.69 | 3.35 | 0.34 |
| Aug | 3.34 | 3.35 | -0.01 |
| Sep | 4.02 | 4.04 | -0.02 |
| Oct | 5.15 | 5.52 | -0.37 |
| Nov | 4.79 | 5.24 | -0.45 |
| Dec | 4.93 | 5.75 | -0.82 |
49.57 | 52.99 | -3.42 |