| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 5.10 | -0.17 |
| Feb | 5.05 | 5.23 | -0.18 |
| Mar | 5.27 | 5.30 | -0.03 |
| Apr | 4.35 | 4.37 | -0.02 |
| May | 4.05 | 3.94 | 0.11 |
| Jun | 4.53 | 4.72 | -0.19 |
| Jul | 4.79 | 4.73 | 0.06 |
| Aug | 4.18 | 4.26 | -0.08 |
| Sep | 3.62 | 3.39 | 0.23 |
| Oct | 3.01 | 3.11 | -0.10 |
| Nov | 3.93 | 3.93 | 0.00 |
| Dec | 5.26 | 5.24 | 0.02 |
52.97 | 53.32 | -0.35 |