| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 5.22 | -0.21 |
| Feb | 4.98 | 5.37 | -0.39 |
| Mar | 5.29 | 5.40 | -0.11 |
| Apr | 4.24 | 4.44 | -0.20 |
| May | 4.07 | 3.97 | 0.10 |
| Jun | 4.56 | 4.95 | -0.39 |
| Jul | 4.78 | 4.95 | -0.17 |
| Aug | 4.17 | 4.43 | -0.26 |
| Sep | 3.62 | 3.63 | -0.01 |
| Oct | 3.08 | 3.10 | -0.02 |
| Nov | 3.96 | 4.06 | -0.10 |
| Dec | 5.21 | 5.33 | -0.12 |
52.97 | 54.85 | -1.88 |