| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 4.19 | -0.25 |
| Feb | 4.43 | 4.49 | -0.06 |
| Mar | 5.18 | 5.24 | -0.06 |
| Apr | 5.45 | 5.78 | -0.33 |
| May | 5.05 | 4.85 | 0.20 |
| Jun | 3.48 | 3.44 | 0.04 |
| Jul | 3.53 | 3.54 | -0.01 |
| Aug | 3.38 | 3.30 | 0.08 |
| Sep | 3.23 | 3.37 | -0.14 |
| Oct | 4.39 | 4.42 | -0.03 |
| Nov | 4.19 | 4.36 | -0.17 |
| Dec | 5.31 | 5.68 | -0.37 |
51.56 | 52.66 | -1.10 |