| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.79 | -0.36 |
| Feb | 3.01 | 3.30 | -0.29 |
| Mar | 4.00 | 4.28 | -0.28 |
| Apr | 4.04 | 4.43 | -0.39 |
| May | 3.67 | 3.85 | -0.18 |
| Jun | 4.36 | 4.37 | -0.01 |
| Jul | 4.15 | 4.30 | -0.15 |
| Aug | 4.05 | 4.37 | -0.32 |
| Sep | 4.29 | 4.62 | -0.33 |
| Oct | 5.03 | 5.33 | -0.30 |
| Nov | 3.81 | 4.11 | -0.30 |
| Dec | 4.27 | 4.66 | -0.39 |
48.11 | 51.41 | -3.30 |