| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 4.16 | -0.52 |
| Feb | 3.00 | 3.55 | -0.55 |
| Mar | 4.21 | 4.67 | -0.46 |
| Apr | 4.22 | 4.82 | -0.60 |
| May | 3.57 | 3.85 | -0.28 |
| Jun | 4.24 | 4.41 | -0.17 |
| Jul | 3.48 | 3.77 | -0.29 |
| Aug | 4.02 | 4.39 | -0.37 |
| Sep | 4.12 | 4.72 | -0.60 |
| Oct | 4.63 | 4.80 | -0.17 |
| Nov | 3.97 | 4.18 | -0.21 |
| Dec | 4.45 | 5.02 | -0.57 |
47.55 | 52.34 | -4.79 |