| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.50 | -0.48 |
| Feb | 2.39 | 2.78 | -0.39 |
| Mar | 2.85 | 3.19 | -0.34 |
| Apr | 3.39 | 3.59 | -0.20 |
| May | 3.63 | 3.97 | -0.34 |
| Jun | 4.07 | 4.41 | -0.34 |
| Jul | 4.14 | 4.53 | -0.39 |
| Aug | 3.98 | 4.30 | -0.32 |
| Sep | 3.77 | 3.98 | -0.21 |
| Oct | 4.23 | 4.44 | -0.21 |
| Nov | 3.41 | 3.78 | -0.37 |
| Dec | 3.19 | 3.69 | -0.50 |
42.07 | 46.16 | -4.09 |