| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 3.06 | -0.38 |
| Feb | 2.30 | 2.79 | -0.49 |
| Mar | 2.90 | 3.37 | -0.47 |
| Apr | 3.54 | 3.76 | -0.22 |
| May | 3.90 | 4.00 | -0.10 |
| Jun | 4.34 | 4.89 | -0.55 |
| Jul | 4.23 | 4.52 | -0.29 |
| Aug | 3.99 | 4.25 | -0.26 |
| Sep | 3.67 | 3.89 | -0.22 |
| Oct | 4.20 | 4.46 | -0.26 |
| Nov | 3.29 | 3.79 | -0.50 |
| Dec | 3.18 | 3.74 | -0.56 |
42.22 | 46.52 | -4.30 |