| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.64 | -0.06 |
| Feb | 0.82 | 0.82 | 0.00 |
| Mar | 1.46 | 1.49 | -0.03 |
| Apr | 2.92 | 2.99 | -0.07 |
| May | 3.80 | 3.78 | 0.02 |
| Jun | 4.58 | 4.49 | 0.09 |
| Jul | 3.39 | 3.46 | -0.07 |
| Aug | 3.35 | 3.37 | -0.02 |
| Sep | 2.96 | 2.85 | 0.11 |
| Oct | 2.30 | 2.30 | 0.00 |
| Nov | 1.20 | 1.29 | -0.09 |
| Dec | 0.84 | 0.89 | -0.05 |
28.20 | 28.37 | -0.17 |