| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.08 | -0.01 |
| Feb | 2.74 | 2.77 | -0.03 |
| Mar | 3.37 | 3.22 | 0.15 |
| Apr | 2.66 | 2.75 | -0.09 |
| May | 3.57 | 3.56 | 0.01 |
| Jun | 7.15 | 7.46 | -0.31 |
| Jul | 6.41 | 6.49 | -0.08 |
| Aug | 7.30 | 7.15 | 0.15 |
| Sep | 6.80 | 6.74 | 0.06 |
| Oct | 4.05 | 3.64 | 0.41 |
| Nov | 2.32 | 2.27 | 0.05 |
| Dec | 2.82 | 2.57 | 0.25 |
52.26 | 51.70 | 0.56 |