| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.31 | 1.36 | -0.05 |
| Feb | 1.62 | 1.75 | -0.13 |
| Mar | 2.57 | 2.67 | -0.10 |
| Apr | 4.19 | 4.22 | -0.03 |
| May | 5.50 | 5.67 | -0.17 |
| Jun | 5.06 | 5.37 | -0.31 |
| Jul | 4.79 | 4.89 | -0.10 |
| Aug | 4.28 | 4.33 | -0.05 |
| Sep | 4.05 | 4.36 | -0.31 |
| Oct | 3.33 | 3.40 | -0.07 |
| Nov | 2.30 | 2.30 | 0.00 |
| Dec | 1.82 | 1.77 | 0.05 |
40.82 | 42.09 | -1.27 |