| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 3.02 | -0.21 |
| Feb | 2.37 | 2.38 | -0.01 |
| Mar | 3.27 | 3.27 | 0.00 |
| Apr | 3.68 | 3.82 | -0.14 |
| May | 3.85 | 4.10 | -0.25 |
| Jun | 4.53 | 4.54 | -0.01 |
| Jul | 4.33 | 3.92 | 0.41 |
| Aug | 3.55 | 3.69 | -0.14 |
| Sep | 3.31 | 3.32 | -0.01 |
| Oct | 3.03 | 3.07 | -0.04 |
| Nov | 2.77 | 2.86 | -0.09 |
| Dec | 2.91 | 2.97 | -0.06 |
40.41 | 40.96 | -0.55 |