| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.33 | -0.06 |
| Feb | 1.38 | 1.43 | -0.05 |
| Mar | 2.10 | 2.09 | 0.01 |
| Apr | 3.77 | 3.82 | -0.05 |
| May | 4.30 | 4.30 | 0.00 |
| Jun | 5.39 | 5.53 | -0.14 |
| Jul | 4.53 | 4.43 | 0.10 |
| Aug | 4.04 | 4.10 | -0.06 |
| Sep | 3.72 | 3.81 | -0.09 |
| Oct | 3.00 | 2.93 | 0.07 |
| Nov | 2.31 | 2.26 | 0.05 |
| Dec | 1.62 | 1.69 | -0.07 |
37.43 | 37.72 | -0.29 |