| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.29 | -0.09 |
| Feb | 1.06 | 1.10 | -0.04 |
| Mar | 1.65 | 1.75 | -0.10 |
| Apr | 2.77 | 2.87 | -0.10 |
| May | 3.25 | 3.38 | -0.13 |
| Jun | 3.82 | 4.01 | -0.19 |
| Jul | 3.59 | 3.69 | -0.10 |
| Aug | 3.20 | 3.18 | 0.02 |
| Sep | 3.45 | 3.49 | -0.04 |
| Oct | 3.08 | 3.09 | -0.01 |
| Nov | 2.04 | 2.09 | -0.05 |
| Dec | 1.49 | 1.57 | -0.08 |
30.60 | 31.51 | -0.91 |