| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.31 | 0.02 |
| Feb | 0.35 | 0.39 | -0.04 |
| Mar | 0.78 | 0.80 | -0.02 |
| Apr | 1.44 | 1.54 | -0.10 |
| May | 2.35 | 2.37 | -0.02 |
| Jun | 2.27 | 2.35 | -0.08 |
| Jul | 2.82 | 2.85 | -0.03 |
| Aug | 2.61 | 2.77 | -0.16 |
| Sep | 1.05 | 1.08 | -0.03 |
| Oct | 0.91 | 0.97 | -0.06 |
| Nov | 0.43 | 0.43 | 0.00 |
| Dec | 0.28 | 0.32 | -0.04 |
15.62 | 16.18 | -0.56 |