| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.69 | -0.26 |
| Feb | 1.44 | 1.43 | 0.01 |
| Mar | 1.51 | 1.47 | 0.04 |
| Apr | 1.77 | 1.96 | -0.19 |
| May | 1.57 | 1.82 | -0.25 |
| Jun | 0.88 | 0.98 | -0.10 |
| Jul | 1.28 | 1.25 | 0.03 |
| Aug | 1.36 | 1.28 | 0.08 |
| Sep | 1.66 | 1.75 | -0.09 |
| Oct | 1.62 | 1.65 | -0.03 |
| Nov | 1.36 | 1.43 | -0.07 |
| Dec | 1.34 | 1.36 | -0.02 |
17.22 | 18.07 | -0.85 |