| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.43 | -0.07 |
| Feb | 1.83 | 1.84 | -0.01 |
| Mar | 2.11 | 2.10 | 0.01 |
| Apr | 2.29 | 2.38 | -0.09 |
| May | 3.59 | 3.16 | 0.43 |
| Jun | 8.20 | 9.03 | -0.83 |
| Jul | 8.19 | 8.82 | -0.63 |
| Aug | 8.59 | 9.83 | -1.24 |
| Sep | 7.91 | 8.69 | -0.78 |
| Oct | 3.42 | 3.37 | 0.05 |
| Nov | 1.83 | 1.74 | 0.09 |
| Dec | 1.88 | 1.91 | -0.03 |
52.20 | 55.30 | -3.10 |