| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.26 | 0.26 | 0.00 |
| Feb | 0.38 | 0.36 | 0.02 |
| Mar | 0.71 | 0.72 | -0.01 |
| Apr | 1.42 | 1.34 | 0.08 |
| May | 2.21 | 2.08 | 0.13 |
| Jun | 2.37 | 2.30 | 0.07 |
| Jul | 3.40 | 3.31 | 0.09 |
| Aug | 2.66 | 2.72 | -0.06 |
| Sep | 1.04 | 0.97 | 0.07 |
| Oct | 1.17 | 1.15 | 0.02 |
| Nov | 0.42 | 0.39 | 0.03 |
| Dec | 0.34 | 0.30 | 0.04 |
16.38 | 15.90 | 0.48 |