| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.54 | -0.03 |
| Feb | 0.54 | 0.57 | -0.03 |
| Mar | 1.26 | 1.31 | -0.05 |
| Apr | 1.72 | 1.82 | -0.10 |
| May | 2.71 | 2.85 | -0.14 |
| Jun | 3.29 | 3.36 | -0.07 |
| Jul | 3.13 | 3.10 | 0.03 |
| Aug | 2.85 | 2.96 | -0.11 |
| Sep | 1.42 | 1.41 | 0.01 |
| Oct | 1.75 | 1.85 | -0.10 |
| Nov | 0.63 | 0.66 | -0.03 |
| Dec | 0.78 | 0.88 | -0.10 |
20.59 | 21.31 | -0.72 |