| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.59 | 0.08 |
| Feb | 0.63 | 0.59 | 0.04 |
| Mar | 1.26 | 1.22 | 0.04 |
| Apr | 2.30 | 2.28 | 0.02 |
| May | 3.31 | 3.23 | 0.08 |
| Jun | 4.33 | 4.42 | -0.09 |
| Jul | 4.38 | 4.19 | 0.19 |
| Aug | 3.59 | 3.48 | 0.11 |
| Sep | 2.90 | 2.90 | 0.00 |
| Oct | 2.61 | 2.56 | 0.05 |
| Nov | 1.12 | 1.07 | 0.05 |
| Dec | 0.79 | 0.84 | -0.05 |
27.89 | 27.37 | 0.52 |