| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.75 | -0.14 |
| Feb | 0.79 | 0.81 | -0.02 |
| Mar | 1.43 | 1.52 | -0.09 |
| Apr | 2.75 | 2.77 | -0.02 |
| May | 3.81 | 4.10 | -0.29 |
| Jun | 4.79 | 5.08 | -0.29 |
| Jul | 3.73 | 3.68 | 0.05 |
| Aug | 3.59 | 3.90 | -0.31 |
| Sep | 3.10 | 3.10 | 0.00 |
| Oct | 2.22 | 2.34 | -0.12 |
| Nov | 1.32 | 1.38 | -0.06 |
| Dec | 0.94 | 1.02 | -0.08 |
29.08 | 30.45 | -1.37 |