| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.34 | 0.01 |
| Feb | 0.51 | 0.52 | -0.01 |
| Mar | 0.90 | 0.96 | -0.06 |
| Apr | 2.04 | 2.07 | -0.03 |
| May | 3.09 | 3.23 | -0.14 |
| Jun | 3.07 | 3.34 | -0.27 |
| Jul | 3.15 | 3.27 | -0.12 |
| Aug | 2.33 | 2.45 | -0.12 |
| Sep | 1.47 | 1.45 | 0.02 |
| Oct | 1.47 | 1.52 | -0.05 |
| Nov | 0.49 | 0.49 | 0.00 |
| Dec | 0.39 | 0.39 | 0.00 |
19.26 | 20.03 | -0.77 |