| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.32 | -0.01 |
| Feb | 0.44 | 0.44 | 0.00 |
| Mar | 0.84 | 0.85 | -0.01 |
| Apr | 1.84 | 1.84 | 0.00 |
| May | 2.81 | 2.93 | -0.12 |
| Jun | 2.73 | 2.93 | -0.20 |
| Jul | 2.96 | 2.90 | 0.06 |
| Aug | 2.49 | 2.45 | 0.04 |
| Sep | 1.32 | 1.30 | 0.02 |
| Oct | 1.26 | 1.30 | -0.04 |
| Nov | 0.48 | 0.49 | -0.01 |
| Dec | 0.37 | 0.37 | 0.00 |
17.85 | 18.12 | -0.27 |