| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.51 | 0.00 |
| Feb | 0.73 | 0.73 | 0.00 |
| Mar | 1.26 | 1.29 | -0.03 |
| Apr | 1.97 | 2.03 | -0.06 |
| May | 3.55 | 3.52 | 0.03 |
| Jun | 3.16 | 3.17 | -0.01 |
| Jul | 3.65 | 3.55 | 0.10 |
| Aug | 3.02 | 3.03 | -0.01 |
| Sep | 1.77 | 1.83 | -0.06 |
| Oct | 1.61 | 1.66 | -0.05 |
| Nov | 0.83 | 0.84 | -0.01 |
| Dec | 0.77 | 0.84 | -0.07 |
22.83 | 23.00 | -0.17 |