| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.41 | -0.02 |
| Feb | 2.00 | 2.01 | -0.01 |
| Mar | 2.83 | 2.77 | 0.06 |
| Apr | 4.19 | 4.24 | -0.05 |
| May | 4.42 | 4.35 | 0.07 |
| Jun | 4.74 | 4.73 | 0.01 |
| Jul | 4.07 | 4.04 | 0.03 |
| Aug | 3.14 | 3.08 | 0.06 |
| Sep | 3.04 | 2.94 | 0.10 |
| Oct | 3.37 | 3.37 | 0.00 |
| Nov | 3.30 | 3.35 | -0.05 |
| Dec | 2.34 | 2.53 | -0.19 |
39.83 | 39.82 | 0.01 |