| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.67 | -0.08 |
| Feb | 2.23 | 2.34 | -0.11 |
| Mar | 3.33 | 3.40 | -0.07 |
| Apr | 4.75 | 4.83 | -0.08 |
| May | 5.02 | 5.07 | -0.05 |
| Jun | 4.30 | 4.59 | -0.29 |
| Jul | 4.17 | 4.23 | -0.06 |
| Aug | 3.34 | 3.66 | -0.32 |
| Sep | 3.25 | 3.18 | 0.07 |
| Oct | 3.20 | 3.24 | -0.04 |
| Nov | 3.49 | 3.54 | -0.05 |
| Dec | 2.64 | 2.66 | -0.02 |
42.31 | 43.41 | -1.10 |