| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.52 | -0.09 |
| Feb | 3.22 | 3.25 | -0.03 |
| Mar | 3.43 | 3.54 | -0.11 |
| Apr | 3.29 | 3.44 | -0.15 |
| May | 3.67 | 3.80 | -0.13 |
| Jun | 4.75 | 4.80 | -0.05 |
| Jul | 5.28 | 5.68 | -0.40 |
| Aug | 5.56 | 5.68 | -0.12 |
| Sep | 4.97 | 5.06 | -0.09 |
| Oct | 3.39 | 3.59 | -0.20 |
| Nov | 2.99 | 3.02 | -0.03 |
| Dec | 3.65 | 3.73 | -0.08 |
47.63 | 49.11 | -1.48 |