| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.59 | -0.18 |
| Feb | 3.03 | 3.08 | -0.05 |
| Mar | 3.68 | 3.79 | -0.11 |
| Apr | 3.41 | 3.42 | -0.01 |
| May | 3.45 | 3.39 | 0.06 |
| Jun | 4.42 | 4.58 | -0.16 |
| Jul | 4.58 | 5.40 | -0.82 |
| Aug | 4.23 | 4.75 | -0.52 |
| Sep | 5.07 | 5.32 | -0.25 |
| Oct | 3.37 | 3.41 | -0.04 |
| Nov | 3.40 | 3.38 | 0.02 |
| Dec | 3.54 | 3.56 | -0.02 |
45.59 | 47.67 | -2.08 |