| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.59 | -0.05 |
| Feb | 3.37 | 3.57 | -0.20 |
| Mar | 3.52 | 3.65 | -0.13 |
| Apr | 3.42 | 3.45 | -0.03 |
| May | 3.73 | 3.87 | -0.14 |
| Jun | 5.32 | 5.31 | 0.01 |
| Jul | 5.28 | 5.72 | -0.44 |
| Aug | 5.68 | 5.91 | -0.23 |
| Sep | 5.07 | 5.17 | -0.10 |
| Oct | 3.85 | 3.84 | 0.01 |
| Nov | 2.97 | 2.98 | -0.01 |
| Dec | 3.66 | 3.73 | -0.07 |
49.41 | 50.79 | -1.38 |