| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.07 | -0.08 |
| Feb | 2.63 | 2.72 | -0.09 |
| Mar | 3.79 | 3.89 | -0.10 |
| Apr | 3.45 | 3.42 | 0.03 |
| May | 4.26 | 4.35 | -0.09 |
| Jun | 4.30 | 4.33 | -0.03 |
| Jul | 4.51 | 4.37 | 0.14 |
| Aug | 3.89 | 3.83 | 0.06 |
| Sep | 4.31 | 4.41 | -0.10 |
| Oct | 3.88 | 3.99 | -0.11 |
| Nov | 3.10 | 3.19 | -0.09 |
| Dec | 3.68 | 3.73 | -0.05 |
44.79 | 45.30 | -0.51 |