| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.34 | 2.43 | -0.09 |
| Feb | 1.96 | 2.05 | -0.09 |
| Mar | 2.70 | 2.69 | 0.01 |
| Apr | 3.97 | 3.92 | 0.05 |
| May | 4.34 | 4.34 | 0.00 |
| Jun | 4.88 | 4.80 | 0.08 |
| Jul | 4.49 | 4.34 | 0.15 |
| Aug | 3.50 | 3.44 | 0.06 |
| Sep | 3.00 | 2.96 | 0.04 |
| Oct | 3.11 | 3.04 | 0.07 |
| Nov | 2.97 | 3.01 | -0.04 |
| Dec | 2.43 | 2.41 | 0.02 |
39.69 | 39.43 | 0.26 |