| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.04 | -0.10 |
| Feb | 2.62 | 2.65 | -0.03 |
| Mar | 3.61 | 3.69 | -0.08 |
| Apr | 3.40 | 3.35 | 0.05 |
| May | 4.07 | 4.25 | -0.18 |
| Jun | 4.53 | 4.56 | -0.03 |
| Jul | 4.01 | 4.09 | -0.08 |
| Aug | 3.96 | 3.69 | 0.27 |
| Sep | 4.37 | 4.35 | 0.02 |
| Oct | 3.53 | 3.70 | -0.17 |
| Nov | 3.33 | 3.34 | -0.01 |
| Dec | 3.29 | 3.44 | -0.15 |
43.66 | 44.15 | -0.49 |