| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 3.77 | 0.03 |
| Feb | 3.31 | 3.39 | -0.08 |
| Mar | 4.15 | 4.20 | -0.05 |
| Apr | 4.03 | 4.02 | 0.01 |
| May | 4.68 | 4.83 | -0.15 |
| Jun | 5.00 | 4.75 | 0.25 |
| Jul | 4.96 | 5.20 | -0.24 |
| Aug | 3.81 | 3.83 | -0.02 |
| Sep | 3.72 | 3.66 | 0.06 |
| Oct | 3.35 | 3.33 | 0.02 |
| Nov | 3.20 | 3.20 | 0.00 |
| Dec | 3.89 | 3.88 | 0.01 |
47.90 | 48.06 | -0.16 |