| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.84 | -0.19 |
| Feb | 2.98 | 3.12 | -0.14 |
| Mar | 3.85 | 4.05 | -0.20 |
| Apr | 3.96 | 4.33 | -0.37 |
| May | 4.15 | 4.19 | -0.04 |
| Jun | 4.40 | 4.52 | -0.12 |
| Jul | 4.34 | 4.72 | -0.38 |
| Aug | 4.32 | 4.68 | -0.36 |
| Sep | 4.08 | 4.23 | -0.15 |
| Oct | 3.37 | 3.43 | -0.06 |
| Nov | 3.23 | 3.33 | -0.10 |
| Dec | 3.75 | 4.00 | -0.25 |
46.08 | 48.44 | -2.36 |