| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.52 | 0.01 |
| Feb | 3.01 | 2.83 | 0.18 |
| Mar | 3.98 | 3.98 | 0.00 |
| Apr | 3.52 | 3.48 | 0.04 |
| May | 3.49 | 3.34 | 0.15 |
| Jun | 4.26 | 4.24 | 0.02 |
| Jul | 5.08 | 4.76 | 0.32 |
| Aug | 5.07 | 5.02 | 0.05 |
| Sep | 5.40 | 5.45 | -0.05 |
| Oct | 3.35 | 3.36 | -0.01 |
| Nov | 3.22 | 3.15 | 0.07 |
| Dec | 3.34 | 3.33 | 0.01 |
47.25 | 46.46 | 0.79 |