| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.46 | 7.92 | -0.46 |
| Feb | 5.84 | 6.02 | -0.18 |
| Mar | 6.01 | 5.80 | 0.21 |
| Apr | 3.89 | 3.88 | 0.01 |
| May | 2.33 | 2.41 | -0.08 |
| Jun | 1.25 | 1.30 | -0.05 |
| Jul | 0.33 | 0.32 | 0.01 |
| Aug | 0.40 | 0.40 | 0.00 |
| Sep | 1.43 | 1.54 | -0.11 |
| Oct | 3.88 | 3.85 | 0.03 |
| Nov | 7.18 | 7.53 | -0.35 |
| Dec | 8.88 | 9.37 | -0.49 |
48.88 | 50.34 | -1.46 |