| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.66 | 6.77 | -0.11 |
| Feb | 4.95 | 5.03 | -0.08 |
| Mar | 4.88 | 4.66 | 0.22 |
| Apr | 3.35 | 3.46 | -0.11 |
| May | 2.29 | 2.29 | 0.00 |
| Jun | 1.49 | 1.50 | -0.01 |
| Jul | 0.39 | 0.41 | -0.02 |
| Aug | 0.55 | 0.50 | 0.05 |
| Sep | 1.56 | 1.40 | 0.16 |
| Oct | 3.81 | 3.88 | -0.07 |
| Nov | 6.75 | 6.81 | -0.06 |
| Dec | 7.85 | 8.08 | -0.23 |
44.53 | 44.79 | -0.26 |