| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.48 | -0.09 |
| Feb | 2.81 | 2.90 | -0.09 |
| Mar | 3.71 | 3.69 | 0.02 |
| Apr | 3.63 | 3.84 | -0.21 |
| May | 4.33 | 4.41 | -0.08 |
| Jun | 4.49 | 4.49 | 0.00 |
| Jul | 4.23 | 4.08 | 0.15 |
| Aug | 3.53 | 3.49 | 0.04 |
| Sep | 4.25 | 4.48 | -0.23 |
| Oct | 3.32 | 3.40 | -0.08 |
| Nov | 3.13 | 3.18 | -0.05 |
| Dec | 3.48 | 3.59 | -0.11 |
44.30 | 45.03 | -0.73 |