| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.55 | -0.02 |
| Feb | 2.97 | 2.97 | 0.00 |
| Mar | 4.09 | 4.03 | 0.06 |
| Apr | 3.63 | 3.66 | -0.03 |
| May | 3.74 | 3.63 | 0.11 |
| Jun | 4.38 | 4.33 | 0.05 |
| Jul | 4.79 | 4.81 | -0.02 |
| Aug | 4.65 | 4.65 | 0.00 |
| Sep | 4.88 | 5.29 | -0.41 |
| Oct | 3.50 | 3.61 | -0.11 |
| Nov | 3.35 | 3.35 | 0.00 |
| Dec | 3.50 | 3.49 | 0.01 |
47.01 | 47.37 | -0.36 |