| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.27 | -0.27 |
| Feb | 2.39 | 2.74 | -0.35 |
| Mar | 3.05 | 3.45 | -0.40 |
| Apr | 3.40 | 3.49 | -0.09 |
| May | 3.60 | 3.75 | -0.15 |
| Jun | 4.52 | 4.54 | -0.02 |
| Jul | 4.22 | 4.46 | -0.24 |
| Aug | 4.24 | 4.65 | -0.41 |
| Sep | 4.52 | 4.45 | 0.07 |
| Oct | 4.15 | 4.51 | -0.36 |
| Nov | 3.19 | 3.38 | -0.19 |
| Dec | 3.51 | 4.10 | -0.59 |
43.79 | 46.79 | -3.00 |