| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.46 | -0.41 |
| Feb | 2.57 | 2.97 | -0.40 |
| Mar | 3.40 | 3.80 | -0.40 |
| Apr | 3.51 | 3.77 | -0.26 |
| May | 3.52 | 3.75 | -0.23 |
| Jun | 4.38 | 4.51 | -0.13 |
| Jul | 4.21 | 4.51 | -0.30 |
| Aug | 4.39 | 4.60 | -0.21 |
| Sep | 4.31 | 4.62 | -0.31 |
| Oct | 4.38 | 4.69 | -0.31 |
| Nov | 3.42 | 3.55 | -0.13 |
| Dec | 3.76 | 4.30 | -0.54 |
44.90 | 48.53 | -3.63 |