| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.45 | -0.12 |
| Feb | 3.18 | 3.27 | -0.09 |
| Mar | 3.41 | 3.52 | -0.11 |
| Apr | 3.31 | 3.38 | -0.07 |
| May | 3.58 | 3.81 | -0.23 |
| Jun | 4.75 | 4.77 | -0.02 |
| Jul | 5.19 | 5.46 | -0.27 |
| Aug | 6.04 | 5.85 | 0.19 |
| Sep | 5.27 | 5.62 | -0.35 |
| Oct | 3.71 | 3.68 | 0.03 |
| Nov | 3.05 | 3.29 | -0.24 |
| Dec | 3.57 | 3.60 | -0.03 |
48.39 | 49.70 | -1.31 |