| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.63 | 4.81 | -0.18 |
| Feb | 4.31 | 4.48 | -0.17 |
| Mar | 5.05 | 5.09 | -0.04 |
| Apr | 5.00 | 5.12 | -0.12 |
| May | 4.42 | 4.51 | -0.09 |
| Jun | 4.40 | 4.52 | -0.12 |
| Jul | 3.49 | 3.51 | -0.02 |
| Aug | 3.31 | 3.32 | -0.01 |
| Sep | 3.52 | 3.65 | -0.13 |
| Oct | 4.57 | 4.69 | -0.12 |
| Nov | 4.24 | 4.37 | -0.13 |
| Dec | 4.96 | 5.20 | -0.24 |
51.90 | 53.27 | -1.37 |