| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.09 | -0.09 |
| Feb | 3.43 | 3.65 | -0.22 |
| Mar | 4.19 | 4.23 | -0.04 |
| Apr | 4.27 | 4.35 | -0.08 |
| May | 4.96 | 5.00 | -0.04 |
| Jun | 4.69 | 5.06 | -0.37 |
| Jul | 5.05 | 5.32 | -0.27 |
| Aug | 4.19 | 4.46 | -0.27 |
| Sep | 3.77 | 3.61 | 0.16 |
| Oct | 3.56 | 3.55 | 0.01 |
| Nov | 3.23 | 3.35 | -0.12 |
| Dec | 4.09 | 4.05 | 0.04 |
49.43 | 50.72 | -1.29 |