| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.66 | -0.01 |
| Feb | 3.02 | 3.05 | -0.03 |
| Mar | 3.89 | 4.04 | -0.15 |
| Apr | 3.66 | 3.77 | -0.11 |
| May | 3.54 | 3.46 | 0.08 |
| Jun | 4.18 | 4.31 | -0.13 |
| Jul | 4.38 | 4.41 | -0.03 |
| Aug | 4.15 | 4.37 | -0.22 |
| Sep | 4.24 | 4.33 | -0.09 |
| Oct | 3.28 | 3.31 | -0.03 |
| Nov | 3.32 | 3.34 | -0.02 |
| Dec | 3.58 | 3.57 | 0.01 |
44.89 | 45.62 | -0.73 |