| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.81 | 4.78 | 0.03 |
| Feb | 4.75 | 4.82 | -0.07 |
| Mar | 4.93 | 5.00 | -0.07 |
| Apr | 4.10 | 4.23 | -0.13 |
| May | 3.77 | 3.72 | 0.05 |
| Jun | 4.39 | 4.31 | 0.08 |
| Jul | 5.00 | 4.94 | 0.06 |
| Aug | 4.23 | 4.31 | -0.08 |
| Sep | 3.72 | 3.87 | -0.15 |
| Oct | 3.38 | 3.41 | -0.03 |
| Nov | 4.12 | 4.15 | -0.03 |
| Dec | 4.73 | 4.78 | -0.05 |
51.93 | 52.32 | -0.39 |