| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 5.22 | -0.54 |
| Feb | 4.34 | 4.51 | -0.17 |
| Mar | 4.75 | 4.83 | -0.08 |
| Apr | 4.56 | 4.52 | 0.04 |
| May | 4.08 | 3.86 | 0.22 |
| Jun | 4.90 | 4.78 | 0.12 |
| Jul | 4.69 | 4.98 | -0.29 |
| Aug | 5.18 | 5.37 | -0.19 |
| Sep | 4.52 | 4.30 | 0.22 |
| Oct | 3.87 | 3.89 | -0.02 |
| Nov | 4.09 | 4.03 | 0.06 |
| Dec | 5.32 | 5.25 | 0.07 |
54.98 | 55.54 | -0.56 |