| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 4.79 | 0.07 |
| Feb | 4.82 | 4.79 | 0.03 |
| Mar | 5.05 | 4.89 | 0.16 |
| Apr | 4.20 | 4.19 | 0.01 |
| May | 4.08 | 4.06 | 0.02 |
| Jun | 4.46 | 4.24 | 0.22 |
| Jul | 4.78 | 4.70 | 0.08 |
| Aug | 4.37 | 4.34 | 0.03 |
| Sep | 4.12 | 4.05 | 0.07 |
| Oct | 3.55 | 3.52 | 0.03 |
| Nov | 4.29 | 4.22 | 0.07 |
| Dec | 4.78 | 4.70 | 0.08 |
53.36 | 52.49 | 0.87 |