condition mean min max 4 h after light 10.087939500000001 9.615892 10.559987 8 h after light 10.456468000000001 9.838465 11.074471 12 h after light 10.3595 9.506017 11.212983 4 h after dark 11.393749 10.331801 12.455697 8 h after dark 9.9625935 9.89878 10.026407 12 h after dark 10.331801 10.331801 10.331801