condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0270349 0.0 0.0811047 9 h after light 0.035632000000000004 0.0 0.106896 12 h after light 0.05958766666666667 0.0 0.178763 3 h after dark 0.030587133333333336 0.0 0.0917614 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0