condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.07001249999999999 0.0 0.155626 2 h after dark 0.03338533333333333 0.0 0.200312