condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.179636 0.0 0.379733 9 h after light 0.07902866666666666 0.0 0.237086 12 h after light 0.33272199999999996 0.0 0.792554 3 h after dark 0.12325833333333333 0.0 0.203538 6 h after dark 0.179709 0.155746 0.20962 9 h after dark 0.05863833333333333 0.0 0.175915 12 h after dark 0.0 0.0 0.0