condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.13564566666666666 0.0 0.406937 9 h after light 0.0 0.0 0.0 12 h after light 0.0461645 0.0 0.184658 3 h after dark 0.0 0.0 0.0 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