condition mean min max 0 h after light 54.920950000000005 46.9745 62.8674 4 h after light 23.5513 23.0316 24.071 8 h after light 24.92035 22.6792 27.1615 4 h after dark 42.3869 38.8777 45.8961 8 h after dark 40.7526 36.9986 44.5066 12 h after dark 42.06825 39.9976 44.1389