condition mean min max 4 h after light 4.293735 3.23829 5.34918 8 h after light 4.0983350000000005 4.01847 4.1782 12 h after light 4.434825 4.41245 4.4572 4 h after dark 5.336886666666667 4.23147 5.89337 8 h after dark 5.1069933333333335 4.1333 6.36893 12 h after dark 5.229806666666667 4.74933 5.54033