condition mean min max 3 h after light 6.653283333333333 5.8946 7.63386 6 h after light 7.906363333333333 5.5183 9.66873 9 h after light 7.994529999999999 7.78841 8.11366 12 h after light 10.17292 9.94766 10.3119 3 h after dark 11.09057 9.96411 11.9219 6 h after dark 10.291636666666667 9.42381 10.784 9 h after dark 10.047296666666666 8.41551 12.4038 12 h after dark 9.26923 7.97957 10.0614