condition mean min max 4 h after light 6.22809 4.81244 7.64374 8 h after light 7.5289399999999995 6.7615 8.29638 12 h after light 6.54688 6.42306 6.6707 4 h after dark 6.858836666666667 5.60144 7.53783 8 h after dark 6.76574 5.47149 8.19672 12 h after dark 6.54961 5.52343 7.20538