condition mean min max 4 h after light 159.9761 138.981 182.6841 8 h after light 132.4518 102.7547 159.5661 12 h after light 73.33190666666667 49.90518 94.25569 16 h after light 102.67026333333332 75.90629 126.5182 4 h after dark 91.00848666666667 88.5891 92.85221999999999 8 h after dark 138.28936666666667 129.5437 152.0933