condition mean min max 0 h after light 7.267205 7.17097 7.36344 2 h after light 2.399045 2.32089 2.4772 4 h after light 2.216215 1.40584 3.02659 8 h after light 3.1834499999999997 2.84835 3.51855 12 h after light 3.8204599999999997 3.65202 3.9889 2 h after dark 5.62289 5.56536 5.68042 4 h after dark 7.829865 7.81319 7.84654 8 h after dark 11.74225 10.9197 12.5648 12 h after dark 9.748204999999999 9.30331 10.1931