condition mean min max 0 h after light 8.221185 7.76097 8.6814 2 h after light 5.2946349999999995 5.20105 5.38822 4 h after light 6.382215 6.38109 6.38334 8 h after light 6.98614 5.84083 8.13145 12 h after light 7.680524999999999 7.41846 7.94259 2 h after dark 6.97441 6.30019 7.64863 4 h after dark 7.293010000000001 6.77339 7.81263 8 h after dark 10.066279999999999 9.63736 10.4952 12 h after dark 8.315665 8.15111 8.48022