condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0628773 0.0 0.0956014 9 h after light 0.0 0.0 0.0 12 h after light 0.1870681 0.0 0.394353 3 h after dark 0.236257 0.0 0.435112 6 h after dark 0.42526733333333333 0.155645 0.650292 9 h after dark 0.2524826666666667 0.140617 0.319641 12 h after dark 0.0957991 0.0838762 0.107722