condition mean min max 0 h after light 0.0540229 0.0360581 0.0719877 4 h after light 0.165038 0.0 0.330076 8 h after light 0.1277237 0.0356104 0.219837 4 h after dark 0.07091075 0.0353505 0.106471 8 h after dark 0.08922125 0.0354495 0.142993 12 h after dark 0.01797275 0.0 0.0359455