condition mean min max 4 h after light 1.983085 1.85794 2.10823 8 h after light 2.324095 2.2426 2.40559 12 h after light 1.6437599999999999 1.55741 1.73011 4 h after dark 3.4305666666666665 2.07233 5.69125 8 h after dark 2.5410500000000003 1.14094 4.00447 12 h after dark 2.3661766666666666 0.0 4.41549