condition mean min max 4 h after light 4.458407666666666 2.7836060000000002 7.704428999999999 8 h after light 2.205659333333333 1.532123 2.6099799999999997 12 h after light 1.5527123333333332 1.412094 1.702796 16 h after light 2.9616890000000002 2.598059 3.420299 4 h after dark 2.3776686666666667 2.237556 2.6492709999999997 8 h after dark 1.55926 1.517615 1.608629