condition mean min max 4 h after light 2.882974 2.7631 3.0066759999999997 8 h after light 4.285633333333333 1.589777 7.620399000000001 12 h after light 1.8431126666666666 1.374098 2.7551759999999996 16 h after light 3.152956 2.637915 4.00255 4 h after dark 6.435295333333333 4.9113370000000005 7.763589 8 h after dark 2.0603409999999998 1.5590959999999998 3.0152959999999998