condition mean min max 0 h after light 3.6535900000000003 3.12846 4.17872 4 h after light 0.605494 0.354185 0.856803 8 h after light 0.1744365 0.171952 0.176921 4 h after dark 0.5994634999999999 0.170697 1.02823 8 h after dark 0.688305 0.513524 0.863086 12 h after dark 2.407295 2.03747 2.77712