condition	mean	min	max
4 h after light	15.422215000000001	14.36953	16.4749
8 h after light	16.1821075	15.483146	16.881069
12 h after light	27.007078	19.570217	34.443939
4 h after dark	18.345041	17.435366	19.254716
8 h after dark	17.438515000000002	16.881069	17.995961
12 h after dark	16.024718	16.024718	16.024718