condition	mean	min	max
4 h after light	27.15385	23.885	30.4227
8 h after light	13.0313	11.6157	14.4469
12 h after light	12.626100000000001	11.6582	13.594
4 h after dark	17.31523333333333	15.3134	18.8468
8 h after dark	32.63766666666667	31.0845	35.5775
12 h after dark	30.386066666666668	28.1233	31.9955