condition	mean	min	max
4 h after light	10.144353333333333	5.43199	15.5069
8 h after light	7.785336666666667	2.26487	13.3821
12 h after light	9.162560000000001	6.67107	10.8383
4 h after dark	14.028033333333333	10.4929	17.2038
8 h after dark	15.5183	11.0975	19.6621
12 h after dark	14.307599999999999	13.1652	16.3099