condition	mean	min	max
4 h after light	16.4374	14.7778	18.097
8 h after light	16.4906	15.2234	17.7578
12 h after light	16.63895	15.4565	17.8214
4 h after dark	24.745199999999997	23.2046	26.2858
8 h after dark	22.48975	22.2545	22.725
12 h after dark	20.05835	19.722	20.3947