condition	mean	min	max
4 h after light	15.701350000000001	14.7036	16.6991
8 h after light	19.9219	19.4655	20.3783
12 h after light	19.7502	16.2732	23.2272
4 h after dark	16.494266666666668	15.2709	17.4597
8 h after dark	13.3404	11.5868	14.8358
12 h after dark	11.958833333333333	10.8692	13.5101