condition	mean	min	max
4 h after light	6.523905	5.75227	7.29554
8 h after light	5.0280000000000005	4.95691	5.09909
12 h after light	8.66394	7.96599	9.36189
4 h after dark	14.850200000000001	13.172	15.8208
8 h after dark	14.02135	9.92285	16.9012
12 h after dark	12.234433333333333	11.5537	13.0399