condition	mean	min	max
4 h after light	13.78925	12.8619	14.7166
8 h after light	12.27995	12.1602	12.3997
12 h after light	13.670200000000001	12.3443	14.9961
4 h after dark	14.809899999999999	14.1733	15.4465
8 h after dark	15.111699999999999	14.7738	15.4496
12 h after dark	15.660599999999999	15.5809	15.7403