condition	mean	min	max
4 h after light	13.974699999999999	13.8037	14.1457
8 h after light	9.968544999999999	9.89479	10.0423
12 h after light	11.8519	11.5322	12.1716
4 h after dark	13.98775	13.2335	14.742
8 h after dark	15.24655	15.1434	15.3497
12 h after dark	16.1291	15.9708	16.2874