condition	mean	min	max
0 h after light	7.27513	6.90201	7.64825
4 h after light	7.662125	6.99509	8.32916
8 h after light	6.90698	6.86663	6.94733
4 h after dark	10.6234	10.1131	11.1337
8 h after dark	7.817315000000001	7.73571	7.89892
12 h after dark	7.04452	6.96976	7.11928