condition	mean	min	max
4 h after light	4.633945	3.43711	5.83078
8 h after light	5.333270000000001	4.91682	5.74972
12 h after light	6.98379	6.73823	7.22935
4 h after dark	6.71779	6.25664	7.17663
8 h after dark	6.10729	4.99475	7.22452
12 h after dark	6.173913333333333	5.11376	7.18916