condition	mean	min	max
4 h after light	5.681134999999999	5.29052	6.07175
8 h after light	5.679665	4.72648	6.63285
12 h after light	5.99819	5.45416	6.54222
4 h after dark	6.3009200000000005	5.9096	6.66406
8 h after dark	6.62756	5.88382	7.1579
12 h after dark	6.497016666666666	4.94921	7.39379