condition	mean	min	max
0 h after light	5.8741900000000005	5.42226	6.32612
4 h after light	5.01754	4.96876	5.06632
8 h after light	5.716705	5.64918	5.78423
4 h after dark	7.674575	7.52115	7.828
8 h after dark	6.80445	6.57781	7.03109
12 h after dark	5.75404	5.3141	6.19398