condition	mean	min	max
4 h after light	4.4121033333333335	4.28336	4.63971
8 h after light	4.435336666666667	4.37299	4.538130000000001
12 h after light	4.44713	4.40862	4.49191
4 h after dark	4.48806	4.36597	4.701569999999999
8 h after dark	4.46764	4.30307	4.63405
12 h after dark	4.481036666666666	4.253769999999999	4.8025199999999995