condition	mean	min	max
4 h after light	8.288170000000001	6.18594	10.3904
8 h after light	11.244475000000001	9.01965	13.4693
12 h after light	21.52725	18.5065	24.548
4 h after dark	28.052799999999998	27.349	28.7566
8 h after dark	18.8506	14.2838	23.4174
12 h after dark	10.54615	10.4518	10.6405