condition	mean	min	max
4 h after light	5.020263333333333	2.87031	7.8539
8 h after light	2.852123333333333	1.13576	4.02668
12 h after light	3.19021	2.23066	4.71371
4 h after dark	12.020863333333333	8.13889	14.7668
8 h after dark	15.454	12.3411	19.2354
12 h after dark	15.4433	13.5517	18.5048