condition	mean	min	max
4 h after light	6.0438600000000005	5.31203	6.77569
8 h after light	6.14077	4.20924	8.0723
12 h after light	10.899815	6.10303	15.6966
4 h after dark	11.417373333333334	8.14092	16.6174
8 h after dark	12.727806666666666	6.57166	22.9984
12 h after dark	9.65617	8.53556	11.8307