condition	mean	min	max
3 h after light	12.207266666666667	10.1645	15.2717
6 h after light	12.2279	11.3104	12.8996
9 h after light	15.0501	14.2092	15.7039
12 h after light	16.223575	13.4197	18.3792
3 h after dark	22.862566666666666	19.8572	24.709
6 h after dark	18.1364	16.7507	19.4901
9 h after dark	16.42343333333333	11.2511	19.7415
12 h after dark	13.43965	11.2463	15.633