condition	mean	min	max
3 h after light	9.07789	8.6596	9.68482
6 h after light	7.890243333333333	7.21864	8.45811
9 h after light	9.82848	9.4623	10.2627
12 h after light	11.1235	10.8013	11.4912
3 h after dark	15.4107	13.6039	16.5946
6 h after dark	14.219800000000001	13.8382	14.8581
9 h after dark	11.6253	11.1015	11.9397
12 h after dark	9.35184	7.41092	11.9096