condition	mean	min	max
4 h after light	6.9272	6.53728	7.31712
8 h after light	7.77188	7.65507	7.88869
12 h after light	10.766	10.484	11.048
4 h after dark	14.19295	13.8885	14.4974
8 h after dark	13.107	13.0392	13.1748
12 h after dark	10.7259	10.2248	11.227