condition	mean	min	max
3 h after light	17.981725	14.0552	22.7682
7 h after light	16.3591625	9.73485	21.6995
11 h after light	19.05775	15.2969	22.5691
2 h after dark	17.309441666666668	15.3756	20.8424
6 h after dark	17.055325	11.6729	19.5949
10 h after dark	17.710766666666668	13.3086	20.36