condition	mean	min	max
3 h after light	11.0531	10.7084	11.6376
6 h after light	9.406039999999999	8.20521	11.4779
9 h after light	8.4666	7.88927	8.95642
12 h after light	9.81934	8.76574	10.7285
3 h after dark	18.036566666666666	16.3865	20.8447
6 h after dark	20.287033333333333	19.5314	20.8904
9 h after dark	15.653566666666666	15.0353	16.0862
12 h after dark	14.698899999999998	12.2553	17.1425