condition	mean	min	max
4 h after light	7.15147	6.38312	7.91982
8 h after light	5.859535	5.59746	6.12161
12 h after light	8.06107	8.04521	8.07693
4 h after dark	9.97557	9.61104	10.3401
8 h after dark	9.845759999999999	9.73218	9.95934
12 h after dark	9.13336	8.80444	9.46228