condition	mean	min	max
0 h after light	12.42765	11.6809	13.1744
4 h after light	11.1659	10.4511	11.8807
8 h after light	8.046335	7.55315	8.53952
4 h after dark	12.746655	9.81571	15.6776
8 h after dark	13.02665	12.3325	13.7208
12 h after dark	13.827	13.1567	14.4973