condition	mean	min	max
4 h after light	13.299326	12.487487	14.111165
8 h after light	11.867776	11.671135	12.064417
12 h after light	13.6898315	12.31589	15.063773
4 h after dark	16.341725	15.862129	16.821321
8 h after dark	13.8273345	12.616998	15.037671
12 h after dark	14.121076	14.121076	14.121076