condition	mean	min	max
4 h after light	13.961399499999999	13.937801	13.984998
8 h after light	15.217294500000001	13.984998	16.449591
12 h after light	13.336509	13.127395	13.545623
4 h after dark	12.5859785	11.755993	13.415964
8 h after dark	16.198844	15.637986	16.759702
12 h after dark	13.754961	13.754961	13.754961