condition	mean	min	max
4 h after light	15.703826	14.645964	16.761688
8 h after light	14.3956695	11.990024	16.801315
12 h after light	16.2127965	14.984206	17.441387
4 h after dark	14.197635	14.144664	14.250606
8 h after dark	14.298541499999999	13.612877	14.984206
12 h after dark	18.777244	18.777244	18.777244