condition	mean	min	max
4 h after light	14.4775185	13.720212	15.234825
8 h after light	14.825172	14.791008	14.859336
12 h after light	15.131796000000001	12.707779	17.555813
4 h after dark	16.475851	16.009614	16.942088
8 h after dark	17.962145999999997	16.009614	19.914678
12 h after dark	18.808041	18.808041	18.808041