condition	mean	min	max
4 h after light	22.802918499999997	20.034681	25.571156
8 h after light	15.547608499999999	13.374868	17.720349
12 h after light	18.422970499999998	18.09359	18.752351
4 h after dark	17.383013	16.417913	18.348113
8 h after dark	16.9412805	13.978992	19.903569
12 h after dark	19.973148	19.973148	19.973148