condition	mean	min	max
4 h after light	4836.661666666667	4333.455	5517.61
8 h after light	6930.556666666666	6316.53	7853.61
12 h after light	10510.667777666667	9748.383333	11456.80333
1.5 h after dark	14684.254446666666	13157.66	17115.09667
5.5 h after dark	13622.36889	12144.16667	14449.00667
9.5 h after dark	8669.837779	6683.05	10352.63667