condition	mean	min	max
4 h after light	4778.127778	3937.816667	6427.42
8 h after light	8266.548333333334	7618.006667	8716.555
12 h after light	6903.822222	6589.033333	7510.753333
1.5 h after dark	4223.03	3653.546667	4930.403333
5.5 h after dark	3026.591111333333	2807.416667	3226.366667
9.5 h after dark	3306.281111	2498.18	3977.22