condition	mean	min	max
3 h after light	3.9409691666666666	2.31595	5.31379
7 h after light	3.7096725	2.23926	5.8601
11 h after light	3.9806383333333333	2.80085	5.04559
2 h after dark	4.593169166666667	3.14357	6.47643
6 h after dark	5.036555833333334	2.96458	7.96109
10 h after dark	4.88436	2.36923	7.18737