condition	mean	min	max
0 h after light	9.624545000000001	9.56853	9.68056
4 h after light	6.223735	5.98122	6.46625
8 h after light	5.961685	5.47457	6.4488
4 h after dark	7.897349999999999	7.33137	8.46333
8 h after dark	9.244589999999999	9.19516	9.29402
12 h after dark	9.344885	8.72144	9.96833