condition	mean	min	max
0 h after light	27.329749999999997	27.3054	27.3541
4 h after light	8.768755	7.70075	9.83676
8 h after light	4.85252	4.28344	5.4216
4 h after dark	15.358450000000001	13.335	17.3819
8 h after dark	19.28555	18.6788	19.8923
12 h after dark	19.13615	17.2214	21.0509