condition	mean	min	max
0 h after light	21.78855	21.6637	21.9134
4 h after light	13.16545	12.082	14.2489
8 h after light	11.286	11.1252	11.4468
4 h after dark	16.458399999999997	15.7166	17.2002
8 h after dark	18.88865	18.0411	19.7362
12 h after dark	17.3344	14.2246	20.4442