condition	mean	min	max
0 h after light	15.202100000000002	14.8588	15.5454
4 h after light	22.1341	17.826	26.4422
8 h after light	6.543705	5.8133	7.27411
4 h after dark	6.52928	6.43812	6.62044
8 h after dark	13.51875	12.6787	14.3588
12 h after dark	14.8791	14.5628	15.1954