condition	mean	min	max
4 h after light	17.768922500000002	14.768259	20.769586
8 h after light	19.29434	18.918377	19.670303
12 h after light	19.2021095	18.497076	19.907143
4 h after dark	27.7794955	24.097499	31.461492
8 h after dark	25.163189	19.764142	30.562236
12 h after dark	15.887861	15.887861	15.887861