condition	mean	min	max
4 h after light	18.541984499999998	17.353377	19.730592
8 h after light	18.8556755	17.87815	19.833201
12 h after light	17.1665505	16.977437	17.355664
4 h after dark	18.199908	18.090409	18.309407
8 h after dark	18.4672205	17.625253	19.309188
12 h after dark	22.763095	22.763095	22.763095