condition	mean	min	max
4 h after light	17.553117999999998	16.746989	18.359247
8 h after light	16.125822	15.312018	16.939626
12 h after light	14.675609999999999	14.520482	14.830738
4 h after dark	11.735461	11.064788	12.406134
8 h after dark	10.969456999999998	9.177451	12.761463
12 h after dark	21.009167	21.009167	21.009167