condition	mean	min	max
4 h after light	11.5061	10.5789	12.4333
8 h after light	12.3917	12.3453	12.4381
12 h after light	13.4846	12.6387	14.3305
4 h after dark	18.1922	17.3296	19.0548
8 h after dark	15.20335	15.0645	15.3422
12 h after dark	15.34055	15.0282	15.6529