condition	mean	min	max
4 h after light	21.518349999999998	21.3598	21.6769
8 h after light	15.65625	15.6504	15.6621
12 h after light	17.62125	17.5289	17.7136
4 h after dark	21.585966666666668	20.7227	23.0708
8 h after dark	24.7934	23.3925	25.9564
12 h after dark	23.799633333333333	22.566	24.8414