condition	mean	min	max
4 h after light	10.508804999999999	8.70031	12.3173
8 h after light	7.93428	6.97716	8.8914
12 h after light	14.2656	12.0567	16.4745
4 h after dark	13.94205	11.8144	16.0697
8 h after dark	14.127600000000001	13.1879	15.0673
12 h after dark	12.6434	11.9367	13.3501