condition	mean	min	max
4 h after light	12.901250000000001	12.1219	13.6806
8 h after light	9.85115	9.5821	10.1202
12 h after light	11.9586	11.7261	12.1911
4 h after dark	14.26525	13.8096	14.7209
8 h after dark	13.8712	13.4841	14.2583
12 h after dark	15.07885	14.6952	15.4625