condition	mean	min	max
4 h after light	10.659835000000001	9.64967	11.67
8 h after light	7.501239999999999	7.19492	7.80756
12 h after light	9.36744	8.58698	10.1479
4 h after dark	15.048000000000002	13.9623	16.1337
8 h after dark	14.1135	13.7944	14.4326
12 h after dark	13.72035	12.5775	14.8632