condition	mean	min	max
0 h after light	7.886285000000001	7.77123	8.00134
4 h after light	12.316600000000001	11.4375	13.1957
8 h after light	13.305700000000002	12.1956	14.4158
4 h after dark	27.253249999999998	22.473	32.0335
8 h after dark	21.3467	20.689	22.0044
12 h after dark	10.90513	8.94646	12.8638