condition	mean	min	max
4 h after light	6.34797	5.75811	6.93783
8 h after light	8.012415	6.69439	9.33044
12 h after light	9.675875000000001	9.17725	10.1745
4 h after dark	21.30925	20.2082	22.4103
8 h after dark	12.149650000000001	10.5174	13.7819
12 h after dark	13.2258	12.4118	14.0398