condition	mean	min	max
4 h after light	9.465084999999998	8.90167	10.0285
8 h after light	8.116285	7.71812	8.51445
12 h after light	6.093095	5.84544	6.34075
4 h after dark	7.616474999999999	7.22458	8.00837
8 h after dark	7.541125	7.42931	7.65294
12 h after dark	9.04885	8.60983	9.48787