condition	mean	min	max
4 h after light	9.379443333333333	9.29519	9.4777
8 h after light	9.25255	9.046389999999999	9.50956
12 h after light	9.248703333333333	8.8937	9.5371
4 h after dark	9.051936666666666	8.893239999999999	9.17826
8 h after dark	8.716636666666668	8.504610000000001	8.917760000000001
12 h after dark	8.70956	8.39119	9.00711