condition	mean	min	max
4 h after light	7.40085	7.3421	7.49937
8 h after light	7.619313333333333	7.41012	7.96926
12 h after light	7.7246	7.57523	7.83392
4 h after dark	7.656333333333333	7.411630000000001	7.90371
8 h after dark	7.489380000000001	7.334230000000001	7.7713600000000005
12 h after dark	7.38453	7.27257	7.58977