condition	mean	min	max
4 h after light	9.09122	8.85849	9.42192
8 h after light	9.41145	9.28631	9.592889999999999
12 h after light	9.456583333333333	9.14321	9.65665
4 h after dark	9.492246666666666	9.31345	9.65125
8 h after dark	9.225940000000001	8.93233	9.538910000000001
12 h after dark	8.895506666666668	8.67426	9.18631