condition	mean	min	max
4 h after light	6.737846666666666	6.656219999999999	6.844539999999999
8 h after light	6.70113	6.576960000000001	6.766439999999999
12 h after light	6.675529999999999	6.6427	6.700939999999999
4 h after dark	6.70821	6.703539999999999	6.7164600000000005
8 h after dark	6.76419	6.688510000000001	6.822
12 h after dark	6.656303333333334	6.593319999999999	6.69946