condition	mean	min	max
4 h after light	4.40725	4.35314	4.49207
8 h after light	4.333783333333334	4.28509	4.393680000000001
12 h after light	4.29348	4.20838	4.42384
4 h after dark	4.334533333333333	4.2272099999999995	4.4652199999999995
8 h after dark	4.400953333333334	4.29052	4.47618
12 h after dark	4.34769	4.30595	4.41046