condition	mean	min	max
4 h after light	7.521135	6.82654	8.21573
8 h after light	5.970269999999999	5.79827	6.14227
12 h after light	5.6488499999999995	5.08488	6.21282
4 h after dark	5.828105000000001	5.15718	6.49903
8 h after dark	5.086945	5.06621	5.10768
12 h after dark	6.419595	6.38421	6.45498