condition	mean	min	max
4 h after light	6.798945	5.98113	7.61676
8 h after light	7.5054099999999995	7.39389	7.61693
12 h after light	7.2956900000000005	6.67367	7.91771
4 h after dark	8.489793333333333	7.47122	9.38524
8 h after dark	7.195013333333334	6.92735	7.43245
12 h after dark	5.85781	5.60699	6.24579