condition	mean	min	max
4 h after light	6.8898150000000005	5.68917	8.09046
8 h after light	5.181185	5.05827	5.3041
12 h after light	5.573485	5.45919	5.68778
4 h after dark	7.915053333333334	7.35566	8.36091
8 h after dark	8.273913333333333	7.39421	8.7683
12 h after dark	7.762653333333334	6.95205	8.81764