condition	mean	min	max
2 h after light	8.72886	8.11282	9.20608
6 h after light	8.435083333333333	8.29422	8.66353
10 h after light	6.672256666666667	6.50133	6.8959
2 h after dark	5.1327799999999995	4.97716	5.3919
6 h after dark	4.623343333333334	4.18529	5.00522
10 h after dark	4.58967	4.11625	5.02072