condition	mean	min	max
4 h after light	6.172355	6.13403	6.21068
8 h after light	5.93025	5.89678	5.96372
12 h after light	5.223915	4.30231	6.14552
4 h after dark	8.17784	6.45823	9.89745
8 h after dark	6.0607050000000005	6.04408	6.07733
12 h after dark	5.53272	5.49539	5.57005