condition	mean	min	max
4 h after light	5.55505	5.2887	5.8214
8 h after light	4.746589999999999	4.34791	5.14527
12 h after light	5.671234999999999	5.50733	5.83514
4 h after dark	5.6739049999999995	4.8091	6.53871
8 h after dark	5.278325	4.90429	5.65236
12 h after dark	5.472465	4.80664	6.13829