condition	mean	min	max
4 h after light	7.809886666666667	7.37207	8.05603
8 h after light	7.611409999999999	7.48584	7.775469999999999
12 h after light	6.716099999999999	6.62609	6.848669999999999
4 h after dark	6.567786666666667	6.40965	6.67777
8 h after dark	6.73204	6.19947	7.05463
12 h after dark	7.110356666666667	6.33591	7.799010000000001