condition	mean	min	max
4 h after light	5.648873333333333	5.3441	6.0594
8 h after light	5.5835333333333335	5.45414	5.7109
12 h after light	5.53431	5.328069999999999	5.81473
4 h after dark	5.563893333333334	5.42811	5.73471
8 h after dark	5.49992	5.26009	5.732880000000001
12 h after dark	5.574353333333334	5.43355	5.78446