condition	mean	min	max
2 h after light	15.774066666666666	14.8194	16.2703
6 h after light	17.7198	17.2986	18.3471
10 h after light	18.471700000000002	17.9356	18.9008
2 h after dark	21.281200000000002	19.8072	23.3529
6 h after dark	19.888266666666667	18.845	21.7242
10 h after dark	17.4432	17.1167	17.7307