condition	mean	min	max
4 h after light	4.441996666666667	4.29356	4.7098
8 h after light	4.42609	4.36739	4.50014
12 h after light	4.315336666666667	4.18112	4.56273
4 h after dark	4.36008	4.307930000000001	4.40636
8 h after dark	4.320076666666666	4.207669999999999	4.43799
12 h after dark	4.22975	4.17811	4.30668