condition	mean	min	max
4 h after light	5.276106666666666	5.17801	5.38397
8 h after light	5.64497	5.364719999999999	5.841130000000001
12 h after light	5.50985	5.34251	5.69537
4 h after dark	5.50654	5.40965	5.56006
8 h after dark	5.530950000000001	5.513780000000001	5.54724
12 h after dark	5.508546666666667	5.47708	5.56075