condition	mean	min	max
4 h after light	11.96485	11.186	12.7437
8 h after light	13.998349999999999	13.1048	14.8919
12 h after light	13.9687	12.2233	15.7141
4 h after dark	18.86145	17.4598	20.2631
8 h after dark	17.276649999999997	16.6974	17.8559
12 h after dark	16.03405	14.389	17.6791