condition	mean	min	max
4 h after light	12.84421	8.46343	15.9558
8 h after light	12.493296666666666	2.80849	19.9101
12 h after light	12.467743333333335	7.86203	15.5934
4 h after dark	15.1076	10.5503	17.4859
8 h after dark	14.736913333333334	9.52784	20.4865
12 h after dark	19.964000000000002	17.704	23.1945