condition	mean	min	max
4 h after light	12.969223333333334	12.89829	13.08088
8 h after light	12.94313	12.78761	13.034939999999999
12 h after light	12.896666666666667	12.78778	12.99283
4 h after dark	13.058743333333332	12.95466	13.111329999999999
8 h after dark	13.08843	12.836110000000001	13.32942
12 h after dark	13.256139999999998	13.18971	13.312779999999998