condition	mean	min	max
4 h after light	7.5485635	7.095709	8.001418
8 h after light	8.929213	8.804455	9.053971
12 h after light	9.655568500000001	9.517414	9.793723
4 h after dark	9.4666595	8.943099	9.99022
8 h after dark	8.574604	8.206109	8.943099
12 h after dark	9.460648	9.460648	9.460648