condition	mean	min	max
3 h after light	13.370045	8.65774	21.9651
7 h after light	14.223939166666668	9.14569	19.9921
11 h after light	11.803447499999999	7.53118	16.6792
2 h after dark	11.180838333333334	7.5712	19.4226
6 h after dark	9.142664166666666	6.93573	11.9251
10 h after dark	9.771219166666667	6.92009	13.0204