condition	mean	min	max
4 h after light	9.42634	9.176210000000001	9.60183
8 h after light	9.593963333333333	9.55085	9.620389999999999
12 h after light	9.660693333333333	9.401489999999999	9.911760000000001
4 h after dark	9.68866	9.4941	9.95456
8 h after dark	9.534913333333334	9.37224	9.77701
12 h after dark	9.41497	9.292019999999999	9.524980000000001