condition	mean	min	max
4 h after light	9.122082500000001	8.322675	9.92149
8 h after light	8.414238000000001	8.045722	8.782754
12 h after light	8.380661499999999	8.045722	8.715601
4 h after dark	8.031646	7.740617	8.322675
8 h after dark	8.782099500000001	8.322675	9.241524
12 h after dark	7.30963	7.30963	7.30963