condition	mean	min	max
4 h after light	6.70362	6.39364	6.95645
8 h after light	6.717359999999999	6.49466	6.97283
12 h after light	6.1943	5.92592	6.45263
4 h after dark	6.14897	6.1064300000000005	6.22754
8 h after dark	6.10325	5.79676	6.3301099999999995
12 h after dark	6.370566666666667	6.317880000000001	6.44909