condition	mean	min	max
4 h after light	7.69978	7.40343	7.94694
8 h after light	7.88424	7.7938	7.9913300000000005
12 h after light	8.0228	7.85175	8.17946
4 h after dark	7.9203166666666664	7.781969999999999	8.04275
8 h after dark	7.801376666666667	7.41926	8.07928
12 h after dark	7.848573333333333	7.488169999999999	8.22222