condition	mean	min	max
4 h after light	5.623966666666667	5.45707	5.713080000000001
8 h after light	5.7789399999999995	5.62364	5.98936
12 h after light	5.66961	5.56386	5.7437
4 h after dark	5.634846666666666	5.4402099999999995	5.89826
8 h after dark	5.54784	5.41517	5.721
12 h after dark	5.47975	5.40641	5.5696