condition	mean	min	max
4 h after light	5.56374	5.4539599999999995	5.72457
8 h after light	5.82399	5.7307	5.90223
12 h after light	5.866773333333334	5.77217	6.04033
4 h after dark	5.784813333333333	5.57444	5.92603
8 h after dark	5.804483333333333	5.6527199999999995	6.01049
12 h after dark	5.580469999999999	5.4907699999999995	5.73197