condition	mean	min	max
4 h after light	3.856676666666667	3.75925	3.97625
8 h after light	3.72743	3.6364	3.80155
12 h after light	3.71252	3.5859099999999997	3.8082300000000004
4 h after dark	3.80518	3.78105	3.83658
8 h after dark	3.7162	3.6674599999999997	3.7688900000000003
12 h after dark	3.74637	3.6262300000000005	3.84671