condition	mean	min	max
4 h after light	8.39718	8.31287	8.51626
8 h after light	11.06373	10.89183	11.20445
12 h after light	10.779206666666667	10.59637	10.88313
4 h after dark	10.247213333333333	9.95092	10.4554
8 h after dark	9.75539	9.63735	9.98572
12 h after dark	8.60464	8.50995	8.7248