condition	mean	min	max
4 h after light	5.034666666666666	4.9808699999999995	5.1311800000000005
8 h after light	5.17772	4.91993	5.38449
12 h after light	5.010443333333334	4.7518400000000005	5.4055800000000005
4 h after dark	5.14501	5.00188	5.31008
8 h after dark	4.913133333333334	4.55898	5.174180000000001
12 h after dark	5.086166666666666	4.9781699999999995	5.25873