condition	mean	min	max
4 h after light	5.0881	5.01215	5.2015199999999995
8 h after light	5.097813333333333	5.05659	5.14
12 h after light	5.12659	5.02805	5.17769
4 h after dark	5.138833333333333	5.0187800000000005	5.22616
8 h after dark	5.075806666666667	5.03532	5.1182099999999995
12 h after dark	5.154529999999999	5.02323	5.241169999999999