condition	mean	min	max
4 h after light	5.32244	5.227040000000001	5.40194
8 h after light	5.38548	5.32314	5.48192
12 h after light	5.27061	5.11811	5.4538
4 h after dark	5.721676666666666	5.5618099999999995	5.93633
8 h after dark	5.503123333333334	5.24195	5.90265
12 h after dark	5.751616666666666	5.40285	6.245019999999999