condition	mean	min	max
4 h after light	4.29042	4.2728	4.32081
8 h after light	4.40057	4.3445	4.5126599999999994
12 h after light	4.29595	4.2104	4.38657
4 h after dark	4.43169	4.33234	4.56476
8 h after dark	4.463516666666667	4.39496	4.57978
12 h after dark	4.367256666666666	4.27832	4.42629