condition	mean	min	max
4 h after light	4.850135	4.42916	5.27111
8 h after light	3.74757	3.71116	3.78398
12 h after light	5.690754999999999	5.53804	5.84347
4 h after dark	7.629063333333334	7.40031	8.00112
8 h after dark	7.189713333333334	6.82399	7.43706
12 h after dark	6.89643	6.77628	6.98071