condition	mean	min	max
4 h after light	2.95425	1.99452	3.91398
8 h after light	2.1515	1.81255	2.49045
12 h after light	3.70033	3.65777	3.74289
4 h after dark	5.6889199999999995	5.20366	5.95459
8 h after dark	6.335133333333333	5.02397	8.28245
12 h after dark	2.548773333333333	2.12911	3.01761