condition	mean	min	max
4 h after light	3.7931749999999997	3.14955	4.4368
8 h after light	4.192045	3.84015	4.54394
12 h after light	6.112555	5.89019	6.33492
4 h after dark	6.925015	6.38678	7.46325
8 h after dark	7.4476700000000005	6.90961	7.98573
12 h after dark	6.3833400000000005	5.84849	6.91819