condition	mean	min	max
4 h after light	6.1945049999999995	6.17412	6.21489
8 h after light	3.658035	3.3119	4.00417
12 h after light	4.34381	4.09442	4.5932
4 h after dark	4.73239	3.89734	5.68474
8 h after dark	5.6642133333333335	5.0583	5.99907
12 h after dark	6.28248	5.83995	6.53336