condition	mean	min	max
4 h after light	6.978925	5.67616	8.28169
8 h after light	26.2434	25.8765	26.6103
12 h after light	66.4999	63.9386	69.0612
4 h after dark	36.70356666666667	34.2692	39.1914
8 h after dark	18.3868	18.0972	18.8871
12 h after dark	7.787706666666667	7.2438	8.80259