condition	mean	min	max
0 h after light	17.545250000000003	16.2966	18.7939
4 h after light	11.638349999999999	11.5123	11.7644
8 h after light	16.5338	14.9738	18.0938
4 h after dark	16.6104	15.5905	17.6303
8 h after dark	17.30105	17.2981	17.304
12 h after dark	17.52795	15.3013	19.7546