condition	mean	min	max
4 h after light	15.6546	15.3536	15.9556
8 h after light	14.9209	14.6547	15.1871
12 h after light	15.744	15.552	15.936
4 h after dark	19.0021	18.7554	19.2488
8 h after dark	18.922649999999997	18.8266	19.0187
12 h after dark	18.4559	18.3241	18.5877