condition	mean	min	max
4 h after light	62.205411	57.714465	66.696357
8 h after light	55.1159575	51.966633	58.265282
12 h after light	74.8926305	72.321277	77.463984
4 h after dark	59.947533	57.923967	61.971099
8 h after dark	70.3517225	65.110038	75.593407
12 h after dark	50.181777	50.181777	50.181777