condition	mean	min	max
4 h after light	7.0814	7.02041	7.14239
8 h after light	5.754555	5.55082	5.95829
12 h after light	3.8023100000000003	3.12923	4.47539
4 h after dark	4.223050000000001	4.02047	4.37525
8 h after dark	3.92227	3.66473	4.24293
12 h after dark	5.508263333333333	4.84711	6.01253