condition	mean	min	max
4 h after light	16.629	14.4335	18.8245
8 h after light	10.8335	10.729	10.938
12 h after light	10.809805	9.48381	12.1358
4 h after dark	28.308799999999998	26.2759	30.3417
8 h after dark	35.707750000000004	34.9016	36.5139
12 h after dark	22.98005	21.095	24.8651