condition	mean	min	max
4 h after light	8.64059	7.47704	9.80414
8 h after light	8.308485000000001	6.7699	9.84707
12 h after light	21.6659	13.5064	29.8254
4 h after dark	29.63425	23.3888	35.8797
8 h after dark	39.8424	35.2959	44.3889
12 h after dark	26.4086	14.4517	38.3655