condition	mean	min	max
4 h after light	29.4	29.4	29.4
8 h after light	38.5	14.5	62.5
12 h after light	34.75	13.3	56.2
4 h after dark	27.65	8.0	47.3
8 h after dark	9.3	5.3	13.3
12 h after dark	16.4	15.8	17.0