condition	mean	min	max
4 h after light	38.5	38.5	38.5
8 h after light	62.65	60.5	64.8
12 h after light	38.95	38.8	39.1
4 h after dark	41.7	41.3	42.1
8 h after dark	73.4	53.6	93.2
12 h after dark	61.45	58.2	64.7