condition	mean	min	max
4 h after light	19.9	19.9	19.9
8 h after light	3.0999999999999996	2.8	3.4
12 h after light	43.2	24.3	62.1
4 h after dark	36.05	19.0	53.1
8 h after dark	44.2	41.7	46.7
12 h after dark	38.1	30.5	45.7