condition	mean	min	max
4 h after light	18.6	18.6	18.6
8 h after light	18.9	5.3	32.5
12 h after light	16.2	7.7	24.7
4 h after dark	29.05	22.5	35.6
8 h after dark	43.95	17.0	70.9
12 h after dark	45.3	41.5	49.1