condition	mean	min	max
4 h after light	3.034525	2.1361	3.93295
8 h after light	5.121435	4.89711	5.34576
12 h after light	49.80845	46.7309	52.886
4 h after dark	59.15965	51.5062	66.8131
8 h after dark	27.4362	26.0019	28.8705
12 h after dark	8.99238	8.0199	9.96486