condition	mean	min	max
4 h after light	8.1118235	7.437372	8.786275
8 h after light	8.556386499999999	8.44686	8.665913
12 h after light	8.150967	7.855074	8.44686
4 h after dark	8.222228000000001	8.175347	8.269109
8 h after dark	9.396227	9.000165	9.792289
12 h after dark	8.44686	8.44686	8.44686