condition	mean	min	max
4 h after light	8.83453	8.23893	9.43013
8 h after light	11.856000000000002	11.4844	12.2276
12 h after light	14.515550000000001	14.0848	14.9463
4 h after dark	19.1205	16.2354	22.0056
8 h after dark	15.023399999999999	14.7778	15.269
12 h after dark	11.81045	11.135	12.4859