condition	mean	min	max
0 h after light	15.92425	15.8181	16.0304
4 h after light	7.677315	5.77699	9.57764
8 h after light	1.858345	1.12704	2.58965
4 h after dark	1.2140499999999999	1.1885	1.2396
8 h after dark	8.925615	8.20142	9.64981
12 h after dark	19.01605	17.062	20.9701