condition	mean	min	max
4 h after light	5.572945000000001	5.29375	5.85214
8 h after light	3.5496	3.51935	3.57985
12 h after light	4.92682	4.31871	5.53493
4 h after dark	5.82075	5.29952	6.34198
8 h after dark	6.23431	5.67432	6.7943
12 h after dark	6.91261	6.699	7.12622