condition mean min max 1 h after light 7.365141499 6.638237848999999 7.991550611 3 h after light 7.752861062 6.029462477999999 9.157363927 5 h after light 8.766090593666668 6.9090576960000005 11.13927348 7 h after light 8.543761947 6.31503483 11.24107592 9 h after light 7.208889839 5.5013241729999995 8.505714822 11 h after light 6.965405644666666 5.596853022 8.113110353 13 h after light 7.759051045 6.887940057000001 9.00756661 15 h after light 7.445835720333333 6.520393685 8.980861846 1 h after dark 7.487051609333333 6.12391342 9.568369378 3 h after dark 8.387345126666666 7.674231924 9.77227326 5 h after dark 8.790608404333334 6.8855849629999994 9.763869726 7 h after dark 9.595308319666666 8.806729751 10.76412276