condition mean min max 2 h after light 5.22578 3.59956 7.05533 6 h after light 8.366236666666666 4.7846 12.5665 10 h after light 5.655045 2.68013 9.19401 14 h after light 6.72744 3.4826 9.99968 18 h after light 6.317328333333333 5.12993 8.04052 2 h after dark 7.349771666666667 4.38398 11.1538