condition mean min max 3 h after light 6.1676 4.29994 7.34708 6 h after light 5.01941 4.72041 5.3456 9 h after light 5.337526666666667 3.99403 6.04741 12 h after light 5.6611025 4.33789 7.14373 3 h after dark 8.1222 6.38741 9.39302 6 h after dark 8.078036666666666 7.39165 8.71739 9 h after dark 7.738146666666666 5.4392 10.5353 12 h after dark 7.08108 6.44543 7.71673