condition mean min max 1 h after light 4.446238055 3.658231676 5.234244434 3 h after light 6.898988379 5.893671382000001 8.004154715 5 h after light 4.228727585000001 2.860848176 6.099720400000001 7 h after light 7.389739541 6.783387209 8.443393979 9 h after light 6.033285193333334 2.87611885 9.497639376 11 h after light 9.270649943333334 7.247034167000001 10.73441509 1 h after dark 6.922484986666667 6.205983622000001 7.951604027 3 h after dark 5.101405213333334 3.3374395760000004 6.382811364 5 h after dark 6.002713280333333 4.352972353999999 8.870686762 7 h after dark 6.750127897666666 5.936243103 7.386235952000001 9 h after dark 7.002115313666667 5.994852087000001 7.9618229860000005 11 h after dark 4.0295558326666665 3.487985338 4.301889666