condition mean min max 4 h after light 10.287129 9.725691 10.848567 8 h after light 11.526061 11.410626 11.641496 12 h after light 10.456372 9.849878 11.062866 4 h after dark 10.980613 10.980613 10.980613 8 h after dark 11.550452499999999 10.980613 12.120292 12 h after dark 9.734964 9.734964 9.734964