condition mean min max 4 h after light 12.5168435 12.230302 12.803385 8 h after light 11.0519415 9.876061 12.227822 12 h after light 12.298321 11.679065 12.917577 4 h after dark 11.267908 9.810209 12.725607 8 h after dark 11.539926999999999 11.348668 11.731186 12 h after dark 12.699876 12.699876 12.699876