condition mean min max 4 h after light 8.434035 7.10778 9.76029 8 h after light 11.03555 11.0173 11.0538 12 h after light 10.38475 9.3123 11.4572 4 h after dark 13.544633333333334 12.1182 14.5376 8 h after dark 11.491866666666667 10.7976 11.9151 12 h after dark 9.15347 8.8178 9.51752