condition mean min max 4 h after light 12977.3 12977.3 12977.3 8 h after light 14587.400000000001 13031.6 16143.2 12 h after light 9331.800000000001 4075.4 14588.2 4 h after dark 4112.85 3736.7 4489.0 8 h after dark 3409.9 2942.0 3877.8 12 h after dark 2988.5 2187.2 3789.8