condition mean min max 4 h after light 6209.7 6209.7 6209.7 8 h after light 7481.15 5466.2 9496.1 12 h after light 11457.650000000001 6488.4 16426.9 4 h after dark 12224.45 10286.2 14162.7 8 h after dark 10001.7 8471.0 11532.4 12 h after dark 8421.5 6832.8 10010.2