condition mean min max 4 h after light 2567.8 2567.8 2567.8 8 h after light 1521.8 1066.8 1976.8 12 h after light 715.5 696.0 735.0 4 h after dark 1267.55 529.9 2005.2 8 h after dark 2174.35 1247.6 3101.1 12 h after dark 3741.4500000000003 2266.8 5216.1