condition mean min max 4 h after light 3373.9 3373.9 3373.9 8 h after light 2507.2 2025.1 2989.3 12 h after light 1352.8 833.4 1872.2 4 h after dark 1430.6 800.2 2061.0 8 h after dark 2091.8 1705.2 2478.4 12 h after dark 2948.8500000000004 2014.4 3883.3