condition mean min max 4 h after light 4140.0 4140.0 4140.0 8 h after light 3911.6000000000004 3033.4 4789.8 12 h after light 3963.4 3089.7 4837.1 4 h after dark 3816.0 3552.0 4080.0 8 h after dark 3323.8999999999996 2932.6 3715.2 12 h after dark 3063.85 2765.6 3362.1