condition mean min max 4 h after light 4048.4 4048.4 4048.4 8 h after light 3744.1000000000004 3385.4 4102.8 12 h after light 3682.25 3521.9 3842.6 4 h after dark 3285.3 2993.9 3576.7 8 h after dark 3092.65 2909.0 3276.3 12 h after dark 3904.3500000000004 3552.4 4256.3