condition mean min max 4 h after light 2716.2 2716.2 2716.2 8 h after light 2425.3500000000004 2381.9 2468.8 12 h after light 2409.45 2328.5 2490.4 4 h after dark 2730.55 2162.0 3299.1 8 h after dark 3339.0 3321.2 3356.8 12 h after dark 3472.6499999999996 3431.2 3514.1