condition mean min max 4 h after light 7524.3 7524.3 7524.3 8 h after light 7662.25 6411.0 8913.5 12 h after light 5713.450000000001 3924.3 7502.6 4 h after dark 2782.3500000000004 1123.9 4440.8 8 h after dark 1896.2 1310.6 2481.8 12 h after dark 4351.950000000001 2672.8 6031.1