condition mean min max 0 h after light 2173.065 2136.73 2209.4 4 h after light 2135.4049999999997 1704.27 2566.54 8 h after light 1359.54 1298.63 1420.45 4 h after dark 1258.75 1214.8 1302.7 8 h after dark 1833.13 1632.05 2034.21 12 h after dark 2417.4350000000004 2170.84 2664.03