condition mean min max 4 h after light 1184.7784025 1024.587844 1344.968961 8 h after light 1109.7553925 977.754906 1241.755879 12 h after light 970.638857 920.590673 1020.687041 4 h after dark 1037.6157425000001 1035.924364 1039.307121 8 h after dark 1009.7236805 965.102313 1054.345048 12 h after dark 1207.644869 1207.644869 1207.644869