condition mean min max 3 h after light 504.69599999999997 416.572 582.424 6 h after light 484.976 370.455 642.818 9 h after light 421.288 370.321 485.348 12 h after light 576.3355 357.079 1019.17 3 h after dark 1222.1466666666668 1132.98 1273.73 6 h after dark 1155.78 1099.63 1263.48 9 h after dark 1007.5376666666667 900.473 1068.26 12 h after dark 991.3415 934.073 1048.61