condition mean min max 4 h after light 501.0343 446.124 610.7008 8 h after light 507.92406666666665 274.6359 634.406 12 h after light 453.5928333333333 342.2864 527.237 16 h after light 1241.1192999999998 932.0639 1576.793 4 h after dark 929.0129 867.6071 1022.345 8 h after dark 551.9796 391.3446 672.8321