condition mean min max 4 h after light 871.1664470000001 790.31648 952.016414 8 h after light 696.22044 638.865646 753.575234 12 h after light 474.551461 329.757101 619.345821 4 h after dark 552.707401 551.942635 553.472167 8 h after dark 390.726341 302.045522 479.40716 12 h after dark 653.770518 653.770518 653.770518