condition mean min max 0 h after light 422.3485 417.09 427.607 4 h after light 697.4155000000001 690.097 704.734 8 h after light 575.4625 544.483 606.442 4 h after dark 501.1735 490.445 511.902 8 h after dark 532.7695 526.929 538.61 12 h after dark 489.02099999999996 452.857 525.185