condition mean min max 4 h after light 567.0 567.0 567.0 8 h after light 598.3 519.8 676.8 12 h after light 548.8499999999999 488.9 608.8 4 h after dark 570.1500000000001 537.1 603.2 8 h after dark 460.8 417.0 504.6 12 h after dark 431.15 410.2 452.1