condition mean min max 4 h after light 688.335 687.868 688.802 8 h after light 535.6265000000001 522.336 548.917 12 h after light 579.0999999999999 567.184 591.016 4 h after dark 762.0615 733.406 790.717 8 h after dark 812.508 808.521 816.495 12 h after dark 787.403 781.881 792.925