condition mean min max 4 h after light 470.8459135 465.229001 476.462826 8 h after light 484.0284545 482.363314 485.693595 12 h after light 524.5024025 509.388133 539.616672 4 h after dark 679.2204995 534.40467 824.036329 8 h after dark 755.5981549999999 677.879966 833.316344 12 h after dark 655.295108 655.295108 655.295108