condition mean min max 4 h after light 675.7576745 560.193748 791.321601 8 h after light 759.7899655 752.812001 766.76793 12 h after light 783.6340210000001 759.346802 807.92124 4 h after dark 595.659276 520.039856 671.278696 8 h after dark 582.839129 577.93268 587.745578 12 h after dark 495.909024 495.909024 495.909024