condition mean min max 4 h after light 723.9684884999999 628.462826 819.474151 8 h after light 746.771938 740.682736 752.86114 12 h after light 701.797849 631.197155 772.398543 4 h after dark 968.9044915000001 782.270518 1155.538465 8 h after dark 905.6794414999999 706.749959 1104.608924 12 h after dark 588.083011 588.083011 588.083011