condition mean min max 4 h after light 652.3 652.3 652.3 8 h after light 652.6 579.0 726.2 12 h after light 680.25 663.5 697.0 4 h after dark 735.3499999999999 727.9 742.8 8 h after dark 744.3499999999999 607.3 881.4 12 h after dark 714.5 714.1 714.9