condition mean min max 4 h after light 699.4 699.4 699.4 8 h after light 685.2 461.1 909.3 12 h after light 752.0999999999999 634.8 869.4 4 h after dark 848.55 606.9 1090.2 8 h after dark 787.3499999999999 510.4 1064.3 12 h after dark 743.8 623.9 863.7