condition mean min max 4 h after light 805.8 805.8 805.8 8 h after light 799.55 667.9 931.2 12 h after light 776.8499999999999 657.4 896.3 4 h after dark 732.1 672.0 792.2 8 h after dark 841.95 654.4 1029.5 12 h after dark 778.7 629.0 928.4