condition mean min max 4 h after light 343.4 343.4 343.4 8 h after light 392.0 347.1 436.9 12 h after light 425.35 377.9 472.8 4 h after dark 489.1 474.4 503.8 8 h after dark 657.4000000000001 542.6 772.2 12 h after dark 651.2 543.4 759.0