condition mean min max 4 h after light 572.8 572.8 572.8 8 h after light 468.9 420.7 517.1 12 h after light 441.79999999999995 420.7 462.9 4 h after dark 651.5 587.2 715.8 8 h after dark 785.9000000000001 699.7 872.1 12 h after dark 725.3 701.9 748.7