condition mean min max 4 h after light 716.4271 386.8331 1196.124 8 h after light 768.9403 532.1135 932.385 12 h after light 656.9092333333333 581.0685 698.307 16 h after light 722.3568 487.749 854.6745 4 h after dark 873.6815666666666 563.6177 1070.4669999999999 8 h after dark 813.3114666666667 559.7025 1029.889