condition mean min max 4 h after light 551.2177666666666 520.2146 591.5472 8 h after light 553.7522333333334 363.6119 763.702 12 h after light 572.628 446.8921 780.9471 16 h after light 744.6411666666667 656.4634 885.2239999999999 4 h after dark 747.822 705.0167 793.9933 8 h after dark 509.3601 366.9983 618.6653