condition mean min max 4 h after light 536.9114999999999 489.452 584.371 8 h after light 562.793 551.306 574.28 12 h after light 350.23 334.269 366.191 4 h after dark 893.877 834.432 953.322 8 h after dark 902.5070000000001 858.165 946.849 12 h after dark 755.7745 699.552 811.997