condition mean min max 4 h after light 422.962045 351.469381 494.454709 8 h after light 250.8406655 224.722612 276.958719 12 h after light 480.04481499999997 427.001288 533.088342 4 h after dark 565.693595 463.462826 667.924364 8 h after dark 1040.6607325 977.089303 1104.232162 12 h after dark 442.071719 442.071719 442.071719