condition mean min max 3 h after light 1.68588 1.11721 2.27261 6 h after light 1.7905766666666667 1.0409 2.85692 9 h after light 2.50251 1.25762 4.32899 12 h after light 1.065837 0.237987 2.50085 3 h after dark 1.795454 0.769652 2.59146 6 h after dark 1.0400956666666668 0.54081 1.60897 9 h after dark 2.37261 2.16187 2.7162 12 h after dark 2.68155 1.75307 3.18115