condition mean min max 4 h after light 0.25454699999999997 0.253557 0.255537 8 h after light 0.15172249999999998 0.111481 0.191964 12 h after light 0.145477 0.136153 0.154801 4 h after dark 0.4365885 0.43116 0.442017 8 h after dark 0.33539450000000004 0.253334 0.417455 12 h after dark 0.3213475 0.240099 0.402596