condition mean min max 1 h after light 4.0323165565000005 3.5621941280000002 4.502438985 3 h after light 5.1701358053333335 3.474012648 6.142723386 5 h after light 7.963460656333334 7.292358097 8.792449462 7 h after light 8.825020779333334 8.373243586000001 9.314537802 9 h after light 11.348865111666667 8.93061613 15.17951615 11 h after light 11.145161187666666 7.437745593 13.03935085 1 h after dark 8.404508228 7.413525559 10.13034012 3 h after dark 7.302421574333334 6.105134737999999 8.105210399 5 h after dark 6.290237785333334 5.664108605 7.48875244 7 h after dark 3.6013971716666666 2.852666616 4.248719795 9 h after dark 3.2030379536666667 2.830902375 3.710353088 11 h after dark 3.332169957 3.081950806 3.487985338