condition mean min max 1 h after light 3.219468309 3.219468309 3.219468309 3 h after light 4.050614029 4.025774472 4.075453586 5 h after light 3.8770820185 3.214028204 4.540135833 7 h after light 4.4341656485000005 4.386746386 4.481584911000001 9 h after light 3.6757024155 3.009270284 4.342134547 11 h after light 3.7326416565000002 3.3587841210000002 4.106499192 1 h after dark 3.8427374765 3.508036442 4.177438511 3 h after dark 3.9343223199999997 2.802372918 5.066271722 5 h after dark 4.0841685085 4.055499417 4.112837600000001 7 h after dark 6.1931819885 4.763613032 7.622750945 9 h after dark 9.22421 8.936792955 9.511627045 11 h after dark 12.892341524999999 12.51429902 13.27038403