condition mean min max 0 h after light 19.0363 18.7178 19.3548 2 h after light 8.29622 7.77183 8.82061 4 h after light 13.7838 12.5779 14.9897 8 h after light 9.114675 8.64039 9.58896 12 h after light 11.405750000000001 10.5425 12.269 2 h after dark 13.474350000000001 12.9017 14.047 4 h after dark 16.26455 14.8656 17.6635 8 h after dark 24.5822 23.5187 25.6457 12 h after dark 16.75855 15.6162 17.9009