condition mean min max 0 h after light 7.11952 6.39352 7.84552 2 h after light 4.985305 4.94165 5.02896 4 h after light 6.343965 5.97424 6.71369 8 h after light 9.414200000000001 8.93158 9.89682 12 h after light 12.519449999999999 11.3158 13.7231 2 h after dark 9.608105 7.79341 11.4228 4 h after dark 8.306835 6.39027 10.2234 8 h after dark 8.5616 8.19565 8.92755 12 h after dark 6.595675 6.51397 6.67738