condition mean min max 4 h after light 12.6843 12.4835 12.8851 8 h after light 9.117135000000001 8.87982 9.35445 12 h after light 9.511595 8.75899 10.2642 4 h after dark 7.750053333333334 7.65897 7.90248 8 h after dark 6.54069 5.8414 7.87498 12 h after dark 9.29398 8.76729 9.90061