condition mean min max 0 h after light 17.82565 17.4161 18.2352 2 h after light 5.0340050000000005 4.24225 5.82576 4 h after light 4.021205 3.80022 4.24219 8 h after light 5.96258 5.48208 6.44308 12 h after light 8.965795 8.64652 9.28507 2 h after dark 12.891200000000001 12.1506 13.6318 4 h after dark 18.3298 18.0861 18.5735 8 h after dark 25.448050000000002 24.8888 26.0073 12 h after dark 20.865099999999998 18.4634 23.2668