condition mean min max 4 h after light 9.486135 8.24067 10.7316 8 h after light 9.66749 9.5704 9.76458 12 h after light 9.283660000000001 9.06057 9.50675 4 h after dark 10.7367 10.2459 11.0032 8 h after dark 11.011866666666666 10.1852 11.4437 12 h after dark 9.59176 9.33064 9.90261