condition mean min max 2 h after light 8.985101666666667 8.04061 10.4348 6 h after light 5.880305 3.07069 7.51679 10 h after light 6.39441 3.15785 9.68433 14 h after light 7.9589083333333335 4.41029 12.1347 18 h after light 7.88925 5.74373 11.7782 2 h after dark 7.081636666666666 5.90401 9.04257