condition mean min max 4 h after light 5.72682 5.21458 6.23906 8 h after light 1.1020349999999999 1.08884 1.11523 12 h after light 1.260072 0.501924 2.01822 4 h after dark 2.0843366666666667 0.66864 4.19344 8 h after dark 2.8480433333333335 1.28324 3.6987 12 h after dark 5.361788333333333 0.096255 9.53263