condition mean min max 0 h after light 5.18837 4.9885 5.38824 2 h after light 1.615645 1.29548 1.93581 4 h after light 1.724915 1.47888 1.97095 8 h after light 3.331385 2.78231 3.88046 12 h after light 4.37151 4.30542 4.4376 2 h after dark 6.435565 5.54872 7.32241 4 h after dark 7.65617 7.25032 8.06202 8 h after dark 8.443945 8.12111 8.76678 12 h after dark 6.980180000000001 6.32683 7.63353