condition mean min max 0 h after light 9.16993 7.89506 10.4448 2 h after light 6.6913350000000005 6.14061 7.24206 4 h after light 5.658635 5.035 6.28227 8 h after light 5.58821 5.30469 5.87173 12 h after light 7.8019300000000005 7.78613 7.81773 2 h after dark 6.78549 5.58978 7.9812 4 h after dark 6.9696549999999995 6.49109 7.44822 8 h after dark 8.83363 8.30568 9.36158 12 h after dark 8.870785 8.12295 9.61862