condition mean min max 3 h after light 1.141294 0.614873 2.03796 6 h after light 1.034415 0.720085 1.38548 9 h after light 0.946348 0.777925 1.19761 12 h after light 1.7175125 1.28867 2.04354 3 h after dark 1.4982796666666667 0.977599 1.80153 6 h after dark 0.8009706666666667 0.41463 1.0196 9 h after dark 0.6675133333333333 0.365583 0.910874 12 h after dark 1.0711400000000002 1.00547 1.13681