condition mean min max 3 h after light 5.589433333333333 3.91645 7.71298 6 h after light 5.3915 5.04811 5.70991 9 h after light 5.9251233333333335 4.49641 8.38937 12 h after light 9.350340000000001 4.95684 20.1212 3 h after dark 6.900876666666667 6.81373 6.98803 6 h after dark 7.31978 6.64483 7.74061 9 h after dark 9.307046666666666 7.23758 10.9998 12 h after dark 11.47285 10.831 12.1147