ENCLOSURE 4.
BUBONIC FEVER AND MEAN ATMOSPHERIC TEMPERATURE.
1899.
Date No. of CASES, Per Week 1st 10th 11th 140 12th 135 13th 180 15th 125 16th 120 17th 115 18th 140 19th 105 20th 100 21st 95 22nd 90 24th 83 25th 75 26th 70 27th 65 28th 60 29th 55 30th 60 31st 43 32nd 33rd 35th 40 36th 35 37th 30 38th 39th 25 40th 20 41st 15 42nd 18 44th 45th 46th 47th 48 48th 24 49th 50th 52ndBubonic Fever, Red line.
Mean Atmospheric Temperature, Black line.