Table 3. Likely calendar month of M. ulcerans infection categorised by maximal monthly temperatures.

Months	Average maximal daily temperature range (ºC)	Number of patients
December, January, February	24.2–26.0	132 (39.1%)
March, April, November	20.3–23.9	109 (32.2%)
May, September, October	16.7–19.7	56 (16.6%)
June, July, August	13.5–15.0	41 (12.1%)