Table 1 Monthly summary of daily mean temperature and daily mortality cases averaged over 47 prefectures between 1972 and 2014 (mean ± standard deviation)
Month | Mean temperature (°C) | All-cause mortality (cases) | Circulatory mortality (cases) | Respiratory mortality (cases) |
|---|---|---|---|---|
January | 4.17 ±3.99 | 61.88 ±55.01 | 22.92 ±17.48 | 8.55 ±8.93 |
February | 4.75 ±4.31 | 59.98 ±49.11 | 21.84 ±16.49 | 8.49 ±8.39 |
March | 7.91 ±4.29 | 56.91 ±66.01 | 20.2 ±15.17 | 7.58±7.44 |
April | 13.36 ±4.01 | 53.1 ±43.63 | 18.36 ±13.9 | 6.8 ±6.93 |
May | 18 ±3.25 | 50.23 ±41.53 | 16.85 ±12.91 | 6.27 ±6.54 |
June | 21.74 ±2.9 | 47.66 ±39.94 | 15.42 ±12.09 | 5.75 ±6.06 |
July | 25.54 ±3.05 | 47.86 ±40.59 | 15.18 ±12.22 | 5.71 ±6.03 |
August | 26.72 ±2.54 | 48.05 ±40.92 | 15.03 ±12.12 | 5.75 ±6.14 |
September | 22.98 ±3.31 | 47.58 ±40.33 | 14.94 ±11.78 | 5.56 ±6.09 |
October | 17.33 ±3.61 | 50.58 ±42.29 | 16.75 ±12.91 | 5.9 ±6.38 |
November | 11.7 ±4.18 | 53.98 ±45.01 | 18.7 ±14.35 | 6.5 ±6.96 |
December | 6.58 ±4.07 | 57.41 ±47.78 | 20.67 ±15.84 | 7.15 ±7.49 |
Whole year | 15.12 ±8.61 | 52.91 ±46.88 | 18.05 ±14.31 | 6.66 ±7.08 |