Descriptive statistics of meteorological variables during the SARS prevalence period in four cities. The values during peak period of SARS outbreak are given in parentheses
| City | Variable | Mean/Total | Maximum | Minimum | SD | SARS cases | Data for the period |
|---|---|---|---|---|---|---|---|
| Guangzhou | Tmax(°C) | 21.7 (19.5) | 29.6 (26.3) | 11.3 (13.0) | 4.4 (4.7) | 913 (326) | 2 Jan to 15 Apr(3–13 Feb) |
| Tmean(°C) | 17.5 (14.9) | 25.8 (20.6) | 7.0 (11.5) | 4.4 (3.3) | |||
| Tmin(°C) | 14.3 (11.8) | 23.8 (17.5) | 4.0 (7.8) | 4.9 (3.1) | |||
| RH (%) | 75 (72) | 96 (87) | 43 (43) | 12 (14) | |||
| P (hPa) | 1013 (1016) | 1023 (1022) | 1001 (1010) | 5 (4) | |||
| Hong Kong | Tmax(°C) | 25.0 (21.2) | 32.1 (26.6) | 15.8 (16.4) | 4.2 (2.8) | 1729 (594) | 15 Feb to 31 May (20–30 Mar) |
| Tmean(°C) | 22.9 (19.3) | 29.2 (23.3) | 13.9 (15.5) | 3.9 (2.2) | |||
| Tmin(°C) | 21.2 (17.8) | 27.8 (21.2) | 11.5 (14.5) | 4.0 (2.1) | |||
| RH(%) | 83 (83) | 94 (89) | 63 (73) | 6 (5) | |||
| P (hPa) | 1013 (1017) | 1023 (1021) | 1003 (1013) | 5 (3) | |||
| Beijing | Tmax(°C) | 19.7 (23.7) | 31.6 (29.9) | 1.3 (15.1) | 7.8 (5.1) | 2405 (1111) | 5 Mar to 31 May (20–30 Apr) |
| Tmean(°C) | 14.7 (17.6) | 24.5 (21.5) | 0.5 (12.7) | 6.8 (3.3) | |||
| Tmin(°C) | 9.4 (10.8) | 20.5 (16.0) | −2.1 (5.1) | 6.2 (2.9) | |||
| RH (%) | 54 (50) | 86 (73) | 19 (29) | 16 (16) | |||
| P (hPa) | 1012 (1010) | 1033 (1019) | 999 (1004) | 8 (4.9) | |||
| Taiyuan | Tmax(°C) | 16.5 (17.1) | 29.7 (27.4) | 3.0 (9.4) | 7.2 (6.1) | 325 (110) | 7 Mar to 12 May (13–23 Apr) |
| Tmean(°C) | 10.3 (11.3) | 21.4 (18.7) | 0.6 (6.4) | 5.8 (4.3) | |||
| Tmin(°C) | 4.7 (5.7) | 15.2 (14.1) | −4.2 (1.8) | 5.2 (3.9) | |||
| RH (%) | 57 (58) | 92 (88) | 22 (33) | 16 (19) | |||
| P (hPa) | 927 (924) | 940 (930) | 914 (915) | 6 (5) |