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. 2021 Mar 19;9:618828. doi: 10.3389/fpubh.2021.618828

Table 3A.

Difference in day-of-admission weather variables in Dubai City between COVID-19 patients' clinical outcomes: Death.

Weather variable Death p-value
No Yes
Mean SD Mean SD
Temperature °C 2 m elevation corrected daily minimum 22.24 4.22 23.09 3.50 ns
Temperature °C 2 m elevation corrected daily maximum 37 5.92 38.8 4.79 0.016
Temperature °C 2 m elevation corrected daily mean 29.01 4.89 30.46 3.98 0.02
Relative humidity % 2 m daily minimum 19 9 16 7 0.008
Relative humidity % 2 m daily maximum 72 18 66 18 0.012
Relative humidity % 2 m daily mean 45.31 14.17 40.15 13.93 0.005
Precipitation total mm sfc daily summation 0.305 1.60 0.11 0.35 ns
Cloud cover total % sfc daily mean 22.29 25.77 16.12 22.08 ns
Sunshine duration min sfc daily summation 615.2 199.96 657.4 165.95 ns
Shortwave radiation W/m2 sfc daily summation 6,933 1266.91 7296 954.79 0.023
Direct shortwave radiation W/m2 sfc daily summation 4433 1077.42 4703 859.03 0.047
Evapotranspiration mm sfc daily summation 0.348 0.24 0.369 0.19 ns
Wind speed km/h 10 m daily minimum 2.788 2.62 3.306 3.04 ns
Wind speed km/h 10 m daily maximum 15.44 4.66 15.28 5.39 ns
Wind speed km/h 10 m daily mean 8.312 3.30 8.471 3.78 ns
Wind direction dominant ° 10 m daily none 196.1 114.62 189.5 106.88 ns
Temperature °C 1,000 mb daily minimum 24.17 5.73 25.65 5.02 0.043
Temperature °C 1,000 mb daily maximum 34.72 5.77 36.45 4.77 0.018
Temperature °C 1,000 mb daily mean 29.08 5.68 30.85 4.80 0.014
Temperature °C sfc daily minimum 19.9 4.01 20.54 3.65 ns
Temperature °C sfc daily maximum 44.81 6.76 46.71 5.34 0.026
Temperature °C sfc daily mean 30.71 4.91 32.12 3.97 0.024