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Table 3 The statistical distribution of climatic parameters in the measured places

From: Development of an observational - perceptual heat strain risk assessment (OPHSRA) index and its validation

Parameter

Steel industry (n = 110)

Petrochemical industry (n = 90)

Range

Mean

Standard deviation

Range

Mean

Standard deviation

Dry temperature (degree of centigrade)

21.97–43.60

33.58

5.21

24.10–48.20

36.26

6.61

Wet temperature (degree of centigrade)

12.10–24.17

17.63

2.04

13.97–37.57

27.43

6.26

Globe temperature (degree of centigrade)

23.40–62.43

39.01

9.63

24.10–57.23

40.97

9.80

Relative humidity (percent)

9.01–39.31

19.60

9.92

14.82–79.11

52.09

17.71