Skip to main content

Table 1 Month-wise variations in temperature and relative humidity (RH) of different structure types across indoor and outdoor environments

From: Microclimate variables of the ambient environment deliver the actual estimates of the extrinsic incubation period of Plasmodium vivax and Plasmodium falciparum: a study from a malaria-endemic urban setting, Chennai in India

Structure type

Indoor/outdoor

N

Mean

Nov-12

Dec-12

Jan-13

Feb-13

Mar-13

Apr-13

May-13

Jun-13

Jul-13

Aug-13

Sep-13

Oct-13

Asbestos

Indoor

3

Temp (°C)

29.99 ± 1.12

29.31 ± 0.97

29.23 ± 1.07

29.81 ± 0.96

31.27 ± 0.87

32.55 ± 0.6

33.16 ± 0.71

32.91 ± 1.22

30.76 ± 1.39

30.37 ± 1.73

30.5 ± 1.73

30.89 ± 1.65

   

DTR (°C)

5.09

4.33

4.61

4.32

4.47

4.75

4.43

4.78

3.94

4.47

4.35

4.44

   

RH (%)

69.79 ± 8.87

70.44 ± 8.32

66.56 ± 4.72

67.04 ± 6.56

68.01 ± 4.81

72.3 ± 3.05

69.12 ± 7.55

59.54 ± 8.15

70.28 ± 8.51

73.63 ± 7.41

75.3 ± 8.08

73.54 ± 7.61

 

Outdoor

3

Temp (°C)

28.53 ± 0.97

27.9 ± 0.9

27.88 ± 0.82

29.12 ± 1.13

30.51 ± 1.3

31.67 ± 1.05

32.48 ± 1.1

32.01 ± 1.34

30 ± 1.68

29.96 ± 1.56

30.07 ± 1.56

29.78 ± 1.75

   

DTR (°C)

7.31

8.21

9.41

12.01

10.5

7.38

7.38

7

7.11

6.41

6.26

6.83

   

RH (%)

73.49 ± 7.22

73.99 ± 8.49

71.36 ± 5.29

69.27 ± 7.84

70.13 ± 7.06

75.65 ± 4.9

72.21 ± 8.24

62.55 ± 8.16

73.77 ± 8.43

74.6 ± 6.96

76.59 ± 7.54

77.36 ± 7.33

Concrete

Indoor

3

Temp (°C)

29.58 ± 1.04

28.86 ± 0.64

28.82 ± 0.68

29.4 ± 0.73

30.91 ± 1.16

32.31 ± 1.24

32.97 ± 1.14

32.79 ± 1.16

31 ± 1.2

30.51 ± 1.69

30.4 ± 1.63

30.62 ± 1.34

   

DTR (°C)

2.47

2.07

2.69

2.65

2.69

2.47

2.48

3.17

2.19

2.13

1.93

2.22

   

RH (%)

73.1 ± 8.13

74.16 ± 7.25

69.97 ± 4.72

69.15 ± 6.45

69.96 ± 5.31

73.87 ± 4.27

69.6 ± 8.54

57.66 ± 8.01

67.62 ± 7.97

71.73 ± 8.77

73.62 ± 8.67

72.99 ± 7.41

 

Outdoor

3

Temp (°C)

27.88 ± 0.93

27.17 ± 0.61

26.84 ± 0.71

27.42 ± 0.73

28.9 ± 0.98

30.7 ± 0.72

31.78 ± 0.85

31.68 ± 1.27

29.47 ± 1.26

29.52 ± 1.3

29.37 ± 1.29

28.89 ± 1.38

   

DTR (°C)

3.52

2.3

2.79

3.16

3.44

2.84

3.25

4.3

3.32

3.13

2.97

2.76

   

RH (%)

74.1 ± 8.12

75.92 ± 8.02

73.2 ± 5.77

73.6 ± 6.63

75.29 ± 5.48

78.76 ± 4.34

73.82 ± 8.5

62.07 ± 8.05

73.37 ± 7.37

74.36 ± 6.98

78.11 ± 7.33

79.21 ± 6.84

Thatched

Indoor

3

Temp (°C)

28.53 ± 0.95

27.9 ± 0.6

27.63 ± 0.62

28.2 ± 0.62

29.69 ± 0.77

31.22 ± 0.64

32.21 ± 0.72

32.16 ± 1.22

29.96 ± 1.27

30.15 ± 1.44

30.08 ± 1.33

29.83 ± 1.41

   

DTR (°C)

5.01

4.1

4.51

5.01

5.35

4.86

5.5

7.07

4.77

5.32

5.01

4.27

   

RH (%)

72.33 ± 8.3

74.06 ± 7.27

70.81 ± 4.16

71.77 ± 6.16

72.83 ± 4.6

76.77 ± 2.69

72.07 ± 7.71

60.62 ± 8.94

71.7 ± 9.36

72.95 ± 7.67

74.82 ± 8.05

75.5 ± 7.24

 

Outdoor

3

Temp (°C)

28.16 ± 1.04

26.94 ± 0.46

26.64 ± 0.44

27.19 ± 0.5

29.29 ± 1.17

31.46 ± 0.66

32.27 ± 0.87

31.78 ± 1.37

29.68 ± 1.71

29.62 ± 1.53

29.61 ± 1.51

29.04 ± 1.59

   

DTR (°C)

5.54

3.47

4.39

4.74

6.33

6.9

6.65

7.59

6.78

6.45

5.94

5.11

   

RH (%)

74.01 ± 7.5

77.48 ± 6.16

78.06 ± 4.87

78 ± 5.19

76.87 ± 4.09

77.06 ± 2.68

74.56 ± 6.8

64.46 ± 9.21

75.77 ± 11.98

77.15 ± 8.5

80.24 ± 9.47

81.45 ± 8.6

Tiled

Indoor

3

Temp (°C)

29.44 ± 1.25

28.82 ± 0.9

28.66 ± 0.94

29.54 ± 1.13

31.31 ± 1.27

32.86 ± 1.17

33.66 ± 1.05

33.16 ± 1.34

30.45 ± 1.56

30.56 ± 1.47

30.58 ± 1.38

30.24 ± 1.42

   

DTR (°C)

3.28

3.12

3.21

3.4

3.95

3.36

3.5

4.14

3.07

3.38

3.27

2.75

   

RH (%)

72.79 ± 9.21

72.88 ± 9.14

69.25 ± 5.87

68.1 ± 7

67.67 ± 6.21

70.77 ± 5

66.84 ± 8.62

58.45 ± 9.82

70.67 ± 10.31

71.69 ± 8.98

74.25 ± 10.1

74.96 ± 9.49

 

Outdoor

3

Temp (°C)

28.43 ± 0.97

27.83 ± 0.57

27.65 ± 0.59

28.91 ± 0.76

30.62 ± 1.05

32.32 ± 0.95

33.22 ± 0.93

32.91 ± 1.37

30.3 ± 1.64

30.42 ± 1.76

30.34 ± 1.56

30.04 ± 1.6

   

DTR (°C)

6

5.69

6.56

7.12

6.97

5.81

7.21

9.06

7.22

7.29

6.44

6.66

   

RH (%)

76.94 ± 8.54

78.45 ± 8.22

75.53 ± 6.47

72.62 ± 6.8

72.82 ± 4.95

75.15 ± 2.33

71.32 ± 7.33

62.36 ± 8.89

74.09 ± 9.36

75.79 ± 8.25

78.93 ± 9.11

80.36 ± 8.39

OHT

Other outdoor

6

Temp (°C)

29.75 ± 1.15

29.14 ± 1.3

29.28 ± 0.78

30 ± 1.08

31.74 ± 1.68

32.99 ± 1.7

34.15 ± 2.29

33.62 ± 2.14

31.42 ± 2.37

31.88 ± 2.6

31.4 ± 2.47

31.18 ± 2.48

   

DTR (°C)

10.4

11.19

12.07

14.21

14.62

12.4

13.81

13.21

11.73

14.56

12.82

13.56

   

RH (%)

80.49 ± 9.89

80.41 ± 9.09

75.67 ± 6.67

76.59 ± 9.92

81.9 ± 10.07

84.08 ± 10.15

79.49 ± 13.03

85.41 ± 13.57

75.03 ± 5.76

76.16 ± 9.87

81.5 ± 10.39

78.17 ± 9

Well

Other outdoor

6

Temp (°C)

27.44 ± 0.77

27.1 ± 0.51

26.96 ± 0.55

27.38 ± 0.71

28.36 ± 0.84

30.01 ± 0.89

30.74 ± 0.91

29.96 ± 1.12

28.66 ± 0.97

28.42 ± 0.91

28.17 ± 0.93

27.99 ± 0.92

   

DTR (°C)

1.08

0.89

0.93

1.19

1.41

2.82

3.88

3.35

2.14

2.15

1.07

0.96

   

RH (%)

94.26 ± 7.43

90.86 ± 8.3

91.14 ± 8.77

88.01 ± 6.52

84.97 ± 16.67

83 ± 17.97

88.61 ± 7.67

91 ± 6.68

95.09 ± 4.97

93.98 ± 4.47

94.83 ± 4.12

96.14 ± 3.44

Vegetation

Other outdoor

6

Temp (°C)

27.77 ± 1.12

27.01 ± 0.95

26.72 ± 0.8

27.33 ± 0.78

28.75 ± 1

30.72 ± 0.65

31.7 ± 0.84

31.32 ± 1.3

28.97 ± 1.46

28.82 ± 1.46

28.84 ± 1.44

28.4 ± 1.48

   

DTR (°C)

6.65

5.27

6.36

6.49

7.24

7.58

7.29

8.41

6.26

6.02

6.11

5.27

   

RH (%)

75.34 ± 8.72

77.4 ± 7.78

74.88 ± 6.69

74.87 ± 7.69

78.43 ± 7.7

78.98 ± 4.52

73.61 ± 7.95

67.77 ± 11

84.89 ± 10.21

81.5 ± 7.33

83.03 ± 5.25

81.07 ± 4.94