July Wet-Bulb Design Temperatures

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Technical Note (National Research Council of Canada. Division of Building

Research), 1954-09-01

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July Wet-Bulb Design Temperatures

Boyd, D. W.

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DIVISION

OF

BUILDING

RESEARCH

NATIONAL RESEARCH COUNCIL OF CANADA

'f

E

C

JH[

N II CAlL

NOTlE

No.

185

NOT FOR PUBLICATION FOR INTERNAL USE

PREPARED BY

D.W. Boyd

:r.B.H.

General Information·

ｾ

September,1954

SUBJECT

_{Jull Wet-Bulb Design Temperatures}

July wet-bulb design temperatures for bases of 1, 2*, 5 and

10 per cent are the temperatures expressed

in

_{degrees Fahrenheit at or}

above which 1, 2},

.5

_{and 10 per cent of the July hourly out-door}

wet-bulb temperatures oocur.

The five Canadian cities listed below are the only ones for

which reliable summer wet-bulb design temperatures can be obtained from

the cards punched at present.

With about 7 per cent of the observations

at Vancouver and Whitehorse not used the reliability of the design

temperatures for these two cities.tl. reduced.

City

Period

No. of

Rejeoted

July Wet-Bulb Design Tem.ps.

cards

or

used

missinJ:t

ｬｾ

21%

5%

10%

Winnipeg

_1941-49

6637

59

76

74-

73

70

Ottawa

_1941-49

6592

104-

76

₇₄

72

10

Vancouver

1941-49

6275

4-21

10

68

₆₇

65

Whitehorse 1943-49

4-847

361

60

59

58

56

Edmonton

1945..49

3642

78

67

66

65

63