Wind chill

From ASHRAE 1997, with permission

 

Actual thermometer reading, °C

10

5

0

-5

-10

-15

-20

-25

-30

-35

-40

-45

-50

Wind Speed, km/h

Calm

10

5

0

-5

-10

-15

-20

-25

-30

-35

-40

-45

-50

10

8

2

-3

-9

-14

-20

-25

-31

-37

-42

-48

-53

-59

20

3

-3

-10

-16

-23

-29

-35

-42

-48

-55

-61

-68

-74

30

1

-6

-13

-20

-27

-34

-42

-49

-56

-63

-70

-77

-84

40

-1

-8

-16

-23

-31

-38

-46

-53

-60

-68

-75

-83

-90

50

-2

-10

-18

-25

-33

-41

-48

-56

-64

-71

-79

-87

-94

60

-3

-11

-19

-27

-35

-42

-50

-58

-66

-74

-82

-90

-97

70

-4

-12

-20

-28

-35

-43

-51

-59

-67

-75

-83

-91

-99