Table F1. Equivalent wind chill temperature.
Temperature (F)
Calm
35
30
25
20
15
10
5
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
Equivalent Wind Chill Temperature (F)
mi/hr
knots
4
5
35
30
25
20
15
10
5
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
5
6
32
27
22
16
11
6
1
-5
-10
-15
-20
-26
-31
-36
-41
-47
-52
10
12
22
16
10
4
-2
-9
-15
-21
-27
-33
-39
-46
-52
-58
-64
-70
-76
15
17
16
9
2
-4
-11
-18
-25
-31
-38
-45
-51
-58
-65
-72
-78
-85
-92
20
23
11
4
-3
-10
-17
-24
-31
-39
-46
-53
-60
-67
-74
-81
-88
-95
-103
25
29
8
1
-7
-14
-22
-29
-36
-44
-51
-59
-66
-73
-81
-88
-96
-103
-110
30
35
6
-2
-10
-17
-25
-32
-40
-48
-55
-63
-71
-78
-86
-93
-101
-109
-116
35
40
4
-4
-12
-19
-27
-35
-43
-51
-58
-66
-74
-82
-89
-97
-105
-113
-120
40
46
3
-5
-13
-21
-29
-37
-45
-53
-60
-68
-76
-84
-92
-100
-108
-116
-123
45
52
2
-6
-14
-22
-30
-38
-46
-54
-62
-70
-78
-86
-94
-101
-109
-117
-125
Temperature (C)
Calm
2
-1
-4
-7
-9
-12
-15
-18
-21
-23
-26
-29
-32
-34
-37
-40
-43
Equivalent Wind Chill Temperature (C)
m/s
km/hr
9
6
2
0
-3
-6
-8
-11
-14
-17
-19
-22
-25
-27
-30
-33
-36
-38
-41
11
8
0
-3
-5
-8
-11
-14
-17
-20
-23
-26
-29
-31
-34
-37
-40
-43
-46
22
16
-5
-9
-12
-15
-19
-22
-26
-29
-32
-36
-39
-42
-46
-49
-53
-56
-59
34
24
-9
-12
-16
-20
-24
-27
-31
-35
-38
-42
-46
-49
-53
-57
-60
-64
-68
45
32
-11
-15
-19
-23
-27
-31
-35
-39
-43
-46
-50
-54
-58
-62
-66
-70
-74
56
40
-13
-17
-21
-25
-29
-33
-37
-42
-46
-50
-54
-58
-62
-66
-70
-74
-78
67
48
-14
-18
-23
-27
-31
-35
-39
-44
-48
-52
-56
-60
-65
-69
-73
-77
-81
78
56
-15
-20
-24
-28
-32
-37
-41
-45
-49
-54
-58
-62
-67
-71
-75
-79
-84
89
64
-16
-20
-25
-29
-33
-38
-42
-46
-51
-55
-59
-64
-68
-72
-77
-81
-85
101
72
-16
-21
-25
-30
-34
-38
-43
-47
-51
-56
-60
-65
-69
-73
-78
-82
-86
Cold
Very Cold
Bitter Cold
Extreme Cold
Comfort Scale Legend
Notes:
The wind chill formula is not valid for wind speeds of 4 mph and less.
Wind speeds greater than 40 mph have little additional cooling effect.
Due to rounding, values may vary slightly from those shown in other wind chill
charts.
Source: National Weather Service.
124