22
SAFETY
Operator Safety
Windchill/Temperature Charts
The following information is provided to help you determine when
temperatures become dangerous for riding.
WIND CHILL CHART (
°
F)
Estimated Wind
Speed in MPH
Actual Thermometer Reading (
°
F)
Speed in MPH
50
40
30
20
10
0
-10
-20
-30
-40
-50
-60
Equivalent Temperature (
°
F)
Calm
50
40
30
20
10
0
-10
-20
-30
-40
-50
-60
5
48
37
27
16
6
-5
-15
-26
-36
-47
-57
-68
10
40
28
16
4
-9
-21
-33
-46
-58
-70
-83
-95
15
36
22
9
-5
-18
-36
-45
-58
-72
-85
-99
-112
20
32
18
4
-10
-25
-39
-53
-67
-82
-96
-110 -124
25
30
16
0
-15
-29
-44
-59
-74
-88
-104
-118 -133
30
28
13
-2
-18
-33
-48
-63
-79
-94
-109 -125 -140
35
27
11
-4
-20
-35
-49
-67
-82
-98
-113
-129 -145
40
26
10
-6
-21
-37
-53
-69
-85
-100
-116
-132 -148
Wind Speeds Great-
er Than 40 MPH
Have Little Added
Little Danger
(For Properly
Clothed Person)
Increasing
Danger
Great
Danger
Have Little Added
Effect
Clothed Person)
Danger From Freezing of Exposed Flesh
WIND CHILL CHART (
°
C)
Estimated Wind Speed
in KPH
Actual Thermometer Reading (
°
C)
in KPH
5
0
-5
-10
-15
-20
-25
-30
-35
-40
Equivalent Temperature (
°
C)
0
5
0
-5
-10
-15
-20
-25
-30
-35
-40
10
1
-4
-11
-16
-22
-27
-33
-38
-45
-50
20
-4
-9
-17
-23
-29
-36
-42
-48
-54
-61
30
-7
-13
-21
-28
-35
-42
-48
-55
-63
-69
40
-9
-16
-24
-32
-39
-47
-53
-61
-69
-76
50
-11
-18
-26
-34
-41
-49
-57
-64
-73
-80
60
-12
-19
-27
-35
-43
-51
-59
-66
-75
-82
70
-13
-20
-28
-36
-44
-52
-60
-68
-76
-84
Wind Speeds Greater
Than 70 KPH Have Little
Added Effect
Little Danger
(For Properly
Clothed Person)
Increasing
Danger
Great
Danger
Added Effect
Clothed Person)
Danger From Freezing of Exposed Flesh
