20
SAFETY
Operator Safety
Windchill/Temperature Charts
The following information is provided to help you determine when tem-
peratures become dangerous for riding.
WIND CHILL CHART (_F)
WIND CHILL CHART (_C)
Estimated Wind
Speed in MPH
Actual Thermometer Reading (_F)
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 483727 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
Greater Than
40 MPH Have
Little Added
Effect
Little Danger
(For Properly
clothed Person)
Increasing
Danger
Great
Danger
Danger of Freezing Exposed Flesh
Estimated Wind
Speed in KPH
Actual Thermometer Reading (_C)
5 0 -5 -10 -15 -20 -25 -30 -35 -40
Equivalent Temperature (_C)
050-5-10-15-20
-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
Danger of Freezing Exposed Flesh