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OPERATION WARNINGS
Windchill/Temperatu re Charts
The following information is provided as a guide to determine what
temperatures are dangerous when riding your snowmobile.
WIND CHILL CHART (°F)
Estimated
W
i
n
d
Actual Thermometer Reading (°F)
W
i
n
d
Speed in
M
P
H
50 40 30 20 10 0 -10 -20 -30 -40 -50 -60
MPH
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 -- 5 7 -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
Little Danger
(For Properly
Clothed Person)
Increasing
Danger
Great
Danger
T
h
a
n
4
0
MPH Have
Little Add-
ed Effect
Danger From Freezing of Exposed Flesh