Polaris 2000 Universal Snow Owner's Safety And Maintenance Manual page 24

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