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Windchill Table (NOAA) - PHP Science Labs

Windchill Table (NOAA Formula)   

F=True Fahrenheit Temperature,           W=Wind Speed mi / h
   F +40 +35 +30 +25 +20 +15 +10  +5   0  -5 -10 -15 -20 -25 -30 -35 -40 -45 F   
 W                                                                             W 
 5   +36 +31 +25 +19 +13  +7  +1  -5 -11 -16 -22 -28 -34 -40 -46 -52 -57 -63   5 
 10  +34 +27 +21 +15  +9  +3  -4 -10 -16 -22 -28 -35 -41 -47 -53 -59 -66 -72  10 
 15  +32 +25 +19 +13  +6   0  -7 -13 -19 -26 -32 -39 -45 -51 -58 -64 -71 -77  15 
 20  +30 +24 +17 +11  +4  -2  -9 -15 -22 -29 -35 -42 -48 -55 -61 -68 -74 -81  20 
 25  +29 +23 +16  +9  +3  -4 -11 -17 -24 -31 -37 -44 -51 -58 -64 -71 -78 -84  25 
 30  +28 +22 +15  +8  +1  -5 -12 -19 -26 -33 -39 -46 -53 -60 -67 -73 -80 -87  30 
 35  +28 +21 +14  +7   0  -7 -14 -21 -27 -34 -41 -48 -55 -62 -69 -76 -82 -89  35 
 40  +27 +20 +13  +6  -1  -8 -15 -22 -29 -36 -43 -50 -57 -64 -71 -78 -84 -91  40 
 45  +26 +19 +12  +5  -2  -9 -16 -23 -30 -37 -44 -51 -58 -65 -72 -79 -86 -93  45 
 50  +26 +19 +12  +4  -3 -10 -17 -24 -31 -38 -45 -52 -60 -67 -74 -81 -88 -95  50 
 55  +25 +18 +11  +4  -3 -11 -18 -25 -32 -39 -46 -54 -61 -68 -75 -82 -89 -97  55 
 60  +25 +17 +10  +3  -4 -11 -19 -26 -33 -40 -48 -55 -62 -69 -76 -84 -91 -98  60 
 W                                                                             W 
   F +40 +35 +30 +25 +20 +15 +10  +5   0  -5 -10 -15 -20 -25 -30 -35 -40 -45 F   
 

The windchill table above is in the same format as the table on the NOAA web site.  Note that the progression of the temperature values increases positively to the left and negatively to the right.  This is opposite to the convention of the standard (X-axis) number line where negative is to the left and positive is to the right.  This convention may seem uncomfortable to some people, so there is the alternative table format below, which may feel more comfortable.

   F -45 -40 -35 -30 -25 -20 -15 -10  -5   0  +5 +10 +15 +20 +25 +30 +35 +40 F   
 W                                                                             W 
 5   -63 -57 -52 -46 -40 -34 -28 -22 -16 -11  -5  +1  +7 +13 +19 +25 +31 +36   5 
 10  -72 -66 -59 -53 -47 -41 -35 -28 -22 -16 -10  -4  +3  +9 +15 +21 +27 +34  10 
 15  -77 -71 -64 -58 -51 -45 -39 -32 -26 -19 -13  -7   0  +6 +13 +19 +25 +32  15 
 20  -81 -74 -68 -61 -55 -48 -42 -35 -29 -22 -15  -9  -2  +4 +11 +17 +24 +30  20 
 25  -84 -78 -71 -64 -58 -51 -44 -37 -31 -24 -17 -11  -4  +3  +9 +16 +23 +29  25 
 30  -87 -80 -73 -67 -60 -53 -46 -39 -33 -26 -19 -12  -5  +1  +8 +15 +22 +28  30 
 35  -89 -82 -76 -69 -62 -55 -48 -41 -34 -27 -21 -14  -7   0  +7 +14 +21 +28  35 
 40  -91 -84 -78 -71 -64 -57 -50 -43 -36 -29 -22 -15  -8  -1  +6 +13 +20 +27  40 
 45  -93 -86 -79 -72 -65 -58 -51 -44 -37 -30 -23 -16  -9  -2  +5 +12 +19 +26  45 
 50  -95 -88 -81 -74 -67 -60 -52 -45 -38 -31 -24 -17 -10  -3  +4 +12 +19 +26  50 
 55  -97 -89 -82 -75 -68 -61 -54 -46 -39 -32 -25 -18 -11  -3  +4 +11 +18 +25  55 
 60  -98 -91 -84 -76 -69 -62 -55 -48 -40 -33 -26 -19 -11  -4  +3 +10 +17 +25  60 
 W                                                                             W 
   F -45 -40 -35 -30 -25 -20 -15 -10  -5   0  +5 +10 +15 +20 +25 +30 +35 +40 F   
 

windchill_table.txt · Last modified: 2014/04/07 05:43 (external edit)