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alias windVariableDirectionTrend4 = false;
if (substr(g,-2,2) is "KT") {
constant windUnitsTrend4="knots" :dump;
rename(g,windInKnotsTrend4) ;
modify windInKnotsTrend4 : hidden;
windSpeedTrend4=to_string(windInKnotsTrend4,3,2) : dump;
if (substr(windInKnotsTrend4,0,3) is "VRB") {
constant windDirectionTrend4= "Variable" : dump;
alias windVariableDirectionTrend4 = true;
} else {
if (is_integer(windInKnotsTrend4,0,3)) {
windDirectionTrend4=to_string(windInKnotsTrend4,0,3) : dump;
}
}
if (substr(windInKnotsTrend4,5,1) is "G") {
windGustTrend4=to_string(windInKnotsTrend4,6,2);
}
group g : dump; non_alpha na;
}
if (substr(g,-3,3) is "KMH") {
constant windUnitsTrend4="km/h" : dump;
rename(g,windInKilometresPerHourTrend4) ;
modify windInKilometresPerHourTrend4 : hidden;
windSpeedTrend4=to_string(windInKilometresPerHourTrend4,3,2) : dump;
if (substr(windInKilometresPerHourTrend4,0,3) is "VRB") {
constant windDirectionTrend4= "Variable" : dump;
alias windVariableDirectionTrend4 = true;
} else {
if (is_integer(windInKilometresPerHourTrend4,0,3)) {
windDirectionTrend4=to_string(windInKilometresPerHourTrend4,0,3) : dump;
}
}
if (substr(windInKilometresPerHourTrend4,5,1) is "G") {
windGustTrend4=to_string(windInKilometresPerHourTrend4,6,2);
}
group g : dump; non_alpha na;
}
if (substr(g,-3,3) is "MPS") {
constant windUnitsTrend4="m/s" : dump;
rename(g,windInMetresPerSecondTrend4) ;
modify windInMetresPerSecondTrend4 : hidden;
windSpeedTrend4=to_string(windInMetresPerSecondTrend4,3,2) : dump;
if (substr(windInMetresPerSecondTrend4,0,3) is "VRB") {
constant windDirectionTrend4= "Variable" : dump;
alias windVariableDirectionTrend4 = true;
} else {
if (is_integer(windInMetresPerSecondTrend4,0,3)) {
windDirectionTrend4=to_string(windInMetresPerSecondTrend4,0,3) : dump;
}
}
group g : dump; non_alpha na;
if (substr(windInMetresPerSecondTrend4,5,1) is "G") {
windGustTrend4=to_string(windInMetresPerSecondTrend4,6,2);
}
}
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