470  
NOAK49 PAMC 071445  
PNSMCG  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE MCGRATH AK  
545 AM AKST SAT NOV 7 2009  
   
..ANOTHER WILD OCTOBER FOR 2009  
 
THE FIRST HALF OF OCTOBER 2009 WAS KNOWN FOR ITS WELL ABOVE AVERAGE  
TEMPERATURES. A TOTAL OF 7 DAILY TEMPERATURE RECORDS WERE SET OR  
TIED FROM THE 7TH THROUGH 12TH. THE MOST SIGNIFICANT OF THESE WAS  
THE 67 DEGREE HIGH ON THE 10TH...WHICH SMASHED THE PREVIOUS RECORD  
FOR THAT DATE BY 12 DEGREES. THIS ALSO SET A NEW ALL-TIME OCTOBER  
HIGH TEMPERATURE RECORD...WHICH PREVIOUSLY STOOD AT 66 DEGREES FROM  
OCTOBER 9 2006. THE AVERAGE TEMPERATURE FOR THE MONTH IN THE END  
WAS 34 DEGREES...ONE DEGREE SHY OF THE WARMEST OCTOBER ON RECORD  
FROM 2006. THE AVERAGE HIGH AND LOW TEMPERATURES EACH STAND IN THE  
TOP 3 WARMEST ON RECORD. DAYS WITH HIGH AND LOW TEMPERATURES BELOW  
FREEZING...AND LOW TEMPERATURES BELOW ZERO ALL STOOD IN THE TOP 5  
LOWEST TOTALS ON RECORD. THIS IS ESPECIALLY INTERESTING AS OCTOBER  
2009 WAS THE POLAR OPPOSITE OF LAST OCTOBER IN MANY WAYS. OCTOBER  
2008 WAS ONE OF THE COLDEST EVER...WHERE OVERNIGHT LOWS FELL BELOW  
ZERO ON A RECORD 15 NIGHTS IN THE MONTH...AND ABOVE NORMAL SNOWFALL  
WAS RECEIVED.  
 
OCT TOTAL RANK DEPT FROM NORM  
AVG TEMP 34.0F 2ND WARMEST +8.7F  
AVG HIGH 40.5F 2ND WARMEST +8.3F  
AVG LOW 27.5F 3RD WARMEST +9.2F  
DAYS HIGH <=32F 7 DAYS T4TH LOWEST -9.3 DAYS  
DAYS LOW <=32F 20 DAYS 3RD LOWEST -8.2 DAYS  
DAYS LOW <=0F 0 DAYS T1ST LOWEST -3.3 DAYS  
 
 
PRECIPITATION LAST MONTH WAS NO LESS SIGNIFICANT THAN THE WARM  
TEMPERATURES. 1.93" OF THE 1.95" (98.9 PERCENT) OF THE PRECIPITATION  
FOR THE MONTH WAS RECEIVED THROUGH THE WETTING RAINS FROM THE  
3RD THROUGH THE 9TH OF THE MONTH. FROM THAT POINT FORWARD...  
PRECIPITATION OF ALL KINDS SUDDENLY BECAME SCARCE. FROM OCTOBER  
10-31...MCGRATH WAS ONLY ABLE TO RECEIVE 0.02" OF LIQUID  
PRECIPITATION...WHICH IS SECOND ONLY TO OCTOBER 10-31 1960 FOR THE  
DRIEST LAST 22 DAYS OF OCTOBER ON RECORD. A MEASLY 0.8" WAS  
SNOW WAS RECEIVED IN OCTOBER...6.9 PERCENT OF THE 11.5" NORMALLY  
RECEIVED IN OCTOBER...AND GIVES OCTOBER 2009 THE 2ND LOWEST SNOWFALL  
TOTAL ON RECORD. SNOW WAS REPORTED ON ONLY 6 DAYS OF THE  
MONTH...THE LOWEST TOTAL ON RECORD  
 
OCT TOTAL RANK DEPT FROM NORM  
SNOWFALL 0.8" 2ND LOWEST -10.7"  
SNOW SINCE 7/1 5.3" 2ND LOWEST -7.2"  
SNOW DAYS 6 DAYS 1ST LOWEST -11.3 DAYS  
>=1" SNOW DAYS 0 DAYS T1ST LOWEST -3.9 DAYS  
 
SO FAR THIS WINTER...MCGRATH HAS ONLY SEEN 5.3" OF SNOWFALL...MORE  
THAN 7" BELOW NORMAL. MOST OF THIS SNOW FELL IN LATE  
SEPTEMBER...AND QUICKLY MELTED WITH THE RECORD HEAT IN EARLY  
OCTOBER. THIS LEAVES MCGRATH WITH THE RELATIVELY RARE SIGHT OF  
ONLY SPOTTY SNOW COVERAGE ON THE GROUND IN EARLY NOVEMBER.  
 
DAILY RECORDS SET OR TIED IN OCTOBER 2009...  
DAY NEW RECORD OLD RECORD(YEAR)  
OCT 3 0.47" PRECIP 0.35"(1988)  
OCT 7 39F LOW TEMP 39F(1985)  
OCT 10 67F HIGH TEMP 55F(1979) (NEW OCT HIGH TEMP RECORD)  
OCT 10 49F LOW TEMP 37F(1979)  
OCT 11 58F HIGH TEMP 54F(1969)  
OCT 11 43F LOW TEMP 39F(1969)  
OCT 12 38F LOW TEMP 36F(1969)  
 
CLIMATE NORMAL PERIOD IS FROM 1971-2000  
THE MCGRATH CLIMATE RECORD BEGAN IN 1940  
 
THIS CLIMATE SUMMARY IS PRELIMINARY AND UNOFFICIAL  
 
 
DK NOV 09  
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