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| November 2006
climate report for Tucson |
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...HIGHLIGHTS...
...6TH WARMEST NOVEMBER ON RECORD...
...40TH DRIEST AND 34TH WARMEST FALL ON RECORD...
HIGH PRESSURE OVER THE EASTERN PACIFIC AND THE DESERT SOUTHWEST
DOMINATED THE WEATHER DURING NOVEMBER. THIS LED TO MOST OF THE MONTH
HAVING MUCH ABOVE NORMAL TEMPERATURES. THE STRENGTH OF THE HIGH
PRESSURE OVERHEAD KEPT STORM SYSTEM WEEL TO OUR NORTH UNTIL LATE IN
THE MONTH.
THE MONTH STARTED OFF WITH HIGH TEMPERATURES BEING 8 TO 14 DEGREES
ABOVE NORMAL THROUGH THE 11TH WITH RECORD HIGHS BEING APPROACHED ON
THE 7TH (88 DEGREES) AND 8TH (89 DEGREES). AN UPPER LEVEL TROUGH
MOVED THROUGH THE STATE BETWEEN THE 12TH AND 15TH...WHICH LOWERED
HIGH TEMPERATURES NEAR NORMAL. THE EASTERN PACIFIC HIGH REBUILT
OVER THE AREA BETWEEN THE 16TH AND 23RD...WHICH LED TO THE HIGHS
BEING ONCE AGAIN 8 TO 14 DEGREES ABOVE NORMAL. DURING THE LAST WEEK
OF THE MONTH...A BROAD AREA OF LOW PRESSURE DEVELOPED OVER THE
WESTERN UNITED STATES WHICH STARTED A GRADUAL COOLING TREND. THIS
SYSTEM MOVED THROUGH THE STATE ON THE 29TH AND BROUGHT SOME VERY
LIGHT RAIN...MOUNTAINS FLURRIES AND GUSTY WINDS TO THE AREA. THE
GUSTY WINDS DEVELOPED AREAS OF BLOWING DUST IN PINAL COUNTY WHICH
SPREAD ACROSS THE AREA DURING THE AFTERNOON. AS THIS SYSTEM MOVED
EAST...IT USHERED IN THE COLDEST AIR SINCE MID-MARCH WITH LOW
TEMPERATURES ON THE 30TH BEING IN THE MID TO UPPER 20S. THIS
PROMPTED THE ISSUANCE OF A HARD FREEZE WARNING.
THE AVERAGE MONTHLY TEMPERATURE OF 63.0 DEGREES RANKS AS THE 6TH
WARMEST ON RECORD. TEMPERATURE EXTREMES FOR THE MONTH RANGED FROM
A HIGH OF 89 DEGREES ON THE 9TH TO A LOW OF 27 DEGREES ON THE 30TH.
TOP 6 WARMEST NOVEMBERS ON RECORD...
1) 65.4 IN 1999
2) 64.3 IN 1949
3) 64.0 IN 1894
4) 63.2 IN 1942
5) 63.1 IN 1995
6) 63.0 IN 2006 & 1950
THE STORM SYSTEM THAT MOVE THROUGH THE AREA ON THE 29TH BROUGHT VERY
LIGHT RAIN TO THE AREA WITH AMOUNTS LESS THAN FIVE-HUNDREDTHS
/0.05"/. OFFICIALLY THE AIRPORT RECORDED A TRACE OF RAIN...WHICH
MARKS THE 21ST NOVEMBER WITH NO MEASURABLE RAIN.
NOVEMBER RAINFALL TOTALS SINCE 1992 (NORMAL IS 0.67")...
1992 ..... TRACE 1997 ..... 0.49" 2002 ..... 0.23"
1993 ..... 0.98" 1998 ..... 0.67" 2003 ..... 1.03"
1994 ..... 1.83" 1999 ..... 0.00" 2004 ..... 0.44"
1995 ..... 0.86" 2000 ..... 1.37" 2005 ..... 0.00"
1996 ..... 0.19" 2001 ..... 0.05" 2006 ..... TRACE
...NOVEMBER 2006 STATS... MONTH NORMAL DEPARTURE
AVERAGE HIGH TEMPERATURE 78.8 72.3 + 6.5
AVERAGE LOW TEMPERATURE 47.2 45.1 + 2.1
AVERAGE TEMPERATURE 63.0 58.7 + 4.3
RAINFALL TRACE 0.67" - 0.67
...FALL 2006 STATS... FALL NORMAL DEPARTURE
AVERAGE HIGH TEMPERATURE 84.4 83.4 + 1.0
AVERAGE LOW TEMPERATURE 56.8 56.6 + 0.2
AVERAGE TEMPERATURE 70.6 70.0 + 0.6
RAINFALL (AIRPORT) 1.87" 3.33" - 1.46"
2006 CURRENTLY RANKS AS THE 9TH WARMEST YEAR ON RECORD WITH AN
AVERAGE YEARLY TEMPERATURE OF 72.0 DEGREES. RAINFALL...FOR THE
FIRST TIME SINCE 2000...WAS ABOVE NORMAL ON NOVEMBER 30TH WITH
11.19 INCHES BEING RECORDED AT THE INTERNATIONAL AIRPORT. THIS
CURRENTLY IS RANKED AS THE 39TH WETTEST YEAR TO DATE.
YEARLY RAINFALL TOTALS THROUGH NOVEMBER 30TH SINCE 1992...
1992 ..... 12.95" 1997 ..... 7.68" 2002 ..... 7.20"
1993 ..... 14.85" 1998 ..... 13.17" 2003 ..... 9.89"
1994 ..... 7.92" 1999 ..... 9.68" 2004 ..... 6.91"
1995 ..... 10.96" 2000 ..... 12.44" 2005 ..... 9.56"
1996 ..... 10.50" 2001 ..... 7.21" 2006 ..... 11.19"
...2006 STATS THRU NOVEMBER... YEAR NORMAL DEPARTURE
AVERAGE HIGH TEMPERATURE 85.7 84.2 + 1.5
AVERAGE LOW TEMPERATURE 58.3 56.3 + 2.0
AVERAGE TEMPERATURE 72.0 70.2 + 1.8
HIGHS OF 100 DEGREES OR BETTER 50 55 - 5
RAINFALL 11.19" 11.14" + 0.05"
...LOOKING AHEAD INTO DECEMBER...
THE CLIMATE PREDICTION CENTER FORECASTS THAT THE MONTH OF DECEMBER
WILL HAVE EQUAL CHANCES FOR ABOVE...NEAR AND BELOW NORMAL
TEMPERATURES. THERE IS A SLIGHTLY ELEVATED CHANCE FOR ABOVE NORMAL
PRECIPITATION.
DECEMBER DATA...
AVERAGE HIGH TEMPERATURE ......... 64.3 DEGREES
AVERAGE LOW TEMPERATURE........... 39.8 DEGREES
AVERAGE MONTHLY TEMPERATURE ...... 52.0 DEGREES
RECORD HIGH TEMPERATURE .......... 85 DEGREES ON DECEMBER 29 1921
(LAST OF 4 OCCURRENCES)
RECORD LOW TEMPERATURE ........... 10 DEGREES ON DECEMBER 14 1901
WARMEST DECEMBER (AVG) ........... 58.1 DEGREES IN 1980
COLDEST DECEMBER (AVG) ........... 45.0 DEGREES IN 1911
NORMAL RAINFALL .................. 1.07 INCHES
WETTEST DECEMBER DAY ............. 2.15 INCHES ON DECEMBER 6 1906
WETTEST DECEMBER ................. 5.85 INCHES IN 1914
DRIEST DECEMBER .................. ZERO INCHES IN 1981
(LAST OF 6 OCCURRENCES)
RECORD DECEMBER SNOWFALL ......... 6.8 INCHES IN 1971 (8TH)
THE 2006-2007 WINTER SEASON OUTLOOK IS FOR EQUAL CHANCES OF
ABOVE...NEAR...BELOW NORMAL TEMPERATURES. DUE TO DEVELOPING EL NINO
CONDITIONS IN THE EQUATORIAL PACIFIC OCEAN...THERE IS AN ELEVATED
CHANCE OF ABOVE NORMAL PRECIPITATION.
WINTER DATA...
AVERAGE HIGH TEMPERATURE ......... 65.8 DEGREES
AVERAGE LOW TEMPERATURE........... 39.9 DEGREES
AVERAGE MONTHLY TEMPERATURE ...... 52.9 DEGREES
WARMEST WINTER (AVG) ............. 56.6 DEGREES IN 1980-1981
COLDEST WINTER (AVG) ............. 46.8 DEGREES IN 1912-1913
NORMAL RAINFALL .................. 2.90 INCHES
WETTEST WINTER ................... 9.78 INCHES IN 1992-1993
DRIEST WINTER ................... 0.01 INCHES IN 2005-2006
RECORD WINTER SNOWFALL ........... 6.8 INCHES IN 1971-1972
THE NUMBER OF DAYLIGHT HOURS WILL DECREASE FROM 10 HOURS 13 MINUTES
ON THE FIRST TO 10 HOURS 5 MINUTES ON THE 31ST...A LOSS OF 8 MINUTES.
WINTER WILL BEGIN ON DECEMBER 21ST AT 5:22 PM WHEN THE SUN REACHES
THE SOUTHERN MOST LATITUDE PART OF EARTH (23.4 DEGREES SOUTH OR ALONG
THE TROPIC OF CAPRICORN).
GLUECK
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tucson Weather Forecast Office
520 North Park Ave, Suite 304
Tucson, AZ 85719
Tel: (520) 670-6526
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