Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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CXUS51 KBUF 042224
CLMBUF

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
852 AM EST THU JAN 1 2015

...................................

...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              74   12/03/1982
 LOW              -10   12/25/1980
HIGHEST            57   12/24                         61  12/05
LOWEST             15   12/31                          2  12/25
AVG. MAXIMUM     38.8              36.1     2.7     34.3
AVG. MINIMUM     28.3              24.1     4.2     21.6
MEAN             33.5              30.1     3.4     28.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      8              10.6    -2.6       16
DAYS MIN <= 32     23              24.3    -1.3       27
DAYS MIN <= 0       0               0.5    -0.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.71   1990
 MINIMUM         0.69   1943
TOTALS           2.15              3.89   -1.74     4.93
DAYS >= .01        11                                 18
DAYS >= .10         8                                  9
DAYS >= .50         0                                  3
DAYS >= 1.00        0                                  2
GREATEST
 24 HR. TOTAL    0.55   12/10 TO 12/11

SNOWFALL (INCHES)
RECORDS
 TOTAL           82.7   2001
TOTALS           11.3              27.4   -16.1     28.5
SINCE 7/1        31.8              36.2    -4.4
SNOWDEPTH AVG.      1                 4      -3        2
DAYS >= 1.0         3               6.5    -3.5        9
GREATEST
 SNOW DEPTH         6   12/12                          9  12/18
                        12/11
 24 HR TOTAL      8.0   12/11 TO 12/11

DEGREE_DAYS
HEATING TOTAL     968              1082    -114     1140
 SINCE 7/1       2266              2415    -149     2458
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        516               544     -28      611
...................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    44/240
HIGHEST GUST SPEED/DIRECTION    57/240    DATE  12/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         22

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               2
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       1
HEAVY SNOW                1     SNOW                       8
LIGHT SNOW               12     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

DECEMBER STARTED IN TYPICAL FASHION WITH EARLY WINTERS COLDNESS AND
SOME SNOW. BY THE CLOSE OF THE SECOND WEEK...A PATTERN CHANGE
BROUGHT WARM PACIFIC AIR ACROSS THE GREAT LAKES AND THIS FLOW KEPT
THE REGION VIRTUALLY SNOW-FREE FOR THE REMAINDER OF THE MONTH.

THE AVERAGE TEMPERATURE FOR THE MONTH OF DECEMBER WAS 33.5F
DEGREES...WHICH IS ABOUT THREE AND A HALF DEGREES ABOVE NORMAL. FOR
THE FIRST TIME IN FOUR DECEMBERS WE DID NOT REACH ABOVE 60F...THOUGH
THE 4 DAYS THAT DID REACH INTO THE 50S WAS ONE MORE THAN NORMAL. THE
COLDEST TEMPERATURE THIS MONTH WAS 15F DEGREES WHICH OCCURRED ON THE
LAST DAY OF DECEMBER. THERE WERE ONLY TWO DAYS THIS MONTH WHEN THE
MINIMUM TEMPERATURE DIPPED DOWN INTO THE TEENS...MAKING THIS
DECEMBER THE NINTH SUCH DECEMBER IN RECORDED HISTORY THAT HAD ONLY
TWO DAYS OR LESS WITH MINIMUM TEMPERATURES IN THE TEENS. THERE WERE
NO TEMPERATURE RECORDS OR EXTREMES THIS MONTH.

PRECIPITATION FOR THE MONTH WAS WELL BELOW THE NORMAL OF 3.89
INCHES. RAINFALL ACCOUNTED FOR ABOUT 75 PERCENT OF THE 2.15 INCHES
OF PRECIPITATION THIS MONTH.

SNOWFALL WAS ALSO WELL BELOW NORMAL FOR DECEMBER. IN WHAT IS USUALLY
PRIME SEASON FOR LAKE EFFECT SNOW...THIS MONTH HAD VERY LITTLE LAKE
SNOWS TO SPEAK OF. THE 5 DAYS OF MEASURABLE SNOWFALL AT THE
AIRPORT WAS TIED FOR THE LEAST AMOUNT OF DAYS WITH MEASURABLE
SNOWFALL IN THE PAST 70 YEARS. THROUGH THE MONTH THERE WAS 11.3
INCHES OF SNOW...MUCH LESS THAN NORMAL...AND EVEN LESS THAN NOVEMBER
2014. FOR THE 22ND TIME IN HISTORY...AND FIRST SINCE 1986...MORE
SNOWFALL OCCURRED IN THE MONTH OF NOVEMBER THAT PRECEDED THE MONTH
OF DECEMBER. THERE WAS A RECORD DAILY SNOWFALL WITH THE 8.0 INCHES
OF SYNOPTIC SNOW THAT FELL ON THE 11TH SETTING A NEW DAILY RECORD
FOR THE DATE.

A COLD FRONT CROSSED THE REGION EARLY ON THE 1ST SENDING MIDNIGHT
MILD TEMPERATURES IN THE LOWER 50S DOWN TO THE LOWER 30S BY
AFTERNOON. THROUGH THE FIRST TWO WEEKS A TROUGH OF LOW PRESSURE OVER
THE EASTERN UNITED STATES ALLOWED FOR A COLD CANADIAN AIRMASS TO DROP
SOUTHWARD ACROSS THE GREAT LAKES. HOWEVER CONDITIONS WERE NOT
FAVORABLE FOR LAKE EFFECT SNOW. THERE WAS ONE MAJOR SYNOPTIC STORM
SYSTEM...A CLOSED LOW THAT DROPPED A HALF TO ONE FOOT OF SNOW ACROSS
WESTERN NEW YORK. BEHIND THIS SYNOPTIC SYSTEM FREEZING DRIZZLE FELL
THROUGH THE DURATION OF THE WEEKEND...THE 12TH THROUGH THE 14TH. FOR
THE REMAINDER OF THE MONTH A ZONAL WEST TO EAST FLOW
DOMINATED...WITH JUST BRIEF INTRUSIONS OF COLDER AIR. AFTER A
RELATIVELY QUIET THIRD WEEK...A CONVECTIVE LINE OF SHOWERS AHEAD OF
A COLD FRONT CROSSED THE REGION CHRISTMAS EVE...BRINGING DAMAGING
WIND GUSTS ACROSS THE NIAGARA FRONTIER...DOWNING POWER POLES AND
TREES IN VARIOUS LOCATIONS. ALSO TWO PARTIAL BUILDING COLLAPSES
OCCURRED IN BUFFALO. HIGH WINDS CONTINUED INTO CHRISTMAS DAY WITH
ADDITIONAL ISOLATED DAMAGE. THE MONTH ENDED ON A COLD NOTE WITH
LIGHT LAKE EFFECT SNOW FALLING THROUGHOUT THE REGION.

THE LAKE ERIE WATER TEMPERATURE MEASURED HERE IN BUFFALO FELL FROM A
HIGH OF 42 DEGREES ON THE 6TH DOWN TO 38 BY MONTHS END. BY THE END
OF THE MONTH THE LAKE WAS ABOUT 3 DEGREES WARMER THAN NORMAL. THERE
WERE TWO DAYS IN WHICH WIND GUSTS TOPPED 50 MPH...ON THE 24TH (51
MPH) AND THE 25TH (57 MPH).

IN ALL A MILD DECEMBER WITH A LACK OF TYPICAL LAKE EFFECT SNOW.

&&

THOMAS

$$






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