Climatological Report (Monthly)
Issued by NWS Portland, ME

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CXUS51 KGYX 032141
CLMCON

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
441 PM EST SAT JAN 3 2015

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

...THE CONCORD NH CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1868 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              73   12/07/1998
 LOW              -24   12/20/1875
HIGHEST            53   12/01        56      -3       49  12/21
                                                          12/03
LOWEST              6   12/08        -2       8      -13  12/17
AVG. MAXIMUM     37.8              36.3     1.5     32.3
AVG. MINIMUM     24.8              17.2     7.6     14.7
MEAN             31.3              26.8     4.5     23.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      5              10.6    -5.6       14
DAYS MIN <= 32     24              28.4    -4.4       29
DAYS MIN <= 0       0               2.4    -2.4        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.64   1936
 MINIMUM         0.58   1943
TOTALS           5.16              3.20    1.96     3.39
DAILY AVG.       0.17              0.10    0.07     0.11
DAYS >= .01        16              10.9     5.1       18
DAYS >= .10        11               6.4     4.6        8
DAYS >= .50         3               2.3     0.7        2
DAYS >= 1.00        1               0.8     0.2        1
GREATEST
 24 HR. TOTAL    1.12   12/09 TO 12/10

SNOWFALL (INCHES)
RECORDS
 TOTAL           44.5   2007
TOTALS            3.7              14.5   -10.8     19.9
SINCE 7/1        16.6              17.1    -0.5     20.1
SNOWDEPTH AVG.      4
DAYS >= TRACE       8               6.6     1.4       14
DAYS >= 1.0         1               3.8    -2.8        5
GREATEST
 SNOW DEPTH         7   12/06
                        12/01
 24 HR TOTAL      1.4   12/05 TO 12/06

DEGREE_DAYS
HEATING TOTAL    1036              1186    -150     1278
 SINCE 7/1       2540              2746    -206     2795
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        387               452     -65      537
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    28/280    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    38/030    DATE  12/09

SKY COVER
AVERAGE SKY COVER           0.60

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 2
RAIN                      6     LIGHT RAIN                12
FREEZING RAIN             3     LT FREEZING RAIN           4
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                7     FOG                       19
FOG W/VIS <= 1/4 MILE     2     HAZE                       0

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

&&

DECEMBER 2014 WAS THE 15TH WARMEST AND 15TH WETTEST ON RECORD AT
CONCORD. ALTHOUGH THE MONTH STARTED OFF BELOW NORMAL WITH A FEW
BOUTS OF SNOW, THE MIDDLE AND LATER PARTS OF THE MONTH WERE WARMER.
THE WEEK AROUND CHRISTMAS FEATURED SEVERAL DAYS IN THE UPPER 40S TO
NEAR 50 DEGREES AND THE EARLY SNOW PACK BEGAN TO DWINDLE BY THE END
OF THE MONTH.

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 31.3 DEGREES. THIS WAS 4.5
DEGREES ABOVE NORMAL. 2014 WAS THE 15TH WARMEST ON RECORD AT CONCORD
OUT OF THE 147 YEAR HISTORY OF WEATHER RECORDS. THE WARMEST DECEMBER
WAS 1891 WITH AN AVERAGE TEMPERATURE OF 35.4 DEGREES. THE COLDEST
WAS 1989 AT ONLY 11.9 DEGREES.

THE WARM DECEMBER WAS LARGELY DUE TO LOW TEMPERATURES WELL ABOVE
NORMAL. THE AVERAGE LOW WAS 24.8 DEGREES OR 7.6 DEGREES ABOVE
NORMAL. THIS WAS THE WARMEST AVERAGE DECEMBER LOW SINCE 1923 WHEN
THE AVERAGE LOW WAS 25.6 DEGREES.

A TOTAL OF 5.16 INCHES OF PRECIPITATION FELL IN DECEMBER. THIS WAS
1.96 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL FROM THE
9TH THROUGH THE 11TH WHEN 1.73 INCHES WAS RECORDED. IT WAS THE 15TH
WETTEST DECEMBER IN 147 YEARS OF RECORDS AT CONCORD. THE WETTEST
DECEMBER ON RECORD WAS 1936 WITH 7.64 INCHES OF PRECIPITATION. THE
DRIEST WAS 1943 WITH ONLY 0.58 INCHES.

THERE WAS 3.7 INCHES OF SNOW IN DECEMBER. THIS WAS 10.8 INCHES BELOW
NORMAL. THE MOST SNOW FELL OVERNIGHT ON THE 5TH AND 6TH WHEN 1.4
INCHES WAS MEASURED. ALTHOUGH THE MONTH STARTED WITH 7 INCHES OF
SNOW ON THE GROUND IT ENDED WITH ONLY TRACES LEFT. THE SNOWIEST
DECEMBER ON RECORD WAS 2007 WITH 45.3 INCHES. BY CONTRAST ONLY
TRACES OF SNOW WERE OBSERVED IN 1999 AND 1928.

THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN DECEMBER 2014...
NO RECORDS WERE TIED OR BROKEN

$$

KIMBLE


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