Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 071514
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1014 AM EST WED JAN 7 2015

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

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              77   12/07/1998
                        12/06/1998
                        12/29/1984
 LOW               -3   12/30/1880
HIGHEST            69   12/01        65       4
LOWEST             20   12/31        13       7
AVG. MAXIMUM     47.4              45.3     2.1     47.5
AVG. MINIMUM     32.4              28.1     4.3     31.6
MEAN             39.9              36.7     3.2
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               2.9    -2.9
DAYS MIN <= 32     15              22.0    -7.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.06   2009
 MINIMUM         0.20   1955
TOTALS           3.58              3.37    0.21     5.27
DAILY AVG.       0.12              0.11    0.01
DAYS >= .01        15               9.9     5.1
DAYS >= .10         6               5.7     0.3
DAYS >= .50         4               2.6     1.4
DAYS >= 1.00        0               0.9    -0.9
GREATEST
 24 HR. TOTAL    0.87   12/23 TO 12/24

SNOWFALL (INCHES)
RECORDS
 TOTAL           20.4   1966
TOTALS            0.2               3.0    -2.8
SINCE 7/1         0.5               3.4    -2.9
SNOWDEPTH AVG.      0
DAYS >= TRACE       1               1.7    -0.7
DAYS >= 1.0         0               0.9    -0.9
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.2

DEGREE_DAYS
HEATING TOTAL     769               877    -108      783
 SINCE 7/1       1661              1781    -120     1708
COOLING TOTAL       0                 0       0        2
 SINCE 1/1       1084              1164     -80     1341
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    26/270    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    38/290    DATE  12/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
HAZE                      7

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

&&

BALTIMORE MD...BALTIMORE-WASHINGTON INTERNATIONAL AIRPORT...

THE MONTHLY AVERAGE TEMPERATURE IN BALTIMORE MD THIS NOVEMBER 2014
WAS WELL ABOVE NORMAL. PRECIPITATION WAS NEAR NORMAL.

AFTER A COLDER THAN NORMAL NOVEMBER...LAST MONTH RANKED AS THE 38TH
WARMEST DECEMBER ON RECORD.

EVEN THOUGH LAST MONTH WAS WARMER ON AVERAGE THAN DECEMBER
2013...THERE WAS ONE FEWER DAY WITH TEMPERATURES AT OR GREATER THAN
60 DEGREES.

ONLY 0.2 INCHES OF SNOWFALL WAS OBSERVED THE ENTIRE MONTH...THE
LOWEST DECEMBER MONTHLY SNOWFALL TOTAL SINCE 2011.

$$





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