Climatological Report (Monthly)
Issued by NWS Sterling, VA

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
000
CXUS51 KLWX 020424
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1125 PM EST FRI DEC 1 2017

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

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              86   11/01/1950
 LOW               12   11/30/1929
HIGHEST            77   11/03        75       2
LOWEST             21   11/11        22      -1
AVG. MAXIMUM     56.8              56.4     0.4     60.6
AVG. MINIMUM     35.5              36.5    -1.0     36.5
MEAN             46.2              46.5    -0.3
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32     13              10.3     2.7
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.68   1952
 MINIMUM         0.31   1981
TOTALS           2.15              3.30   -1.15     1.51
DAILY AVG.       0.07              0.11   -0.04
DAYS >= .01         9               8.7     0.3
DAYS >= .10         5               5.7    -0.7
DAYS >= .50         1               2.5    -1.5
DAYS >= 1.00        1               0.8     0.2
GREATEST
 24 HR. TOTAL    1.11   11/07 TO 11/07

SNOWFALL (INCHES)
RECORDS
 TOTAL            9.7   1898
TOTALS            0.0               0.4    -0.4
SINCE 7/1         0.0               0.4    -0.4
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               0.3    -0.3
DAYS >= 1.0         0               0.1    -0.1
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL     556               557      -1      486
 SINCE 7/1        747               904    -157      699
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1       1316              1164     152     1551
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    35/280    DATE  11/19
HIGHEST GUST SPEED/DIRECTION    49/280    DATE  11/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

&&

BALTIMORE MD...BALTIMORE-WASHINGTON INTERNATIONAL THURGOOD
MARSHALL AIRPORT...

THE MONTHLY AVERAGE TEMPERATURE WAS 46.2 DEGREES, WHICH IS 0.3
DEGREES BELOW THE 1981-2010 CLIMATOLOGICAL NORMAL. MONTHLY
PRECIPITATION WAS 2.15 INCHES, WHICH IS 1.15 INCHES (35 PERCENT)
BELOW THE 1981-2010 CLIMATOLOGICAL NORMAL. NO SNOW WAS RECORDED.

THERE WAS 1.11 INCHES OF RAIN ON NOVEMBER 7TH, MAKING IT THE WETTEST
ELECTION DAY ON RECORD. THE PREVIOUS WETTEST WAS 0.68 INCHES IN 1943.

A RECORD DAILY LOW TEMPERATURE OF 21 DEGREES WAS SET ON THE 11TH.
THIS TIED THE RECORD PREVIOUSLY SET IN 1973, AND TIED FOR THE
COLDEST VETERAN`S DAY TEMPERATURE ON RECORD.

CLIMATE RECORDS FOR THE BALTIMORE MD AREA HAVE BEEN KEPT AT
BALTIMORE-WASHINGTON INTERNATIONAL THURGOOD MARSHALL AIRPORT SINCE
1950. ADDITIONAL TEMPERATURE RECORDS OBSERVED DOWNTOWN EXTEND BACK
TO JULY OF 1872. PRECIPITATION RECORDS EXTEND BACK TO JANUARY OF
1871. SNOWFALL RECORDS BEGAN IN MARCH OF 1892.

ALL CLIMATE DATA ARE CONSIDERED PRELIMINARY UNTIL REVIEWED BY THE
NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION (NCEI).


$$

RCM


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.