Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000
CXUS51 KLWX 020135
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
935 PM EDT SAT JUL 1 2017

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

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF JUNE 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             105   06/29/1934
 LOW               40   06/11/1972
HIGHEST            97   06/13        95       2
LOWEST             48   06/08        49      -1
AVG. MAXIMUM     85.2              83.0     2.2     83.8
AVG. MINIMUM     62.3              61.9     0.4     62.2
MEAN             73.7              72.4     1.3
DAYS MAX >= 90      8               5.2     2.8
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.09   2015
 MINIMUM         0.15   1954
TOTALS           1.40              3.46   -2.06     3.20
DAILY AVG.       0.05              0.12   -0.07
DAYS >= .01         5              10.6    -5.6
DAYS >= .10         4               6.4    -2.4
DAYS >= .50         1               2.3    -1.3
DAYS >= 1.00        0               1.0    -1.0
GREATEST
 24 HR. TOTAL    0.91   06/19 TO 06/19

DEGREE_DAYS
HEATING TOTAL      11                15      -4        4
 SINCE 7/1       3862              4764    -902     4004
COOLING TOTAL     279               238      41      250
 SINCE 1/1        387               322      65      352
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    29/310    DATE  06/19
HIGHEST GUST SPEED/DIRECTION    37/320    DATE  06/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             20
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

-  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 ABOVE NORMAL. MONTHLY
PRECIPITATION WAS WELL BELOW NORMAL...AND RANKED AS THE DRIEST
JUNE SINCE 1991.

A RECORD DAILY HIGH TEMPERATURE OF 97 DEGREES WAS SET ON THE
13TH...TYING THE RECORD PREVIOUSLY SET IN 1956.

A RECORD DAILY LOW TEMPERATURE OF 51 DEGREES WAS SET ON THE
28TH...BREAKING THE PREVIOUS RECORD OF 53 SET IN 1970.

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).

$$

DH/HTS



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