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000
CXUS51 KLWX 041314
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
915 AM EDT WED JUL 4 2012

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

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF JUNE 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2012

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           103   06/29        95       8
LOWEST             50   06/06        49       1
AVG. MAXIMUM     85.3              83.0     2.3     86.5
AVG. MINIMUM     61.9              61.9     0.0     64.9
MEAN             73.6              72.4     1.2
DAYS MAX >= 90     11               5.2     5.8
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         9.95   1972
 MINIMUM         0.15   1954
TOTALS           2.68              3.46   -0.78     3.51
DAILY AVG.       0.09              0.12   -0.03
DAYS >= .01         9              10.6    -1.6
DAYS >= .10         4               6.4    -2.4
DAYS >= .50         2               2.3    -0.3
DAYS >= 1.00        1               1.0     0.0
GREATEST
 24 HR. TOTAL    1.55   06/01 TO 06/01

DEGREE_DAYS
HEATING TOTAL       6                15      -9        0
 SINCE 7/1       3592              4764   -1172     4541
COOLING TOTAL     271               238      33      328
 SINCE 1/1        463               322     141      513
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    47/280    DATE  06/29
HIGHEST GUST SPEED/DIRECTION    66/290    DATE  06/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             20
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                      5

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

&&

JUNE 2012 WAS THE 17TH CONSECUTIVE MONTH IN BALTIMORE WITH A
MONTHLY AVERAGE TEMPERATURE ABOVE THE 1981-2010 MONTHLY NORMAL.

A MAXIMUM TEMPERATURE OF 103 DEGREES ON THE 29TH WAS THE SECOND
WARMEST TEMPERATURE EVER RECORDED IN JUNE FOR BALTIMORE. THE WARMEST
TEMPERATURE IN JUNE WAS 105 DEGREES ON 29 JUNE 1934. THE 103-DEGREE
READING WAS ALSO TIED FOR THE 12TH WARMEST TEMPERATURE RECORDED
DURING ANY MONTH.

A MAXIMUM TEMPERATURE OF 100 DEGREES ON THE 21ST TIED THE DAILY
MAXIMUM TEMPERATURE RECORD SET IN 1923.

THE TEMPERATURE REACHED 90 DEGREES OR HIGHER ON 11 DAYS THIS JUNE...
SIX MORE DAYS THAN THE 1981-2010 NORMAL FOR JUNE.

JUNE 2012 WAS THE SIXTH CONSECUTIVE MONTH OF BELOW-NORMAL RAINFALL.
OVER HALF OF THE MONTHLY RAINFALL OCCURRED ON THE 1ST.

A 66-MPH WIND GUST WAS MEASURED AT BWI AIRPORT ON THE EVENING OF THE
29TH WHEN A DERECHO PRODUCED WIDESPREAD DAMAGING WINDS ACROSS THE
AREA.

A BRIEF TORNADO WAS OBSERVED ON AIRPORT PROPERTY ON THE 1ST.

$$
JRK/KLW/SMZ