Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 082022 RRA
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
422 PM EDT FRI MAY 8 2015

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

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              94   04/25/1960
                        04/23/1960
                        04/20/1941
 LOW               20   04/04/1965
HIGHEST            80   04/18        85      -5
LOWEST             31   04/01        29       2
AVG. MAXIMUM     66.1              64.6     1.5     64.1
AVG. MINIMUM     43.0              42.7     0.3     41.9
MEAN             54.5              53.7     0.8
DAYS MAX >= 90      0               0.2    -0.2
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      1               2.8    -1.8
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.70   1889
 MINIMUM         0.39   1985
TOTALS           4.30              3.19    1.11     8.60
DAILY AVG.       0.14              0.11    0.03
DAYS >= .01        15              10.8     4.2
DAYS >= .10        10               6.3     3.7
DAYS >= .50         3               2.4     0.6
DAYS >= 1.00        1               0.6     0.4
GREATEST
 24 HR. TOTAL    1.44   04/19 TO 04/20

SNOWFALL (INCHES)
RECORDS
 TOTAL            9.4   1924
TOTALS            0.0                 T     0.0
SINCE 7/1        28.7              20.1     8.6
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               0.1    -0.1
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL     310               354     -44      360
 SINCE 7/1       4902              4615     287     4930
COOLING TOTAL       5                13      -8        7
 SINCE 1/1          5                14      -9        7
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
HIGHEST WIND SPEED/DIRECTION    31/270    DATE  04/22
HIGHEST GUST SPEED/DIRECTION    49/260    DATE  04/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      1
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 AIRPORT...

THE MONTHLY AVERAGE TEMPERATURE WAS SLIGHTLY ABOVE NORMAL. MONTHLY
PRECIPITATION WAS ABOVE NORMAL.

THIS WAS THE FIRST MONTH OF 2015 TO HAVE AN ABOVE NORMAL MONTHLY
AVERAGE TEMPERATURE.

ON THE 18TH...BALTIMORE MD HAD A HIGH OF 80 DEGREES. THIS WAS THE
WARMEST TEMPERATURE OBSERVED SINCE OCTOBER 28TH 2014.

DESPITE THE MILDER WEATHER...THE TEMPERATURE ONLY REACHED 80 DEGREES
THE ONE TIME. THIS WAS THE FEWEST DAYS OF 80 DEGREE OR HIGHER
TEMPERATURES IN APRIL SINCE 2000.

$$


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