Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 022140
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
440 PM EST MON FEB 2 2015

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              79   01/26/1950
 LOW              -14   01/01/1881
HIGHEST            67   01/04        65       2
LOWEST             12   01/08        12       0
AVG. MAXIMUM     42.6              43.4    -0.8     40.8
AVG. MINIMUM     28.5              28.6    -0.1     23.7
MEAN             35.6              36.0    -0.4
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      4               4.4    -0.4
DAYS MIN <= 32     21              19.3     1.7
DAYS MIN <= 0       0               0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.83   1937
 MINIMUM         0.31   1955
TOTALS           3.73              2.81    0.92     2.58
DAILY AVG.       0.12              0.09    0.03
DAYS >= .01        11               9.6     1.4
DAYS >= .10         8               5.6     2.4
DAYS >= .50         4               2.1     1.9
DAYS >= 1.00        0               0.6    -0.6
GREATEST
 24 HR. TOTAL    1.13   01/23 TO 01/24

SNOWFALL (INCHES)
RECORDS
 TOTAL           31.5   1922
TOTALS            3.6               5.6    -2.0
SINCE 7/1         3.6               8.4    -4.8
SNOWDEPTH AVG.      0
DAYS >= TRACE       9               3.0     6.0
DAYS >= 1.0         1               1.6    -0.6
GREATEST
 SNOW DEPTH         2   01/08
                        01/07
 24 HR TOTAL      2.4

DEGREE_DAYS
HEATING TOTAL     904               899       5     1008
 SINCE 7/1       2160              2380    -220     2412
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    31/320    DATE  01/30
HIGHEST GUST SPEED/DIRECTION    46/230    DATE  01/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         16

AVERAGE RH (PERCENT)     55

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW                8     SLEET                      1
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                     11

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

&&

WASHINGTON DC...REAGAN NATIONAL AIRPORT...

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

LAST MONTH WAS THE FIRST JANUARY WITH ABOVE NORMAL PRECIPITATION
SINCE 2006.

DESPITE THE ABOVE NORMAL PRECIPITATION AND NEAR NORMAL
TEMPERATURES...MONTHLY SNOWFALL WAS WELL BELOW NORMAL.

$$





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