Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 021729
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1228 PM EST TUE FEB 2 2016

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016

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            62   01/10        65      -3
LOWEST             15   01/19        12       3
AVG. MAXIMUM     42.5              43.4    -0.9     42.6
AVG. MINIMUM     27.3              28.6    -1.3     28.5
MEAN             34.9              36.0    -1.1
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      5               4.4     0.6
DAYS MIN <= 32     23              19.3     3.7
DAYS MIN <= 0       0               0.1    -0.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.83   1937
 MINIMUM         0.31   1955
TOTALS           2.68              2.81   -0.13     3.73
DAILY AVG.       0.09              0.09    0.00
DAYS >= .01         8               9.6    -1.6
DAYS >= .10         5               5.6    -0.6
DAYS >= .50         3               2.1     0.9
DAYS >= 1.00        0               0.6    -0.6
GREATEST
 24 HR. TOTAL    0.97   01/23 TO 01/23

SNOWFALL (INCHES)
RECORDS
 TOTAL           31.5   1922
TOTALS           18.8               5.6    13.2
SINCE 7/1        18.8               8.4    10.4
SNOWDEPTH AVG.      2
DAYS >= TRACE       9               3.0     6.0
DAYS >= 1.0         2               1.6     0.4
GREATEST
 SNOW DEPTH        18   01/24
 24 HR TOTAL     11.3

DEGREE_DAYS
HEATING TOTAL     923               899      24      904
 SINCE 7/1       1879              2380    -501     2160
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.5
HIGHEST WIND SPEED/DIRECTION    36/330    DATE  01/23
HIGHEST GUST SPEED/DIRECTION    44/280    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW                9     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      3
HAZE                      4

-  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 BELOW NORMAL. MONTHLY
PRECIPITATION WAS NEAR NORMAL...BUT MONTHLY SNOWFALL WAS WELL ABOVE
NORMAL AND RANKED AS THE 8TH SNOWIEST JANUARY ON RECORD.

WASHINGTON DC RECORDED ITS FIRST MEASURABLE SNOWFALL OF THE 2015-
16 WINTER SEASON ON THE 17TH.

A PRELIMINARY RECORD DAILY SNOWFALL OF 11.3 INCHES WAS SET ON THE
23RD...BREAKING THE OLD RECORD OF 11.0 SET IN 1935.

A PRELIMINARY STORM TOTAL SNOWFALL OF 17.8 INCHES ON THE 22ND-23RD
WOULD TIE WITH FEBRUARY 5TH-6TH 2010 FOR THE 4TH LARGEST SNOWSTORM
ON RECORD IN WASHINGTON DC.

$$

DH/SMZ


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