Climatological Report (Monthly)
Issued by NWS Sterling, VA

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
000 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

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.