Climatological Report (Monthly)
Issued by NWS Raleigh/Durham, NC

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000 CXUS52 KRAH 011243 CLMRDU CLIMATE REPORT NATIONAL WEATHER SERVICE RALEIGH NC 739 AM EST MON JAN 1 2018 ................................... ...THE RALEIGH-DURHAM INTL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1887 TO 2017 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 81 12/10/2007 LOW 0 12/30/1917 HIGHEST 71 12/23 75 LOWEST 15 12/29 19 AVG. MAXIMUM 52.0 53.6 -1.6 54.3 AVG. MINIMUM 32.6 33.3 -0.7 34.8 MEAN 42.3 43.5 -1.2 44.5 DAYS MAX >= 90 0 0 DAYS MAX <= 32 1 1 DAYS MIN <= 32 17 11 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.78 1907 TOTALS 2.29 3.07 -0.78 2.19 DAYS >= .01 4 DAYS >= .10 4 DAYS >= .50 1 DAYS >= 1.00 1 GREATEST 24 HR. TOTAL 1.33 12/08 TO 12/08 SNOWFALL (INCHES) RECORDS TOTAL 8.3 2010 SNOW DEPTH 4 12/27/2010 TOTALS 0.3 0.6 -0.3 0.0 SINCE 7/1 0.3 SNOWDEPTH AVG. 0 DAYS >= TRACE 3 DAYS >= 1.0 0 0.1 -0.1 0 DEGREE_DAYS HEATING TOTAL 697 670 27 627 SINCE 7/1 1279 1251 28 1082 COOLING TOTAL 0 2 -2 0 SINCE 1/1 1968 1730 238 .............................................................. WIND (MPH) AVERAGE WIND SPEED 5.1 HIGHEST WIND SPEED/DIRECTION 26/220 DATE 12/23 HIGHEST GUST SPEED/DIRECTION 36/230 DATE 12/23 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 14 NUMBER OF DAYS CLOUDY 11 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 4 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 2 SLEET 3 FOG 13 FOG W/VIS <= 1/4 MILE 3 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THERE WERE NO RECORDS SET FOR RDU IN DECEMBER. $$

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