Climatological Report (Monthly)
Issued by NWS Portland, ME

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000 CXUS51 KGYX 032141 CLMCON PWMCLMCON 000 TTAA00 KGYX 031555 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 441 PM EST SAT JAN 3 2015 ................................... ...THE CONCORD NH CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1868 TO 2015 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 73 12/07/1998 LOW -24 12/20/1875 HIGHEST 53 12/01 56 -3 49 12/21 12/03 LOWEST 6 12/08 -2 8 -13 12/17 AVG. MAXIMUM 37.8 36.3 1.5 32.3 AVG. MINIMUM 24.8 17.2 7.6 14.7 MEAN 31.3 26.8 4.5 23.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 5 10.6 -5.6 14 DAYS MIN <= 32 24 28.4 -4.4 29 DAYS MIN <= 0 0 2.4 -2.4 2 PRECIPITATION (INCHES) RECORD MAXIMUM 7.64 1936 MINIMUM 0.58 1943 TOTALS 5.16 3.20 1.96 3.39 DAILY AVG. 0.17 0.10 0.07 0.11 DAYS >= .01 16 10.9 5.1 18 DAYS >= .10 11 6.4 4.6 8 DAYS >= .50 3 2.3 0.7 2 DAYS >= 1.00 1 0.8 0.2 1 GREATEST 24 HR. TOTAL 1.12 12/09 TO 12/10 SNOWFALL (INCHES) RECORDS TOTAL 44.5 2007 TOTALS 3.7 14.5 -10.8 19.9 SINCE 7/1 16.6 17.1 -0.5 20.1 SNOWDEPTH AVG. 4 DAYS >= TRACE 8 6.6 1.4 14 DAYS >= 1.0 1 3.8 -2.8 5 GREATEST SNOW DEPTH 7 12/06 12/01 24 HR TOTAL 1.4 12/05 TO 12/06 DEGREE_DAYS HEATING TOTAL 1036 1186 -150 1278 SINCE 7/1 2540 2746 -206 2795 COOLING TOTAL 0 0 0 0 SINCE 1/1 387 452 -65 537 ................................................................. WIND (MPH) AVERAGE WIND SPEED 6.2 HIGHEST WIND SPEED/DIRECTION 28/280 DATE 12/25 HIGHEST GUST SPEED/DIRECTION 38/030 DATE 12/09 SKY COVER AVERAGE SKY COVER 0.60 AVERAGE RH (PERCENT) 78 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 2 RAIN 6 LIGHT RAIN 12 FREEZING RAIN 3 LT FREEZING RAIN 4 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 7 FOG 19 FOG W/VIS <= 1/4 MILE 2 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && DECEMBER 2014 WAS THE 15TH WARMEST AND 15TH WETTEST ON RECORD AT CONCORD. ALTHOUGH THE MONTH STARTED OFF BELOW NORMAL WITH A FEW BOUTS OF SNOW, THE MIDDLE AND LATER PARTS OF THE MONTH WERE WARMER. THE WEEK AROUND CHRISTMAS FEATURED SEVERAL DAYS IN THE UPPER 40S TO NEAR 50 DEGREES AND THE EARLY SNOW PACK BEGAN TO DWINDLE BY THE END OF THE MONTH. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 31.3 DEGREES. THIS WAS 4.5 DEGREES ABOVE NORMAL. 2014 WAS THE 15TH WARMEST ON RECORD AT CONCORD OUT OF THE 147 YEAR HISTORY OF WEATHER RECORDS. THE WARMEST DECEMBER WAS 1891 WITH AN AVERAGE TEMPERATURE OF 35.4 DEGREES. THE COLDEST WAS 1989 AT ONLY 11.9 DEGREES. THE WARM DECEMBER WAS LARGELY DUE TO LOW TEMPERATURES WELL ABOVE NORMAL. THE AVERAGE LOW WAS 24.8 DEGREES OR 7.6 DEGREES ABOVE NORMAL. THIS WAS THE WARMEST AVERAGE DECEMBER LOW SINCE 1923 WHEN THE AVERAGE LOW WAS 25.6 DEGREES. A TOTAL OF 5.16 INCHES OF PRECIPITATION FELL IN DECEMBER. THIS WAS 1.96 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL FROM THE 9TH THROUGH THE 11TH WHEN 1.73 INCHES WAS RECORDED. IT WAS THE 15TH WETTEST DECEMBER IN 147 YEARS OF RECORDS AT CONCORD. THE WETTEST DECEMBER ON RECORD WAS 1936 WITH 7.64 INCHES OF PRECIPITATION. THE DRIEST WAS 1943 WITH ONLY 0.58 INCHES. THERE WAS 3.7 INCHES OF SNOW IN DECEMBER. THIS WAS 10.8 INCHES BELOW NORMAL. THE MOST SNOW FELL OVERNIGHT ON THE 5TH AND 6TH WHEN 1.4 INCHES WAS MEASURED. ALTHOUGH THE MONTH STARTED WITH 7 INCHES OF SNOW ON THE GROUND IT ENDED WITH ONLY TRACES LEFT. THE SNOWIEST DECEMBER ON RECORD WAS 2007 WITH 45.3 INCHES. BY CONTRAST ONLY TRACES OF SNOW WERE OBSERVED IN 1999 AND 1928. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN DECEMBER 2014... NO RECORDS WERE TIED OR BROKEN $$ KIMBLE

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