Climatological Report (Annual)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
146 CXUS51 KGYX 050227 CLACON PWMCLMCON 000 TTAA00 KGYX 042003 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 927 PM EST SAT JAN 4 2020 ................................... ...THE CONCORD NH CLIMATE SUMMARY FOR THE YEAR OF 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1868 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 102 07/03/1966 07/04/1911 LOW -37 02/16/1943 HIGHEST 96 07/20 96 0 96 07/01 LOWEST -10 02/02 -15 5 -19 01/02 AVG. MAXIMUM 57.2 58.0 -0.8 58.4 AVG. MINIMUM 35.2 34.8 0.4 37.0 MEAN 46.2 46.4 -0.2 47.7 DAYS MAX >= 90 10 11.5 -1.5 23 DAYS MAX <= 32 52 45.3 6.7 37 DAYS MIN <= 32 165 167.0 -2.0 164 DAYS MIN <= 0 9 14.8 -5.8 10 PRECIPITATION (INCHES) RECORD MAXIMUM 57.99 2008 MINIMUM 24.17 1965 TOTALS 45.45 40.61 4.84 53.08 DAILY AVG. 0.12 0.11 0.01 0.15 DAYS >= .01 143 130.9 12.1 138 DAYS >= .10 92 78.4 13.6 98 DAYS >= .50 28 27.0 1.0 41 DAYS >= 1.00 12 9.3 2.7 15 GREATEST 24 HR. TOTAL 1.89 10/17 SNOWFALL (INCHES) RECORDS TOTAL 128.4 1956 TOTALS 54.7 61.4 -6.7 83.9 SINCE 7/1 18.6 17.1 1.5 16.7 SNOWDEPTH AVG. 2 DAYS >= TRACE 52 30.0 22.0 48 DAYS >= 1.0 21 16.2 4.8 19 GREATEST SNOW DEPTH 15 03/04 24 HR TOTAL 5.8 03/03 TO 03/04 DEGREE_DAYS HEATING TOTAL 7210 7236 -26 6893 SINCE 7/1 2740 2746 -6 2748 COOLING TOTAL 492 452 40 734 FREEZE DATES RECORD EARLIEST 08/29/1986 LATEST 06/26/1979 EARLIEST 09/27 LATEST 05/14 ................................................................. WIND (MPH) AVERAGE WIND SPEED 6.0 HIGHEST WIND SPEED/DIRECTION 39/300 DATE 02/25 HIGHEST GUST SPEED/DIRECTION 56/290 DATE 02/25 SKY COVER AVERAGE SKY COVER 0.40 AVERAGE RH (PERCENT) 69 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE YEAR BEGAN WITH SOME WARM WEATHER, INCLUDING A FEW DAYS IN THE 40S. LIGHT SNOW FELL ON JANUARY 8 AND 9 WITH A COLD FRONT BRINGING ARCTIC AIR INTO THE REGION SHORTLY AFTER. MUCH OF THE NEXT TWO WEEKS WAS SPENT BELOW FREEZING. MORE SNOW FELL ON JANUARY 19 AND 20, WITH EVEN COLDER AIR ARRIVING BRIEFLY AFTER. THE COLDEST DAY OF THE YEAR WAS JANUARY 21 WHEN THE TEMPERATURE DID NOT WARM ABOVE 3 DEGREES. THIS WAS THE COLDEST HIGH TEMPERATURE OBSERVED AT CONCORD SINCE 2004. JUST A FEW DAYS LATER, THOUGH, THE JANUARY THAW ARRIVED. THE TEMPERATURE SOARED TO 52 DEGREES ON JANUARY 24 ALONG WITH MORE THAN AN INCH OF RAIN. THE THAW DIDN`T LAST LONG AS MORE ARCTIC COLD MOVED IN A FEW DAYS LATER CONTINUING A TREND OF UP AND DOWN TEMPERATURE SWINGS. THE COLDEST TEMPERATURE OF THE YEAR WAS ON FEBRUARY 2 WHEN THE TEMPERATURE FELL TO 10 BELOW ZERO. BUT JUST TWO DAYS LATER THE TEMPERATURE WARMED ALL THE WAY TO 60 DEGREES. THIS WAS THE 4TH CONSECUTIVE YEAR THAT CONCORD EXPERIENCED 60 DEGREE WARMTH IN FEBRUARY. THERE WERE A FEW MORE LIGHT SNOWS IN THE NEXT FEW WEEKS ALONG WITH A FEW WARMER PERIODS, WITH THE SNOW DEPTH GRADUALLY INCREASING. A SNOWSTORM ON MARCH 3 AND 4 BROUGHT THE SNOW DEPTH UP TO 15 INCHES, THE HIGHEST OF THE YEAR. SOME WINTER-LIKE COLD CONTINUED WELL INTO MARCH, BUT EVENTUALLY THE WARMER AIR WON OUT. THE LAST OF THE WINTER SNOW PACK MELTED BY THE MORNING OF APRIL 1. THE NEXT FEW MONTHS SAW FREQUENT CLOUDY AND SHOWERY WEATHER. IN FACT, FROM APRIL TO JUNE CONCORD SAW 46 DAYS WITH MEASURABLE PRECIPITATION, THE MOST SINCE 2000. THE CLOUDY, WET WEATHER MEANT MANY COOL DAYS AND WARM NIGHTS. THE LAST FREEZE OF THE SEASON WAS ON MAY 9, A FEW DAYS EARLIER THAN NORMAL. ALTHOUGH MOST RAINY DAYS DID NOT SEE EXCESSIVE RAINFALL, THERE WERE A FEW HEAVIER RAINFALLS WITH THE HEAVIEST FALLING ON APRIL 26 AND 27 WHEN 1.79 INCHES FELL. A FEW BRIEF PERIODS OF WARMTH WERE OBSERVED IN THE MIDST OF THE OTHERWISE CLOUDY AND WET SPRING. SOME OF THE MORE NOTABLE WARMER DAYS WERE 75 DEGREES ON APRIL 13, 84 DEGREES ON MAY 20, AND 85 DEGREES ON MAY 26. AFTER THE CLOUDY AND WET SPRING KEPT TEMPERATURES COOL, THE WEATHER PATTERN SHIFTED TOWARD THE END OF JUNE AND ESPECIALLY THROUGH THE MONTH OF JULY. SUMMER HEAT ARRIVED IN THE FORM OF THREE HEAT WAVES. THE FIRST BROUGHT 3 DAYS OF 90 DEGREE HEAT FROM JULY 4 THROUGH 6. THE NEXT BROUGHT 3 MORE DAYS OF 90 DEGREE HEAT FROM JULY 19 THROUGH 21. THE HOTTEST DAY WAS JULY 21 WHEN THE TEMPERATURE REACHED 96 DEGREES. A COLD FRONT BROUGHT SOME HEAVY RAIN ON JULY 22 AND 23, WITH MORE THAN 2 INCHES OF RAIN FALLING. THESE WERE ALSO THE ONLY TWO DAYS IN JULY THAT THE TEMPERATURE DID NOT TOP 80 DEGREES. ANOTHER 3 DAY STRETCH OF 90 DEGREE HEAT CAME ON JULY 28 THROUGH 30. A SERIES OF COLD FRONTS BROUGHT SOME RELIEF FROM THE HEAT IN AUGUST. JUST AS THE HEAT AND HUMIDITY WOULD BEGIN TO BUILD, A COLD FRONT WOULD BRING THUNDERSTORMS AND A RETURN TO COOLER, DRIER AIR. ALTHOUGH RAIN WAS LESS FREQUENT IN LATE SUMMER, IT CAME IN HEAVIER DOSES AS THERE WERE 4 DAYS IN AUGUST WITH MORE THAN 1 INCH OF RAINFALL. THE SERIES OF COLD FRONTS CONTINUED TO BRING COOL, DRY AIR MASSES OUT OF CANADA AND INTO NEW ENGLAND THROUGH MUCH OF SEPTEMBER. THE COLDEST TEMPERATURE WAS ON SEPTEMBER 19 WHEN THE TEMPERATURE DROPPED TO 33 DEGREES. BUT ONE FINAL STRETCH OF SUMMER-LIKE WARMTH WAS IN STORE, AS THE TEMPERATURE TOPPED 80 DEGREES FOR THE NEXT 4 DAYS. CONCORD SAW ITS FIRST FREEZE OF THE FALL ON OCTOBER 5, ABOUT A WEEK LATER THAN NORMAL. A NEW WEATHER PATTERN BEGAN TO EMERGE IN OCTOBER FEATURING A TROUGH OF LOW PRESSURE OVER THE CENTER OF THE COUNTRY WITH NEW ENGLAND ON THE EASTERN SIDE OF THIS TROUGH. THIS MEANT WARM, MOIST AIR WAS FUNNELED INTO THE AREA ALONG WITH MORE FREQUENT RAINFALL. A SERIES OF MORE SIGNIFICANT STORM SYSTEMS MOVED THROUGH THE REGION IN LATE OCTOBER. THE MOST SIGNIFICANT WAS ON OCTOBER 16 AND 17 WHEN MORE THAN 2 INCHES OF RAIN FELL AND WINDS GUSTED TO 49 MPH LEADING TO SCATTERED WIND DAMAGE. THE LAST OF THESE STORMS BEGAN ON HALLOWEEN BRINGING ANOTHER ROUND OF RAIN AND WIND, THIS TIME GUSTING TO 45 MPH ON NOVEMBER 1. MUCH COLDER AIR BEGAN MOVING INTO THE AREA IN MID NOVEMBER AS THE LARGE TROUGH OVER THE CENTER OF THE COUNTRY BEGAN TO SHIFT EASTWARD. THIS ALLOWED VERY COLD AIR OUT OF THE ARCTIC TO POUR INTO NEW ENGLAND. IT BEGAN WITH A COLD FRONT ON NOVEMBER 7 WHICH BROUGHT THE FIRST TASTE OF WINTER COLD. MUCH OF THE NEXT TWO WEEKS SAW TEMPERATURES 10 TO 15 DEGREES BELOW NORMAL. THE FIRST ACCUMULATING SNOW OF THE SEASON CAME ON NOVEMBER 12 WITH SUBFREEZING TEMPERATURES LASTING THE NEXT TWO DAYS. THE COLDEST TEMPERATURE IN THIS PERIOD WAS 7 DEGREES ON NOVEMBER 17. GRADUALLY THE TEMPERATURE BEGAN TO MODERATE TOWARD THE END OF NOVEMBER WITH THE NEXT FEW STORM SYSTEMS WARM ENOUGH TO BRING RAIN. THIS CHANGED AS DECEMBER BEGAN WITH A LONG DURATION WINTER STORM BRINGING 3 STRAIGHT DAYS OF SNOWFALL. THIS WAS THE HEAVIEST SNOWSTORM OF THE YEAR AT CONCORD WITH 7.1 INCHES MEASURED FROM DECEMBER 1 THROUGH 3. THIS WAS FOLLOWED BY ABOUT A WEEK OF COLD WEATHER WITH THE COLDEST TEMPERATURE FALLING TO 3 BELOW ZERO ON DECEMBER 8. IT WARMED BACK UP AGAIN IN MID DECEMBER WITH TEMPERATURES IN THE 40S AND OCCASIONALLY 50S ALONG WITH SOME RAIN. THE HEAVIEST RAIN WAS ON DECEMBER 13 AND 14 WHEN 1.84 INCHES FELL, WASHING AWAY THE REST OF THE SNOW LEFT OVER FROM EARLIER IN THE MONTH. MORE SNOW FELL ON DECEMBER 17 AND 18, AND DESPITE ANOTHER WARM UP THIS SNOW MANAGED TO LAST THROUGH CHRISTMAS. THE YEAR ENDED WITH ANOTHER LONG DURATION WINTER STORM, WITH CONCORD SEEING SNOW, SLEET, AND FREEZING RAIN FROM DECEMBER 29 THROUGH 31. THE AVERAGE TEMPERATURE FOR THE YEAR WAS 46.2 DEGREES WHICH WAS 0.2 DEGREES BELOW NORMAL AND THE COOLEST YEAR SINCE 2014. THE WARMEST YEAR WAS IN 2016 WHEN THE AVERAGE TEMPERATURE WAS 49.3 DEGREES. THE COLDEST WAS IN 1918 WHEN IT WAS ONLY 41.1 DEGREES. THE FOLLOWING TABLE LISTS THE AVERAGE TEMPERATURES FOR EACH MONTH OF 2019 INCLUDING DEPARTURES FROM NORMAL. AVERAGE TEMPERATURE BY MONTH IN 2019 MONTH MAXIMUM MINIMUM AVERAGE NOTES JANUARY 30.3 (-0.5) 12.9 (+2.5) 21.6 (+1.0) FEBRUARY 34.1 (-0.8) 15.3 (+1.5) 24.7 (+0.4) MARCH 42.2 (-1.6) 20.2 (-2.3) 31.2 (-1.9) APRIL 56.8 (-0.6) 34.4 (+1.7) 45.6 (+0.5) MAY 65.0 (-3.9) 44.3 (+1.7) 54.6 (-1.2) JUNE 76.5 (-0.9) 52.0 (-0.5) 64.2 (-0.7) JULY 86.5 (+4.2) 60.2 (+2.5) 73.3 (+3.3) 10TH WARMEST AUGUST 81.7 (+0.8) 55.0 (-1.1) 68.4 (-0.1) SEPTEMBER 73.5 (+0.9) 46.0 (-1.4) 59.8 (-0.2) OCTOBER 60.8 (+0.3) 39.5 (+3.7) 50.2 (+2.0) NOVEMBER 43.5 (-4.9) 24.4 (-3.8) 33.9 (-4.4) DECEMBER 35.8 (-0.5) 18.5 (+1.3) 27.1 (+0.3) ANNUAL 57.2 (-0.8) 35.2 (+0.4) 46.2 (-0.2) THE GROWING SEASON, AS DEFINED AS THE LONGEST CONSECUTIVE DAYS ABOVE FREEZING, LASTED FOR 149 DAYS IN 2019 FROM MAY 9 THROUGH OCTOBER 5. THIS WAS 13 DAYS LONGER THAN NORMAL. THE LONGEST GROWING SEASON WAS JUST LAST YEAR WHEN IT LASTED FOR 172 DAYS IN 2018. THE SHORTEST WAS ONLY 86 DAYS IN 1979. A TOTAL OF 45.45 INCHES OF PRECIPITATION FELL WHICH WAS 4.84 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL ON OCTOBER 16 AND 17 WHEN 2.29 INCHES OF RAIN WAS MEASURED. THE WETTEST YEAR ON RECORD WAS IN 2008 WHEN 57.99 INCHES FELL. THE DRIEST WAS IN 1965 WITH ONLY 24.17 INCHES. THE FOLLOWING TABLE LISTS THE PRECIPITATION AND SNOWFALL AMOUNTS FOR EACH MONTH OF 2019 INCLUDING DEPARTURES FROM NORMAL. MONTHLY PRECIPITATION AND SNOWFALL TOTALS FOR 2019 MONTH PRECIPITATION SNOWFALL NOTES JANUARY 4.72 (+2.02) 15.7 (-2.4) FEBRUARY 2.73 (+0.11) 11.2 (-1.1) MARCH 1.73 (-1.54) 8.9 (-2.2) APRIL 5.01 (+1.60) 0.3 (-2.5) MAY 3.13 (-0.53) 0.0 JUNE 4.07 (+0.38) 0.0 JULY 3.47 (-0.27) 0.0 AUGUST 5.08 (+1.90) 0.0 SEPTEMBER 1.03 (-2.35) 0.0 OCTOBER 5.27 (+1.23) 0.0 (-T) NOVEMBER 3.51 (-0.21) 0.3 (-2.3) DECEMBER 5.70 (+2.50) 18.3 (+3.8) ANNUAL 45.45 (+4.84) 54.7 (-6.7) THERE WERE 12 DAYS THAT RECORDED AT LEAST 1.00 INCH OF PRECIPITATION. THIS WAS 2.7 DAYS MORE THAN NORMAL. THE FOLLOWING TABLE LISTS THE DAYS WHICH RECEIVED AT LEAST 1.00 INCH OF PRECIPITATION IN 2019. DAYS WITH AT LEAST 1.00 INCH OF PRECIPITATION IN 2019 DAY PRECIPITATION JANUARY 20 1.42 APRIL 26 1.17 JULY 22 1.69 AUGUST 3 1.10 AUGUST 7 1.13 AUGUST 17 1.03 AUGUST 28 1.10 OCTOBER 17 1.89 OCTOBER 27 1.19 NOVEMBER 24 1.65 DECEMBER 14 1.60 DECEMBER 30 1.47 SNOWFALL STATISTICS ARE NORMALLY LISTED BY SEASON RATHER THAN BY CALENDAR YEAR. HOWEVER, 2019 SAW 54.7 INCHES OF SNOWFALL WHICH WAS 6.7 INCHES BELOW NORMAL. THE HEAVIEST SNOWSTORM WAS AT THE BEGINNING OF DECEMBER WHEN CONCORD RECORDED 7.1 INCHES FROM DECEMBER 1 THROUGH 3. THERE WERE 21 DAYS WHICH MEASURED AT LEAST 1.0 INCH OF SNOWFALL. NO DAYS RECORDED 6 INCHES OR MORE IN 2019. SNOW REMAINED CONSISTENTLY ON THE GROUND FOR THE FIRST 3 MONTHS OF THE YEAR, THOUGH ITS DEPTH VARIED GREATLY AS PERIODS OF WARMER WEATHER PREVENTED THE SNOW FROM PILING UP TO EXTREME DEPTHS. IT REACHED ITS PEAK AFTER A SNOWSTORM AT THE BEGINNING OF MARCH WHEN 15 INCHES WERE ON THE GROUND THE MORNING OF MARCH 4. THE LAST OF THE WINTER SNOW PACK MELTED BY THE MORNING OF APRIL 1. THE SNOW RETURNED WITH THE LONG DURATION WINTER STORM AT THE BEGINNING OF DECEMBER, ALTHOUGH WARM TEMPERATURES AND HEAVY RAIN WASHED ALL OF THIS AWAY IN MID DECEMBER. SOME LIGHT SNOW A FEW DAYS LATER ON DECEMBER 17 REMAINED ON THE GROUND THROUGH CHRISTMAS AND THE END OF THE YEAR. THERE WERE A TOTAL OF 113 DAYS WITH AT LEAST 1 INCH OF SNOW ON THE GROUND, 33 DAYS MORE THAN NORMAL. THIS MARKS THE 7TH CONSECUTIVE YEAR WITH MORE SNOW DEPTH DAYS THAN NORMAL (LAST BELOW NORMAL IN 2012). THERE WERE 47 DAYS WITH AT LEAST 6 INCHES OF SNOW ON THE GROUND, 4 DAYS MORE THAN NORMAL. ONLY 1 DAY RECORDED A SNOW DEPTH OF 12 INCHES OR MORE, 19 DAYS FEWER THAN NORMAL AND THE FEWEST SINCE 2012. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN 2019... DATE RECORD PREVIOUS MAR 7 -8 - COLDEST LOW TEMPERATURE -8 IN 2014, 2003 (TIED) JUL 22 1.69 - GREATEST PRECIPITATION 1.27 IN 1938 OCT 27 1.19 - GREATEST PRECIPITATION 1.17 IN 1943 OCT 31 55 - WARMEST LOW TEMPERATURE 52 IN 1881 NOV 13 25 - COOLEST HIGH TEMPERATURE 30 IN 1894 $$ KIMBLE