Climatological Report (Annual)
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000
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


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