Climatological Report (Seasonal)
Issued by NWS Portland, ME

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
345 PM EST FRI MAR 3 2017

...................................

...THE CONCORD NH CLIMATE SUMMARY FOR THE WINTER SEASON, FROM
12/1/2016 TO 2/28/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1868 TO 2017

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              -37   02/16/1943
HIGHEST            69   02/24        60       9       63  02/25
LOWEST             -9   12/20       -15       6      -13  02/14
AVG. MAXIMUM     38.7              34.0     4.7     40.3
AVG. MINIMUM     18.7              13.8     4.9     21.6
MEAN             28.7              23.9     4.8     30.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              39.8   -15.8       22
DAYS MIN <= 32     83              85.8    -2.8       77
DAYS MIN <= 0       7              14.2    -7.2        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        16.68   2008
 MINIMUM         3.14   1980
TOTALS           8.55              8.52    0.03    10.53
DAILY AVG.       0.10              0.09    0.01     0.11
DAYS >= .01        39              31.3     7.7       37
DAYS >= .10        26              18.0     8.0       20
DAYS >= .50         7               6.0     1.0        8
DAYS >= 1.00        0               1.8    -1.8        2
GREATEST
 24 HR. TOTAL    1.04   11/30 TO 12/01

SNOWFALL (INCHES)
RECORDS
 TOTAL          102.0   2008
TOTALS           56.3              44.9    11.4     24.7
SINCE 7/1        57.0              47.5     9.5     24.7
SNOWDEPTH AVG.     10
DAYS >= TRACE      36              21.6    14.4       23
DAYS >= 1.0        16              11.5     4.5        6
GREATEST
 SNOW DEPTH        24   02/16
                        02/13
 24 HR TOTAL      8.3   12/29

DEGREE_DAYS
HEATING TOTAL    3246              3700    -454     3069
 SINCE 7/1       4498              5260    -762     4349
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    32/320    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    41/320    DATE  12/25

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 1
RAIN                      6     LIGHT RAIN                14
FREEZING RAIN             3     LT FREEZING RAIN           4
HEAVY SNOW                5     SNOW                       9
LIGHT SNOW               34     FOG                       47
FOG W/VIS <= 1/4 MILE    13     HAZE                      24

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

METEOROLOGICAL WINTER BEGAN ON A WARM NOTE AS THE FIRST TWO DAYS OF
DECEMBER SAW THE TEMPERATURE TOP 50 DEGREES. THIS GRADUALLY BEGAN TO
CHANGE AS A MORE ACTIVE WEATHER PATTERN BROUGHT A NEW STORM SYSTEM
THROUGH THE REGION EVERY FEW DAYS. EACH SYSTEM BROUGHT WITH IT A
LITTLE COLDER AIR, AND BY MID DECEMBER A TRULY ARCTIC AIR MASS
BROUGHT THE FIRST SUBZERO TEMPERATURES OF THE SEASON. THE BRUTAL
COLD EASED UP BY DECEMBER 21 WITH WARMER WEATHER ARRIVING AFTER
CHRISTMAS. AN INTENSIFYING STORM SYSTEM ON DECEMBER 29 BROUGHT VERY
HEAVY SNOWFALL WITH A TOTAL OF 8.3 INCHES OF SNOW WAS OBSERVED IN
JUST A FEW HOURS. ANOTHER BRIEF COLD AIR MASS ARRIVED IN THE FIRST
WEEK OF JANUARY, BUT IT WAS SOON REPLACED BY WARMER WEATHER JUST A
FEW DAYS LATER. CONCORD EXPERIENCED 3 STRAIGHT DAYS WITH
TEMPERATURES IN THE 50S FROM JANUARY 11 THROUGH 13. ALTHOUGH THERE
WERE A FEW LIGHT SNOWS, THE GENERALLY WARM WEATHER CONTINUED INTO
THE FIRST PART OF FEBRUARY. THE WEATHER PATTERN BEGAN TO CHANGE IN
THE SECOND WEEK OF FEBRUARY WHEN A STRETCH OF COLD AND VERY SNOWY
WEATHER BEGAN. SNOW WAS OBSERVED ON 9 OUT OF 10 DAYS FROM FEBRUARY 7
THROUGH 16 ALONG WITH SOME COLD TEMPERATURES. ONCE THE SNOW FINALLY
ENDED, THE WARM WEATHER MADE A RETURN. EACH OF THE FINAL 11 DAYS OF
FEBRUARY SAW THE TEMPERATURE HIT 40 DEGREES OR HIGHER, INCLUDING 8
DAYS OVER 50 DEGREES. THE WARMEST WEATHER WAS FROM FEBRUARY 23
THROUGH 25 WHEN THE TEMPERATURE TOPPED 60 DEGREES FOR 3 STRAIGHT
DAYS. THE HIGH TEMPERATURE OF 69 DEGREES ON FEBRUARY 24 WAS THE
WARMEST TEMPERATURE EVER RECORDED IN THE MONTH OF FEBRUARY. THIS
REMARKABLE WARMTH WAS OBSERVED IN SPITE OF THE 12 INCHES OF SNOW
THAT REMAINED ON THE GROUND.

THE AVERAGE TEMPERATURE FOR THE WINTER SEASON WAS 28.7 DEGREES WHICH
WAS 4.8 DEGREES ABOVE NORMAL AND THE 8TH WARMEST ON RECORD. THE
WARMEST WINTER WAS LAST YEAR WHEN THE AVERAGE TEMPERATURE WAS 30.9
DEGREES IN 2015-16. THE COLDEST WAS IN 1917-18 WHEN THE AVERAGE
TEMPERATURE WAS 15.5 DEGREES. THE FOLLOWING TABLE LISTS THE WARMEST
WINTER AVERAGE TEMPERATURES AT CONCORD.

WARMEST WINTER AVERAGE TEMPERATURE (SINCE 1868)...
RANK  TEMP  SEASON
1     30.9  2015-16
2     30.4  1879-80
3     29.6  2001-02
4     29.5  1932-33
5     29.3  1936-37
6     29.0  2011-12
7     28.9  1877-78
8     28.7  2016-17 <===
      28.7  1997-98
10    28.6  1889-90

TWO OF THE TOP TEN WARMEST WINTER TEMPERATURES EVER RECORDED WERE
RECORDED THIS YEAR. THE FOLLOWING TABLE LISTS THE WARMEST WINTER
TEMPERATURES ON RECORD AT CONCORD.

WARMEST TEMPERATURE IN WINTER (DEC-FEB) (SINCE 1868)...
RANK  TEMP  DATE
1      73   DEC 7, 1998
2      72   DEC 6, 2001
       72   JAN 1, 1876
4      69   FEB 24, 2017 <===
       69   JAN 6, 2007
6      68   FEB 25, 2017 <===
       68   DEC 4, 1982
       68   JAN 4, 1950
       68   FEB 27, 1880
       68   FEB 12, 1872

A TOTAL OF 8.55 INCHES OF PRECIPITATION FELL WHICH WAS 0.03 INCHES
ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL ON DECEMBER 1 WHEN
0.77 INCHES OF RAIN WAS MEASURED. THE WETTEST WINTER ON RECORD WAS
2007-08 WHEN 16.68 INCHES OF PRECIPITATION WAS RECORDED. THE DRIEST
WAS 1979-80 WHEN ONLY 3.14 INCHES WAS MEASURED.

THERE WAS 56.3 INCHES OF SNOWFALL THIS WINTER WHICH WAS 11.4 INCHES
ABOVE NORMAL. THE HEAVIEST SNOWFALL WAS ON DECEMBER 29 WHEN 8.3
INCHES WAS RECORDED. THE SNOWIEST WINTER ON RECORD WAS 1950-51 WHEN
102.0 INCHES WAS RECORDED. THE LEAST SNOWY WINTER WAS 1929-30 WITH
ONLY 13.8 INCHES.

THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN WINTER 2016-17...
DATE    RECORD                               PREVIOUS
FEB 23  65   - WARMEST HIGH TEMPERATURE      63 IN 1875
FEB 24  69   - WARMEST HIGH TEMPERATURE      62 IN 1930 AND 1872
FEB 25  68   - WARMEST HIGH TEMPERATURE      63 IN 2016

$$

KIMBLE



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