Climatological Report (Seasonal)
Issued by NWS Portland, ME

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
884
CXUS51 KGYX 102159
CLSCON

PWMCLMCON 000
TTAA00 KGYX 022116


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
559 PM EDT SAT JUN 10 2017

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

...THE CONCORD NH CLIMATE SUMMARY FOR THE SPRING SEASON,
FROM 3/1/2017 TO 5/31/2017...

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              98   05/22/1911
 LOW              -20   03/06/1869
HIGHEST            95   05/18        90       5       94  05/28
LOWEST              2   03/06         1       1        4  04/05
AVG. MAXIMUM     55.3              56.7    -1.4     59.7
AVG. MINIMUM     33.8              32.6     1.2     34.3
MEAN             44.5              44.7    -0.2     47.0
DAYS MAX >= 90      2               1.0     1.0        2
DAYS MAX <= 32      7               4.4     2.6        3
DAYS MIN <= 32     39              46.2    -7.2       40
DAYS MIN <= 0       0               1.0    -1.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.14   1983
 MINIMUM         3.61   1915
TOTALS          14.12             10.34    3.78     6.95
DAILY AVG.       0.15              0.11    0.04     0.07
DAYS >= .01        39              35.7     3.3       33
DAYS >= .10        26              20.9     5.1       21
DAYS >= .50        12               6.6     5.4        5
DAYS >= 1.00        2               2.1    -0.1        0
GREATEST
 24 HR. TOTAL    1.56   03/14

SNOWFALL (INCHES)
RECORDS
 TOTAL           48.2   1956
TOTALS           29.3              13.9    15.4      5.0
SINCE 7/1        86.3              61.4    24.9     29.7
SNOWDEPTH AVG.      4
DAYS >= TRACE      11               6.8     4.2       10
DAYS >= 1.0         3               3.8    -0.8        2
GREATEST
 SNOW DEPTH        17   03/15
 24 HR TOTAL     15.6   03/14

DEGREE_DAYS
HEATING TOTAL    1899              1891       8     1670
 SINCE 7/1       6397              7150    -753     6019
COOLING TOTAL      32                18      14       40
 SINCE 1/1         32                18      14       40
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
HIGHEST WIND SPEED/DIRECTION    35/290    DATE  03/09
HIGHEST GUST SPEED/DIRECTION    50/300    DATE  03/22

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     HEAVY RAIN                 9
RAIN                     19     LIGHT RAIN                42
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW                9     FOG                       43
FOG W/VIS <= 1/4 MILE     6     HAZE                       8

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

&&

ALTHOUGH THE LATE WINTER HAD SEEN A STRETCH OF VERY WARM WEATHER,
THIS CAME TO AN END JUST A FEW DAYS INTO THE MONTH OF MARCH. SEVERAL
ROUNDS OF ARCTIC AIR MOVED INTO NEW ENGLAND. A LARGE SNOWSTORM ON
MARCH 14 BROUGHT MORE THAN 15 INCHES OF SNOW ALONG WITH BLIZZARD
CONDITIONS. ALTHOUGH THE BITTER COLD GRADUALLY BEGAN TO FADE,
ANOTHER SNOWSTORM ARRIVED JUST AS THE CALENDAR GOT READY TO TURN TO
APRIL. FROM THE EVENING OF MARCH 31 INTO APRIL 1 ANOTHER 12 INCHES
OF SNOW FELL, GIVING RESIDENTS ONE LAST TASTE OF WINTER. GRADUALLY
THE COOL WEATHER BEGAN TO FADE AND THE SNOW MELTED. THE LAST OF THE
SNOW MELTED ON APRIL 10 WHEN THE TEMPERATURE SOARED ALL THE WAY TO
82 DEGREES, THE FIRST 80 DEGREE TEMPERATURE OF THE YEAR. IT GOT EVEN
WARMER THE FOLLOWING DAY WHEN THE TEMPERATURE REACHED 87 DEGREES. A
COLD FRONT BROUGHT TEMPERATURES BACK DOWN TOWARD NORMAL FOR A FEW
DAYS BEFORE THE WARMTH BEGAN TO BUILD AGAIN. ON EASTER SUNDAY, APRIL
16, THE TEMPERATURE SOARED TO 87 DEGREES AGAIN. A COLD FRONT SOON
FOLLOWED, BRINGING COOLER WEATHER BACK INTO THE REGION. THIS PATTERN
OF BUILDING WARMTH FOLLOWED BY A COLD FRONT CONTINUED FOR THE NEXT
FEW WEEKS, WITH COOL, WET WEATHER BECOMING MORE COMMON. THE LAST
FREEZE OF THE SEASON WAS ON MAY 9, A FEW DAYS EARLIER THAN NORMAL.
ANOTHER BRIEF BUT INTENSE WARM UP CAME IN MID MAY WHEN CONCORD
EXPERIENCED ITS FIRST 90 DEGREE TEMPERATURE ON MAY 17. THE
TEMPERATURE SOARED EVEN WARMER TO 95 DEGREES ON MAY 18 BEFORE A COLD
FRONT BROUGHT COOLER WEATHER LATE ON THE 19TH. COOL, WET WEATHER WAS
THE RULE FOR THE REST OF THE MONTH, WITH RAIN BEING OBSERVED ON 8 OF
THE LAST 11 DAYS OF MAY.

THE AVERAGE TEMPERATURE FOR THE SPRING WAS 44.5 DEGREES WHICH WAS
0.2 DEGREES BELOW NORMAL. THE COOLEST SPRING WAS IN 1956 WHEN THE
AVERAGE TEMPERATURE WAS ONLY 38.7 DEGREES. THE WARMEST WAS IN 2012
AT 49.7 DEGREES.

A TOTAL OF 14.12 INCHES OF PRECIPITATION FELL WHICH WAS 3.78 INCHES
ABOVE NORMAL AND THE WETTEST SPRING SINCE 2007 AND THE TENTH WETTEST
ON RECORD AT CONCORD. THE HEAVIEST PRECIPITATION FELL ON MARCH 14
WHEN A BLIZZARD DROPPED 1.56 INCHES OF LIQUID EQUIVALENT
PRECIPITATION. THE WETTEST SPRING ON RECORD WAS 1983 WHEN 18.14
INCHES WAS RECORDED. THE DRIEST WAS IN 1915 WHEN ONLY 3.61 INCHES
WAS MEASURED. THE FOLLOWING TABLE LISTS THE WETTEST SPRINGS AT
CONCORD.

GREATEST PRECIPITATION IN SPRING (SINCE 1868)...
RANK  PRECIP  YEAR
1     18.14   1983
2     17.01   1901
3     16.18   1984
4     15.54   1953
5     15.04   2006
6     14.94   1954
7     14.59   1940
8     14.42   1936
9     14.29   2007
10    14.12   2017 <===

THERE WAS 29.3 INCHES OF SNOWFALL WHICH WAS 15.4 INCHES ABOVE NORMAL
AND THE SNOWIEST SPRING SINCE 2001. THE HEAVIEST SNOWFALL WAS ON
MARCH 14 WHEN 15.6 INCHES WAS RECORDED DURING A SIGNIFICANT
BLIZZARD. THE SNOWIEST SPRING ON RECORD WAS IN 1956 WHEN 48.2 INCHES
WAS RECORDED. THE LEAST SNOWY WAS IN 2010 WHEN ONLY A TRACE OF SNOW
WAS REPORTED.

SNOWFALL FOR THE 2016-17 SEASON TOTALED 86.3 INCHES WHICH WAS 24.9
INCHES ABOVE NORMAL AND MORE THAN DOUBLE THE TOTAL OBSERVED LAST
SEASON. THE SNOWIEST SEASON WAS IN 1873-74 WHEN 122.0 INCHES OF SNOW
FELL. THE LEAST SNOWY WAS IN 1979-80 WHEN ONLY 27.0 INCHES WAS
MEASURED.

THE FOLLOWING RECORDS WERE SET OR TIED IN SPRING 2017...
DATE    RECORD                               PREVIOUS
MAR 14  15.6 - GREATEST SNOWFALL             6.6 IN 1984
APR 1   6.9  - GREATEST SNOWFALL             5.7 IN 1993
APR 11  87   - WARMEST HIGH TEMPERATURE      84 IN 1945
MAY 17  93   - WARMEST HIGH TEMPERATURE      93 IN 1977 /TIED/
MAY 18  95   - WARMEST HIGH TEMPERATURE      90 IN 1906 AND 1889

$$

KIMBLE



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.