Climatological Report (Annual)
Issued by NWS Portland, ME

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000
CXUS51 KGYX 070935
CLAPWM

PORTLAND CLIMATE DATA FOR THE YEAR 2013
NATIONAL WEATHER SERVICE GRAY ME
435 AM EST TUE JAN 7 2014

PORTLAND MAINE

...STATISTICS...

HERE ARE SOME OF THE CLIMATOLOGICAL STATISTICS AND A
DISCUSSION OF THE WEATHER HIGHLIGHTS FOR THE PAST YEAR.

TEMPERATURE DATA       YEAR 2013        NORMAL          DEPARTURE

AVG. MONTHLY             46.9           46.5            PLUS 0.4
AVG. MAXIMUM             55.8           55.8            NONE
AVG. MINIMUM             38.0           37.2            PLUS 0.8

NUMBER OF DAYS:        YEAR 2013        NORMAL

MAXIMUM 90 OR ABOVE       10              3.8           PLUS 6.2
MAXIMUM 32 OR BELOW       41             39.8           PLUS 1.2
MINIMUM 32 OR BELOW      151            142.2           PLUS 8.8
MINIMUM 0 OR BELOW         4              6.9           MINUS 2.9

HIGHEST TEMPERATURE... 95 ON JULY 19
LOWEST TEMPERATURE...  MINUS 6 ON DECEMBER 17
COLDEST HIGH...        8 ON JANUARY 23
WARMEST LOW....        73 ON JULY 5

WARMEST DAY...  JULY 5 WITH AN AVERAGE OF 83 DEGREES
COLDEST DAY...  JANUARY 23 AND DECEMBER 17 WITH AN AVERAGE OF 4
                    DEGREES

                        YEAR 2013       NORMAL          DEPARTURE

HEATING DEGREE DAYS      6925           7106            MINUS 181
COOLING DEGREE DAYS       454            360            PLUS 94

HEATING AND COOLING DEGREE DAYS LISTED ARE FOR THE CALENDAR YEAR.
THE HEATING DEGREE DAY SEASON NORMALLY RUNS FROM JULY 1ST THROUGH
JUNE 30TH...WHILE THE COOLING DEGREE SEASON NORMALLY RUNS FROM
JANUARY 1ST THROUGH DECEMBER 31ST.

PRECIPITATION           43.87           47.25           MINUS 3.38
SNOWFALL                97.0            61.9            PLUS 35.1

GREATEST PRECIPITATION IN 24 HOURS... 2.79 INCHES ON SEPTEMBER 12-13
GREATEST SNOWFALL IN 24 HOURS...   25.9 INCHES ON FEBRUARY 8-9
GREATEST SNOW DEPTH ON GROUND...   21 INCHES ON FEBRUARY 9

THE FOLLOWING DATA IS FOR A CALENDAR DAY /MIDNIGHT TO MIDNIGHT/...

NUMBER OF DAYS WITH PRECIPITATION OF        NORMAL      DEPARTURE
 .01 INCH OR MORE              131          130.8       PLUS 0.2
 .10 INCH OR MORE               81           79.5       PLUS 1.5
 .50 INCH OR MORE               31           30.1       PLUS 0.9
1.00 INCH OR MORE               11           11.5       MINUS 0.5

NUMBER OF DAYS WITH SNOWFALL OF             NORMAL      DEPARTURE
1 WHOLE INCH OR MORE            16          15.9        PLUS 0.1
3 WHOLE INCHES OR MORE           7           9.0        MINUS 2.0X
6 WHOLE INCHES OR MORE           6           3.6        PLUS 2.4

NUMBER OF DAYS WITH THUNDERSTORMS...14      17.6        MINUS 3.6
NUMBER OF DAYS WITH HEAVY FOG...    37      48.6        MINUS 11.6
   (VISIBILITY 1/4 MILE OR LESS)


...PORTLAND MAINE 2013 MONTHLY TEMPERATURE DATA...
(RANK: 1ST = WARMEST, 73RD = COLDEST)
                                        DEPARTURE
MONTH   AVG HIGH   AVG LOW   MEAN TEMP  FROM NORMAL  RANK
JAN     34.3       16.4      25.4        PLUS 3.1    17TH
FEB     35.1       21.0      28.1        PLUS 2.6    13TH
MAR     42.2       27.4      34.8        PLUS 1.3    17TH (TIED)
APR     53.3       35.0     44.2        PLUS 0.2    30TH
MAY     64.0       44.2      54.1        PLUS 0.2    32ND
JUN     73.7       56.0      64.9        PLUS 1.5    8TH
JUL     79.7       63.4      71.6        PLUS 2.5    7TH
AUG     78.1       57.3      67.7       MINUS 0.3    32ND
SEP     70.3       49.2      59.8       MINUS 0.3    30TH (TIED)
OCT     61.3       40.7      51.0        PLUS 2.2    13TH (TIED)
NOV     46.4       28.5      37.5       MINUS 1.9    51ST
DEC     31.5       17.2      24.4       MINUS 4.4    58TH

YEAR    55.8       38.0      46.9        PLUS 0.4    14TH

...PORTLAND MAINE 2013 MONTHLY PRECIPITATION DATA...
(RANK: 1ST = WETTEST, 143RD = DRIEST)

MONTH   PRECIPITATION   DEPARTURE
                        FROM NORMAL     RANK
JAN     1.36            MINUS 2.02      133RD
FEB     6.07            PLUS 2.82       13TH
MAR     1.69            MINUS 2.55      127TH (TIED)
APR     2.11            MINUS 2.21      120TH
MAY     4.57            PLUS 0.56       38TH
JUN     7.32            PLUS 3.53       7TH
JUL     3.36            MINUS 0.25      54TH
AUG     1.74            MINUS 1.40      111TH
SEP     6.72             PLUS 3.03      10TH
OCT     1.08            MINUS 3.79      136TH
NOV     3.41            MINUS 1.52      86TH
DEC     4.44             PLUS 0.42      53RD

YEAR   43.87            MINUS 3.38      56TH

...PORTLAND MAINE 2013 MONTHLY SNOWFALL DATA...
(RANK: 1 = SNOWIEST, 131ST = LEAST SNOWIEST JAN. THROUGH JUNE
                     133RD = LEAST SNOWIEST JULY THROUGH DEC.)

                  DEPARTURE
MONTH   SNOWFALL  FROM NORMAL      RANK
JAN      7.3      MINUS 11.9       115TH
FEB     49.6      PLUS 37.5        3RD
MAR     13.2      PLUS 0.5         47TH (TIED)
APR      0.2      MINUS 2.6        91ST
MAY      0.0      NORMAL           23RD (TIED)
JUN      0.0      NORMAL           -----
JUL      0.0      NORMAL           -----
AUG      0.0      NORMAL           -----
SEP      0.0      NORMAL           -----
OCT      0.0      MINUS TRACE      50TH (TIED)
NOV      0.5      MINUS 1.4        90TH (TIED)
DEC     26.2      PLUS 13.0        12TH

YEAR    97.0      PLUS 35.1        -----

NOTE...SNOWFALL FOR THE YEAR IS GIVEN FOR THE CALENDAR YEAR.
NORMALLY SNOWFALL TOTALS AND RANKINGS ARE GIVEN FOR THE SEASON
...FROM JULY 1ST THROUGH JUNE 30TH.

STRONGEST WIND GUST...  56 MPH ON FEBRUARY 9
SECOND STRONGEST WIND GUST... 50 MPH ON JANUARY 31ST.

...DISCUSSION...

THE YEAR OF 2013 IN PORTLAND MAINE WAS SLIGHTLY WARMER, DRIER AND
SNOWIER THAN NORMAL. WEATHER HIGHLIGHTS FOR THE YEAR RANGED FROM
A RECORD SETTING BLIZZARD IN FEBRUARY TO RECORD WARMTH IN JULY TO
TYING THE RECORD FOR THE LATEST DATE IN THE FALL SEASON TO REACH
32 DEGREES.

FEBRUARY 2013 WILL BE MOST REMEMBERED FOR THE BLIZZARD OF 2013 WHICH
GAVE PORTLAND ITS BIGGEST SNOWSTORM ON RECORD.

THE 31.9 INCHES ON FEBRUARY 8TH AND 9TH BROKE THE OLD RECORD OF
27.1 INCHES FROM THE SNOWSTORM OF JANUARY 17TH AND 18TH IN 1979.

STRONG WINDS FROM THE NORTH...WITH GUSTS TOPPING OUT AT 56 MPH...
LED TO CONSIDERABLE BLOWING AND DRIFTING SNOW MAKING CLEAN UP
EFFORTS THAT MUCH MORE DIFFICULT AS WELL AS LEADING TO SCATTERED
POWER OUTAGES.

IN ADDITION TO PRODUCING THE BIGGEST SNOWFALL IN RECORDED HISTORY
THE BLIZZARD ALSO GAVE PORTLAND ITS GREATEST 24 HOUR SNOWFALL.
FROM 7 AM ON THE 8TH THROUGH 7 AM ON THE 9TH PORTLAND RECEIVED 25.9
INCHES OF SNOW. THIS BROKE THE OLD RECORD OF 24.4 INCHES FROM THE
SAME JANUARY 17-18TH, 1979 WINTER STORM.

THE TWO DAY STORM TOTAL OF 31.9 INCHES BROKE DOWN TO 15.3 INCHES ON
THE 8TH, WHICH SET A RECORD FOR THE DATE AND 16.6 INCHES ON THE 9TH
WHICH FELL JUST SHORT OF THE RECORD FOR THE DATE. THE OLD RECORD FOR
FEBRUARY 8TH WAS 10.8 INCHES SET IN 1971...AND THE RECORD FOR
FEBRUARY 9TH REMAINS 17.0 INCHES SET IN 1969.

FOR THE MONTH OF FEBRUARY PORTLAND HAD 49.6 INCHES OF SNOW. THIS
BECAME THE 3RD SNOWIEST FEBRUARY AND THE 8TH SNOWIEST MONTH EVER IN
PORTLAND. THE SNOWIEST FEBRUARY REMAINS 61.2 INCHES IN 1969...
FOLLOWED BY 50.9 INCHES IN 1893. THE SNOWIEST MONTH EVER WAS
JANUARY 1979 WITH 62.4 INCHES.

THE SNOWY FEBRUARY WAS REPLACED BY NEAR RECORD WARMTH IN MAY. A HIGH
OF 92 DEGREES ON MAY 31ST TIED FOUR OTHER DATES AS THE 2ND WARMEST
TEMPERATURE EVER RECORDED AT THE PORTLAND JETPORT IN THE MONTH OF MAY.
THE WARMEST TEMPERATURE EVER IN MAY WAS 94 DEGREES SET ON MAY 31, 1987.

THIS WAS FOLLOWED BY MORE WARM WEATHER IN JULY. THE AVERAGE LOW FOR
JULY 2013 WAS 63.4 DEGREES WHICH SET A RECORD AS THE WARMEST AVERAGE
LOW TEMPERATURE FOR ANY MONTH AT THE PORTLAND JETPORT. THE PREVIOUS
RECORD WAS 62.8 DEGREES IN JULY OF 2011.

HERE IS A LIST OF THE WARMEST MONTHLY AVERAGE LOW TEMPERATURES AT
THE PORTLAND JETPORT...

RANK        AVERAGE TEMPERATURE    MONTH AND YEAR
 1          63.4 DEGREES           JULY 2013  <===
 2          62.8 DEGREES           JULY 2011
 3          62.6 DEGREES           JULY 2006
 4          62.5 DEGREES           JULY 1994
 5          62.4 DEGREES           JULY 2010
 6          61.9 DEGREES           JULY 1973
 7          61.8 DEGREES           JULY 1999
            61.8 DEGREES           AUGUST 1969
            61.8 DEGREES           AUGUST 1973
            61.8 DEGREES           AUGUST 2012

DURING THE MONTH OF JULY PORTLAND SET OR TIED SIX WARMEST DAILY
LOW TEMPERATURE RECORDS WHEN LOW TEMPERATURES WERE 69 DEGREES
OR WARMER.

THERE WERE FOUR DAYS WITH LOWS OF 70 OR WARMER. THE 73 DEGREES ON
THE 5TH OF THE MONTH SET A RECORD FOR THE DATE AND ALSO WAS TIED
AS THE 5TH WARMEST LOW TEMPERATURE EVER AT THE JETPORT FOR ANY
MONTH. THE WARMEST LOW ON RECORD IS 76 DEGREES WHICH WAS SET ON
JULY 22, 2011.

MORE UNUSUALLY WARM WEATHER RETURNED IN SEPTEMBER WHEN PORTLAND
SAW TEMPERATURES SOAR TO 93 DEGREES ON THE 1TH. THIS FELL SHORT OF
THE RECORD FOR THE DAY BY TWO DEGREES BUT STILL TIED AS THE 4TH
WARMEST HIGH FOR SEPTEMBER.

HERE IS A LIST OF THE WARMEST TEMPERATURES EVER RECORDED IN
SEPTEMBER AT THE PORTLAND JETPORT...

RANK        TEMPERATURE    DATE
 1          95 DEGREES     SEPTEMBER 7, 1945
            95 DEGREES     SEPTEMBER 11, 1983
 3          94 DEGREES     SEPTEMBER 2, 1953
 4          93 DEGREES     SEPTEMBER 8, 1960
            93 DEGREES     SEPTEMBER 1, 1969
            93 DEGREES     SEPTEMBER 3, 1973
            93 DEGREES     SEPTEMBER 9, 2002
            93 DEGREES     SEPTEMBER 2, 2010
            93 DEGREES     SEPTEMBER 11, 2013  <===
10          92 DEGREES     SEPTEMBER 8, 1945
            92 DEGREES     SEPTEMBER 7, 2007
            92 DEGREES     SEPTEMBER 8, 2007

THE WARM WEATHER CONTINUED INTO OCTOBER. PORTLAND TIED THE RECORD
FOR THE LATEST DATE FOR FREEZING TEMPERATURES AT THE JETPORT WHEN
THE GROWING SEASON CAME TO AN END THE NIGHT OF OCTOBER 25TH AND
26TH. THIS TIED OCTOBER 25, 1949 FOR THE LATEST DATE FOR A LOW OF
32 OR COLDER AT THE PORTLAND JETPORT.

THE GROWING SEASON THIS YEAR (THE TIME BETWEEN THE LAST 32 DEGREE
READING IN THE SPRING TO THE FIRST 32 DEGREE READING IN THE FALL)
WAS 177 DAYS. THIS RAN FROM MAY 1ST THROUGH OCTOBER 25TH. THIS WAS
THE FOURTH LONGEST GROWING SEASON OVER THE PAST 73 YEARS OF RECORDS
AT THE JETPORT IN PORTLAND. THE LONGEST GROWING SEASON WAS 185 DAYS
IN 1990 AND THE SHORTEST WAS 110 DAYS IN 1961.

AFTER THE RECORD SETTING WARMTH...PORTLAND RETURNED TO COLD AND
SNOWY WEATHER IN DECEMBER. THOUGH NOT NEAR ANY RECORD FOR COLD OR
FOR SNOW...DECEMBER STILL WILL GO DOWN AS A VERY COLD AND SNOWY
MONTH IN RECENT MEMORY. THE 26.2 INCHES IN DECEMBER WAS THE
SECOND SNOWIEST MONTH IN 2013 AND SAW THE SECOND BIGGEST
SNOWSTORM OF 12.4 INCHES ON THE 14TH AND 15TH.

TEMPERATURES IN DECEMBER WERE 4.4 DEGREES BELOW NORMAL...MAKING
DECEMBER THE MONTH WITH THE GREATEST COLDEST DEPARTURE FROM NORMAL.
THERE WERE ONLY THREE OTHER MONTHS THAT AVERAGED COLDER THAN NORMAL
IN 2013. THERE WERE EIGHT MONTHS THAT AVERAGED WARMER THAN NORMAL
LED BY JANUARY THAT WAS 3.1 DEGREES ABOVE NORMAL.

TEMPERATURES FOR THE YEAR RANGED FROM A LOW OF MINUS 6 ON
DECEMBER 17TH TO A HIGH OF 95 ON JULY 19TH. THERE WERE FOUR
DAYS WITH LOWS OF ZERO OR COLDER AND TEN DAYS WITH HIGHS OF
90 OR WARMER. THERE WERE NO HEAT WAVES IN 2013. A HEAT WAVE IS
DEFINED AS THREE OR MORE CONSECUTIVE DAYS WITH HIGHS OF 90 OR
HIGHER.

THE WETTEST MONTH WAS JUNE WITH 7.32 INCHES OF RAIN WHILE
SEPTEMBER CAME IN SECOND WITH 6.72 INCHES OF RAIN WHICH INCLUDED
THE GREATEST 24 HOUR RAINFALL EVENT OF THE YEAR WHEN 2.79 INCHES
FELL ON SEPTEMBER 12TH AND 13TH. FEBRUARY WAS THE THIRD WETTEST
MONTH WITH 6.07 INCHES OF PRECIPITATION. THE DRIEST MONTH WAS
OCTOBER WITH JUST 1.08 INCHES OF PRECIPITATION...FOLLOWED BY
JANUARY WITH 1.36 INCHES AND MARCH WITH 1.69 INCHES OF
PRECIPITATION.

...RECORDS...

HERE IS A LIST OF DAILY TEMPERATURE AND PRECIPITATION RECORDS...
FROM MIDNIGHT TO MIDNIGHT...SET OR TIED DURING THE YEAR 2013...

DATE    RECORD      PREVIOUS RECORD AND YEAR
JAN 13      36 - WARMEST LOW TEMPERATURE      34 DEGREES IN 1956
JAN 13      41 - WARMEST AVERAGE TEMPERATURE  37 DEGREES IN 1956 & 2002
JAN 14      59 - WARMEST HIGH TEMPERATURE     53 DEGREES IN 1950 & 2005
JAN 14      47 - WARMEST AVERAGE TEMPERATURE  47 DEGREES IN 2006 /TIED/
JAN 23      8 - COLDEST HIGH TEMPERATURE      9 DEGREES IN 1976
JAN 30      52 - WARMEST HIGH TEMPERATURE     49 DEGREES IN 1959
JAN 30      42 - WARMEST AVERAGE TEMPERATURE  40 DEGREES IN 1974
JAN 31      54 - WARMEST HIGH TEMPERATURE     54 DEGREES IN 1988 /TIED/
FEB  8      15.3 - HIGHEST DAILY SNOWFALL     10.8 INCHES IN 1971
FEB 24      10.7 - HIGHEST DAILY SNOWFALL     9.9 INCHES IN 1962
MAR 12      40 - WARMEST LOW TEMPERATURE      37 DEGREES IN 1973 & 1985
MAR 19      8.7 - GREATEST DAILY SNOWFALL     4.7 INCHES IN 1971
JUN  1      90 - RECORD HIGHEST TEMPERATURE   88 DEGREES IN 1995
JUN  1      77 - WARMEST AVERAGE TEMPERATURE  76 DEGREES IN 1987
JUN  2      67 - WARMEST LOW TEMPERATURE      66 DEGREES IN 1995
JUN  2      73 - WARMEST AVERAGE TEMPERATURE  71 DEGREES IN 1970, 1990
                                                            & 1995
JUN 11      4 - SMALLEST DAILY TEMP. RANGE    4 DEGREES IN 1958 /TIED/
JUN 23      1.82 - GREATEST DAILY RAINFALL    1.62 INCHES IN 1990
JUN 25      69 - WARMEST LOW TEMPERATURE      67 DEGREES IN 1948
JUN 25      80 - WARMEST AVERAGE TEMPERATURE  80 DEGREES IN 1943 /TIED/
JUL  5      73 - WARMEST LOW TEMPERATURE      68 DEGREES IN 2010
JUL  5      83 - WARMEST AVERAGE TEMPERATURE  81 DEGREES IN 1999
JUL  6      69 - WARMEST LOW TEMPERATURE      69 DEGREES IN 2010 /TIED/
JUL 15      70 - WARMEST LOW TEMPERATURE      69 DEGREES IN 1998
JUL 15      81 - WARMEST AVERAGE TEMPERATURE  80 DEGREES IN 1952
JUL 16      71 - WARMEST LOW TEMPERATURE      71 DEGREES IN 1968 /TIED/
JUL 18      69 - WARMEST LOW TEMPERATURE      69 DEGREES IN 1970, 2005
                                                          & 2011 /TIED/
JUL 19      95 - RECORD HIGH TEMPERATURE      94 DEGREES IN 1982
JUL 20      70 - WARMEST LOW TEMPERATURE      70 DEGREES IN 1949 & 1991
                                                          /TIED/
AUG  9      5 - SMALLEST DAILY TEMP RANGE     5 DEGREES IN 1981 & 1982
                                                          /TIED/
SEP  2      2.26 - GREATEST PRECIPITATION     1.13 INCHES IN 1947
NOV  1      55 - WARMEST LOW TEMPERATURE      54 DEGREES IN 1956
NOV 24      28 - COLDEST HIGH TEMPERATURE     28 DEGREES IN 1989 /TIED/
NOV 27      2.48 - GREATEST PRECIPITATION     2.05 INCHES IN 1883
DEC  2      4 - SMALLEST DAILY TEMP. RANGE    8 DEGREES IN 1968
DEC 14      14 - COLDEST HIGH TEMPERATURE     14 DEGREES IN 1943 /TIED/
DEC 15      10.6 - GREATEST DAILY SNOWFALL    7.4 INCHES IN 1951


PORTLAND DID NOT SET OR TIE ANY TEMPERATURE OR PRECIPITATION RECORDS
IN APRIL, MAY AND OCTOBER OF 2013.

MONTHLY RECORDS FOR PORTLAND SET OR TIED IN 2013...

DATE        RECORD                                PREVIOUS RECORD AND DATE
APRIL 22    30.82 INCHES - HIGHEST SEA LEVEL      30.72 INCHES APRIL 12, 1911
                           PRESSURE IN APRIL
JULY        63.4 - WARMEST AVERAGE LOW TEMP.      62.8 DEGREES IN 2011

SEASONAL RECORDS FOR PORTLAND SET OR TIED IN 2013...

DATE        NEW RECORD                             OLD RECORD
OCT 25      LATEST DATE FOR 32 DEGREES             OCT 25, 1949

ANNUAL RECORDS FOR PORTLAND SET OR TIED IN 2013...

DATE        NEW RECORD                             OLD RECORD
JULY        63.4 - WARMEST AVG. MONTHLY LOW TEMP.  62.8 DEGREES IN JULY 2011

$$

SJC







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