Climatological Report (Seasonal)
Issued by NWS Portland, ME

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CXUS51 KGYX 071500
CLSPWM

PORTLAND CLIMATE DATA FOR THE WINTER OF 2013/14
NATIONAL WEATHER SERVICE GRAY ME
1000 AM EST FRI MAR 7 2013

HERE IS A SEASONAL SUMMARY FOR THE METEOROLOGICAL WINTER
(DECEMBER...JANUARY...FEBRUARY) OF 2013-14 FOR PORTLAND, MAINE.

THE METEOROLOGICAL WINTER OF 2013-2014 IN PORTLAND WAS VERY COLD
AND SNOWY.

THE AVERAGE TEMPERATURE OF 22.6 DEGREES WAS 3.0 DEGREES BELOW NORMAL
MAKING THIS THE 22ND COLDEST WINTER IN THE PAST 74 YEARS. AS COLD AS
IT WAS IT FELL WELL SHORT OF THE RECORD BY OVER FOUR DEGREES. THE
COLDEST WINTER WAS IN 1970-71 WITH A THREE MONTH AVERAGE TEMPERATURE
OF 17.9 DEGREES.

ALL THREE WINTER MONTHS WERE BELOW NORMAL. THIS IS THE FIRST TIME
THAT HAS HAPPENED SINCE THE 2002-03 SEASON.

THERE WERE 10 DAYS WITH LOWS OF ZERO OR COLDER. NORMALLY PORTLAND
CAN EXPECT 6.6 DAYS TO REACH ZERO OR COLDER. THE COLDEST TEMPERATURE
WAS MINUS 14 DEGREES ON JANUARY 4TH.

THE WARMEST TEMPERATURE THIS WINTER WAS 51 DEGREES ON JANUARY 12TH,
WHICH ALSO TIED AS THE WARMEST TEMPERATURE FOR THAT DATE. THIS
RECORD WAS FIRST SET IN 1980.

PORTLAND MEASURED 78.3 INCHES OF SNOW DURING THE COURSE OF THE
THREE WINTER MONTHS. THIS WAS 33.9 INCHES ABOVE NORMAL AND THE
12TH SNOWIEST METEOROLOGICAL WINTER ON RECORD. THIS WAS STILL
29.3 INCHES SHORT OF THE RECORD WINTER SNOWFALL OF 107.6 INCHES
SET FROM DECEMBER 1970 THROUGH FEBRUARY 1971.

FEBRUARY WAS THE SNOWIEST MONTH THIS WINTER WITH 34.2 INCHES OF
SNOW. THIS WAS 22.2 INCHES ABOVE NORMAL AND THE 14TH SNOWIEST
FEBRUARY. DECEMBER HAD 26.2 INCHES OF SNOW WHICH WAS DOUBLE
THE NORMAL OF 13.2 INCHES. JANUARY WAS THE ONLY MONTH WITH
BELOW NORMAL SNOWFALL WITH 17.6 INCHES. STILL THIS WAS ONLY 1.6
INCHES BELOW NORMAL.

PORTLAND HAD SIX SNOWSTORMS THIS WINTER. THE FIRST SNOWSTORM
DROPPED 12.4 INCHES ON PORTLAND ON DECEMBER 14TH AND 15TH. THIS WAS
QUICKLY FOLLOWED BY A 9.1 INCHES SNOWSTORM ON DECEMBER 17TH AND
18TH. THE NEXT SNOWSTORM STRUCK ON JANUARY 2ND AND 3RD WITH 11.9
INCHES. IT TOOK OVER A MONTH FOR ANOTHER SNOWSTORM TO HIT PORTLAND
WHEN 9.0 INCHES FELL ON FEBRUARY 5TH. THE NEXT STORM DUMPED 11.2
INCHES FROM FEBRUARY 13TH THROUGH THE 15TH. A FEW DAYS LATER THE
LAST SIGNIFICANT SNOWSTORM LEFT PORTLAND WITH 9.3 INCHES OF SNOW
ON FEBRUARY 18TH AND 19TH.

FOR THE THREE MONTH PERIOD PORTLAND HAD 34 DAYS WITH SNOWFALL OF
A TRACE OR MORE. THIS IS ABOUT 14 DAYS (13.9 DAYS) MORE THAN
NORMAL.

PORTLAND RECORDED 12.76 INCHES OF PRECIPITATION (COMBINED RAINFALL
AND MELTED SNOWFALL) THIS WINTER. THIS WAS 2.11 INCHES ABOVE NORMAL
AND MADE THIS THE 14TH WETTEST WINTER IN THE PAST 143 YEARS. EACH
MONTH HAD OVER FOUR INCHES OF PRECIPITATION (DECEMBER WITH 4.44,
JANUARY WITH 4.05 AND FEBRUARY WITH 4.27 INCHES) AND ABOVE NORMAL
PRECIPITATION.

HERE IS A TABULAR SUMMARY OF WINTER 2013-14 IN PORTLAND MAINE.

                         DEC        JAN        FEB     WINTER 2013/14
...TEMPERATURES...

AVERAGE TEMPERATURE      24.4       21.4       22.1          22.6
30 YEAR NORMAL           28.8       22.3       25.5          25.6
DEPARTURE           MINUS 4.4  MINUS 0.9  MINUS 3.4     MINUS 3.0
RANK (1 THROUGH 74)      58TH       45TH (T)   50TH (T)      53RD
     (1 = WARMEST)

HIGHEST TEMPERATURE        46         51         47            51 - JAN 12TH

LOWEST TEMPERATURE         -6        -14         -6           -14 - JAN 4TH

...PRECIPITATION...

MEASURED (INCHES)        4.44       4.05       4.27         12.76
30 YEAR NORMAL           4.02       3.38       3.25         10.65
DEPARTURE           PLUS 0.42  PLUS 0.67  PLUS 1.02     PLUS 2.11
RANK (1 THROUGH 143)     53RD       56TH       44TH          14TH
     (1 = WETTEST)

GREATEST RAINFALL
IN ANY 24-HOUR PERIOD    1.11       1.38       1.33          1.38 - JAN 5-6TH

...SNOWFALL DATA...

MEASURED (INCHES)        26.2       17.6       34.2          78.3
30 YEAR NORMAL           13.2       19.2       12.0          44.4
DEPARTURE           PLUS 13.0  MINUS 1.6  PLUS 22.2     PLUS 33.9
RANK (1 THROUGH 133)     12TH       63RD (T)   14TH          12TH
     (1 = SNOWIEST)

GREATEST SNOWFALL (INCHES)
IN ANY 24-HOUR PERIOD    12.4       10.7        9.2          12.4 - DEC 14-15TH

...DEGREE DAY DATA...

HEATING DEGREE DAYS      1251       1342       1195          3788
NORMAL                   1121       1324       1106          3551
DEPARTURE            PLUS 130    PLUS 18    PLUS 89      PLUS 237

COOLING DEGREE DAYS         0          0          0             0
NORMAL                      0          0          0             0
DEPARTURE                NONE       NONE       NONE          NONE

...WIND...

AVERAGE SPEED           6.4 MPH    7.8 MPH    7.6 MPH       7.3 MPH
NORMAL                  8.8 MPH    9.2 MPH    9.4 MPH       9.1 MPH
DEPARTURE              -2.4 MPH   -1.4 MPH   -1.8 MPH      -1.8 MPH

HIGHEST WIND GUST        33 MPH     40 MPH     37 MPH        40 MPH - JAN 7TH

...SEA LEVEL PRESSURE...

HIGHEST (IN INCHES)       30.63      30.64     30.55         30.64 - JAN 9TH
LOWEST (IN INCHES)        29.41      29.17     28.78         28.78 - FEB 14TH

                        WINTER 2013/14   NORMAL     DEPARTURE
...NUMBER OF DAYS WITH...

MAX TEMPERATURE 90 OR WARMER      0           0          NONE
MAX TEMPERATURE 32 OR COLDER     49        35.0     PLUS 14.0
MIN TEMPERATURE 32 OR COLDER     85        82.6      PLUS 2.4
MIN TEMPERATURE  0 OR COLDER     10         6.6      PLUS 3.4

THUNDERSTORMS                     1         0.2      PLUS 0.8
DENSE FOG (VSBY < 1/4 MI)         9         6.3      PLUS 2.7

PCPN 0.01 INCH OR MORE           41        32.3      PLUS 8.7
PCPN 1.00 INCH OR MORE            1         2.8     MINUS 1.8
SNOWFALL TRACE OR MORE           34        20.1     PLUS 13.9
SNOWFALL 1 INCH OR MORE          15        11.5      PLUS 3.5
SNOWFALL 6 INCHES OR MORE         6         N/A

WARMEST WINTER .......... 31.3 DEGREES IN 2001/02
COLDEST WINTER .......... 17.9 DEGREES IN 1970/71
WETTEST WINTER .......... 20.49 INCHES IN 1934/35
DRIEST WINTER ...........  4.12 INCHES IN 1871/72
SNOWIEST WINTER ......... 107.6 INCHES IN 1970/71
LEAST SNOWIEST WINTER ...   9.5 INCHES IN 1936/37

NOTE...THE METEOROLOGICAL WINTER REFERS TO DECEMBER - JANUARY - FEBRUARY
TOTALS ONLY.

...RECORDS...

HERE IS A LIST OF DAILY RECORDS SET OR TIED THIS WINTER...

DATE       RECORD                              PREVIOUS RECORD
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
JAN  2     12 - COLDEST HIGH TEMPERATURE       13 DEGREES IN 1968
JAN  4     37 - GREATEST TEMPERATURE RANGE     29 DEGREES IN 1962
JAN  6     1.35 - GREATEST PRECIPITATION       1.31 INCHES IN 1944
JAN 12     51 - WARMEST HIGH TEMPERATURE       51 DEGREES IN 1980 /TIED/
JAN 12     35 - WARMEST LOW TEMPERATURE        35 DEGREES IN 1956 /TIED/
JAN 12     43 - WARMEST AVERAGE TEMPERATURE    42 DEGREES IN 1975
FEB 28     22 - COLDEST HIGH TEMPERATURE       24 DEGREES IN 2006

$$

SJC






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