Climatological Report (Seasonal)
Issued by NWS Duluth, MN

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CXUS53 KDLH 041703 CCA
CLSDLH


CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE DULUTH MN
1103 AM CST MON DEC 4 2017

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

...THE DULUTH CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              95   09/07/1976
 LOW              -29   11/29/1875
HIGHEST            83   09/23        MM      MM       80
LOWEST             -5   11/10        MM      MM       10
MEAN             43.3              42.5     0.8     49.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.46   2015
TOTALS           8.26              9.05   -0.79     7.67

SNOWFALL (INCHES)
SINCE 7/1        21.6

DEGREE_DAYS
HEATING TOTAL    1976              2063     -87     1428
COOLING TOTAL      26                15      11       14
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    47/270
HIGHEST GUST SPEED/DIRECTION    61/270

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM



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

$$

THE 2017 FALL SEASON WAS WARMER THAN NORMAL WITH BELOW NORMAL
PRECIPITATION AT DULUTH MN...

THE AVERAGE TEMPERATURE FOR THE FALL SEASON WAS 43.3 DEGREES WHICH
WAS 0.8 DEGREES ABOVE THE NORMAL OF 42.5 DEGREES. THE HIGHEST
TEMPERATURE FOR THE FALL WAS 83 DEGREES ON SEPTEMBER 23RD. THE
LOWEST TEMPERATURE FOR THE FALL WAS -5 DEGREES ON THE NOVEMBER 10TH.
NO MONTHLY TEMPERATURE RECORDS WERE BROKEN THIS FALL.

THE FALL OF 2017 WAS BELOW NORMAL FOR PRECIPITATION WITH A TOTAL
8.26 INCHES RECORDED FOR THE SEASON. THIS WAS 0.79 INCHES BELOW THE
NORMAL OF 9.05 INCHES. THE GREATEST AMOUNT OF PRECIPITATION IN A 24
HOUR PERIOD OCCURRED ON OCTOBER 2ND TO 3RD WHEN 1.67 INCHES WAS
RECORDED. AT LEAST 0.01 INCHES OF PRECIPITATION FELL ON 40 DAYS. AT
LEAST 0.10 INCHES FELL ON 20 DAYS. AT LEAST 0.50 INCHES FELL ON
DAYS. AT LEAST 1 INCH FELL ON 1 DAY. NO MONTHLY PRECIPITATION
RECORDS WERE BROKEN THIS FALL.

THE FALL OF 2017 WAS ABOVE NORMAL FOR SNOWFALL WITH A TOTAL OF 21.6
INCHES RECORDED FOR THE SEASON. THIS WAS 5.5 INCHES ABOVE THE NORMAL
OF 16.1 INCHES...MAKING THIS THIS 16TH SNOWIEST FALL IN STATION
HISTORY. THE GREATEST AMOUNT OF SNOWFALL IN A 24 HOUR PERIOD
OCCURRED ON OCTOBER 27TH WHEN 10.6 INCHES OF SNOW WAS RECORDED. NO
MONTHLY SNOWFALL RECORDS WERE BROKEN FOR THE FALL...HOWEVER IT WAS
THE 3RD SNOWIEST OCTOBER IN STATION HISTORY WITH A TOTAL OF 11.1
INCHES RECORDED.

THE AVERAGE WIND SPEED FOR THE FALL WAS 10.4 MPH. THE HIGHEST
SUSTAINED WIND OCCURRED ON SEPTEMBER 22ND WITH A WIND FROM THE WEST
AT 47 MPH. THE HIGHEST PEAK WIND GUST OCCURRED ON SEPTEMBER 22ND
WITH A WIND FROM THE WEST AT 61 MPH.

THERE WERE 1976 HEATING DEGREE DAYS FOR THE FALL WHICH WAS 88 BELOW
THE NORMAL OF 2064. THERE WERE 26 COOLING DEGREE DAYS FOR THE FALL
WHICH WAS 12 ABOVE THE NORMAL OF 14.

THE OUTLOOK FOR WINTER...NORMAL HIGHS START IN THE UPPER 20S IN
EARLY DECEMBER AND COOL TO THE UPPER TEENS ABOVE ZERO BY MID
JANUARY. BY THE END OF FEBRUARY HIGHS WARM BACK UP TO THE UPPER 20S.
NORMAL LOWS START IN THE MID TEENS ABOVE ZERO IN EARLY DECEMBER AND
COOL TO NEAR ZERO BY MID JANUARY. BY THE END OF FEBRUARY LOWS WARM
UP TO THE LOW TEENS ABOVE ZERO. NORMAL PRECIPITATION FOR THE WINTER
IS 2.98 INCHES. NORMAL SNOWFALL FOR THE WINTER IS 49.5 INCHES. THE
LATEST CLIMATE PREDICTION CENTER OUTLOOK INDICATES THAT ODDS ARE
SLIGHTLY TILTED TOWARDS BELOW NORMAL TEMPERATURES AND ABOVE NORMAL
PRECIPITATION.

$$

SG



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