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Climatological Report (Annual)
Issued by NWS Duluth, MN
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922
CXUS53 KDLH 021308
CLAINL


CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
707 AM CST TUE JAN 2 2018

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

...THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             103   07/22/1923
 LOW              -55   01/06/1909
HIGHEST            88   07/30        MM      MM       89  07/20
                                                          05/05
LOWEST            -39   01/13        MM      MM      -30  12/18
AVG. MAXIMUM     49.1              48.8     0.3     51.0
AVG. MINIMUM     26.7              26.2     0.5     29.2
MEAN             37.9              37.5     0.4     40.1
DAYS MAX >= 90      0               2.9    -2.9        0
DAYS MAX <= 32    100             102.6    -2.6       89
DAYS MIN <= 32    201             198.2     2.8      188
DAYS MIN <= 0      52              58.8    -6.8       44

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        32.76   2010
 MINIMUM        17.79   2006
TOTALS          23.55             24.22   -0.67    29.36
DAILY AVG.       0.06              0.07   -0.01     0.08
DAYS >= .01       139             128.0    11.0      152
DAYS >= .10        66              54.9    11.1       70
DAYS >= .50        10              12.9    -2.9       20
DAYS >= 1.00        3                      -0.4        2
GREATEST
 24 HR. TOTAL    1.69   08/16 TO 08/17           06/25 TO 06/25
                                                          03/16 TO 03/16
                                                          03/16 TO 03/16
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          109.5   2009
 24 HR TOTAL     13.7   MM
 SNOW DEPTH        34   02/22/2014
TOTALS           66.9              71.0    -4.1     68.3
 LIQUID EQUIV    6.69              7.10   -0.41     6.83
SINCE 7/1        30.4              31.0    -0.6     33.9
SNOWDEPTH AVG.      4                MM      MM        3
DAYS >= TRACE     100              58.9    41.1       88
DAYS >= 1.0        24                       1.8
GREATEST
 SNOW DEPTH        21   02/10                         14  02/28
                                                          02/23
 24 HR TOTAL      7.8   01/02 TO 01/03           03/16 TO 03/16
                                                          03/16 TO 03/16
                                                          03/16 TO 03/16
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    9837             10222    -385     9148
 SINCE 7/1         MM              4175      MM       MM
COOLING TOTAL      86               193    -107      155
 SINCE 1/1         86               192    -106      155

FREEZE DATES
RECORD
 EARLIEST     08/20/1907
 LATEST       07/11/1911
EARLIEST                        MM
LATEST                          MM
.......................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
RESULTANT WIND SPEED/DIRECTION   1/290
HIGHEST WIND SPEED/DIRECTION    44/100    DATE  06/13
HIGHEST GUST SPEED/DIRECTION    56/260    DATE  03/07

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     71


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

.2017 WAS WARMER THAN NORMAL WITH BELOW NORMAL
PRECIPITATION AT INTERNATIONAL FALLS MN...

THE AVERAGE TEMPERATURE FOR 2017 WAS 37.9 DEGREES WHICH WAS 0.4
DEGREES ABOVE THE NORMAL OF 37.5 DEGREES MAKING THIS THE 28TH
WARMEST YEAR IN STATION HISTORY. THE HIGHEST TEMPERATURE FOR THE
YEAR WAS 88 DEGREES JULY 30TH. THE LOWEST TEMPERATURE WAS -39
DEGREES ON JANUARY 13TH. NO MONTHLY TEMPERATURE RECORDS WERE BROKEN
THIS YEAR.

2017 WAS BELOW NORMAL FOR PRECIPITATION WITH A TOTAL OF 23.55 INCHES
OF PRECIPITATION RECORDED FOR THE YEAR. THIS WAS 0.67 INCHES BELOW
THE NORMAL OF 24.22 INCHES. THE GREATEST AMOUNT OF PRECIPITATION IN
A 24 HOUR PERIOD OCCURRED ON AUGUST 16TH TO 17TH WHEN 1.69 INCHES
WAS RECORDED. AT LEAST 0.01 INCHES OF PRECIPITATION FELL ON 139
DAYS. AT LEAST 0.10 INCHES FELL ON 66 DAYS. AT LEAST 0.50 INCHES
FELL ON 10 DAYS. AT LEAST 1.00 INCHES FELL ON 3 DAYS. NO MONTHLY
PRECIPITATION RECORDS WERE BROKEN THIS YEAR.

2017 WAS BELOW NORMAL FOR SNOWFALL WITH A TOTAL OF 66.9 INCHES OF
SNOW RECORDED FOR THE YEAR. THIS WAS 4.1 INCHES BELOW THE NORMAL OF
71.0 INCHES. THE GREATEST AMOUNT OF SNOWFALL IN A 24 HOUR PERIOD
OCCURRED ON JANUARY 2ND TO 3RD WHEN 7.8 INCHES OF SNOW WAS RECORDED.
NO MONTHLY SNOWFALL RECORDS WERE BROKEN THIS YEAR.

THE AVERAGE WIND SPEED FOR THE YEAR WAS 6.9 MPH. THE HIGHEST
SUSTAINED WIND OCCURRED ON JUNE 13TH WITH A SPEED OF 44 MPH OUT OF
THE EAST. THE HIGHEST PEAK WIND GUST OCCURRED ON MARCH 7TH WITH A
SPEED OF 56 MPH OUT OF THE WEST.

THERE WERE 9837 HEATING DEGREE DAYS FOR THE YEAR WHICH WAS 385 BELOW
THE NORMAL OF 10222. THERE WERE 86 COOLING DEGREE DAYS FOR THE YEAR
WHICH WAS 107 BELOW THE NORMAL OF 193. THE HIGHEST SEA LEVEL
PRESSURE FOR THE YEAR WAS 30.87 INCHES REACHED ON JANUARY 13TH AND
THE LOWEST SEA LEVEL PRESSURE READING WAS 29.02 INCHES REACHED ON
MARCH 6TH.

$$
National Weather Service Weather Forecast Office
