Climatological Report (Monthly)
Issued by NWS Duluth, MN

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CXUS53 KDLH 021423
CLMINL


CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
907 AM CDT SAT SEP 2 2017

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

...THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              95   08/18/2003
                        08/27/1991
                        08/18/1955
 LOW               30   08/28/1982
HIGHEST            84   08/29        MM      MM       85  08/23
                                                          08/03
LOWEST             33   08/24        MM      MM       37  08/21
AVG. MAXIMUM     74.2              75.9    -1.7     76.9
AVG. MINIMUM     47.0              50.7    -3.7     50.8
MEAN             60.6              63.3    -2.7     63.9
DAYS MAX >= 90      0               0.8    -0.8        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.2    -0.2        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.26   1942
 MINIMUM         0.53   1906
TOTALS           4.08              2.81    1.27     3.41
DAILY AVG.       0.13              0.09    0.04     0.11
DAYS >= .01        12              11.0     1.0       14
DAYS >= .10         7               5.8     1.2        7
DAYS >= .50         4               1.9     2.1        3
DAYS >= 1.00        1               0.5     0.5        0
GREATEST
 24 HR. TOTAL    1.69   08/16 TO 08/17

DEGREE_DAYS
HEATING TOTAL     144               111      33       74
 SINCE 7/1        211               181      30      117
COOLING TOTAL      13                58     -45       46
 SINCE 1/1         79               181    -102      148
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.3
HIGHEST WIND SPEED/DIRECTION    28/340    DATE  08/01
HIGHEST GUST SPEED/DIRECTION    39/340    DATE  08/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       9
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      28     FOG W/VIS <= 1/4 MILE      9
HAZE                      2

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

$$

.AUGUST 2017 WAS COOLER THAN NORMAL WITH ABOVE NORMAL PRECIPITATION
AT INTERNATIONAL FALLS MN...

THE AVERAGE TEMPERATURE FOR AUGUST WAS 60.6 DEGREES WHICH WAS 2.7
DEGREES BELOW THE NORMAL OF 63.3 DEGREES. THE HIGHEST TEMPERATURE
FOR THE MONTH WAS 84 DEGREES ON THE 29TH. THE LOWEST TEMPERATURE WAS
33 DEGREES ON THE 24TH. NO DAILY TEMPERATURE RECORDS WERE BROKEN FOR
THE MONTH. TEN DAYS HAD AVERAGE TEMPERATURES ABOVE NORMAL.

AUGUST 2017 WAS ABOVE NORMAL FOR PRECIPITATION WITH A TOTAL OF 4.08
INCHES OF PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 1.27 INCHES
ABOVE THE NORMAL OF 2.81 INCHES. THE GREATEST AMOUNT OF
PRECIPITATION IN A 24 HOUR PERIOD OCCURRED ON THE 16TH TO THE 17TH
WHEN 1.69 INCHES WAS RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS
RECORDED ON 15 DAYS. AT LEAST 0.01 INCHES OF PRECIPITATION FELL ON
12 DAYS. AT LEAST 0.10 INCHES FELL ON 7 DAYS. AT LEAST 0.50 INCHES
FELL ON 4 DAYS. AT LEAST 1 INCH FELL ON 1 DAY. NO DAILY
PRECIPITATION RECORDS WERE BROKEN FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 4.3 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 26TH WITH AN AVERAGE WIND OF 9.1 MPH. THE
HIGHEST SUSTAINED WIND OCCURRED ON THE 1ST WITH A SPEED OF 28 MPH
OUT OF THE NORTHWEST. A PEAK GUST OF 39 MPH WAS RECORDED ON THE 1ST.

THERE WERE 144 HEATING DEGREE DAYS FOR THE MONTH WHICH WAS 33 ABOVE
THE NORMAL OF 111. THIS BROUGHT THE SEASONAL TOTAL TO 211 WHICH WAS
30 ABOVE THE NORMAL OF 181. THERE WERE 13 COOLING DEGREE DAYS FOR
THE MONTH WHICH WAS 45 BELOW THE NORMAL OF 58. THE SEASONAL TOTAL
COOLING DEGREE DAYS STANDS AT 79 WHICH IS 102 BELOW THE NORMAL OF
181. THE HIGHEST SEA LEVEL PRESSURE READING FOR THE MONTH WAS 30.31
INCHES REACHED ON THE 31ST AND THE LOWEST SEA LEVEL PRESSURE READING
WAS 29.73 INCHES REACHED ON THE 20TH.

THE OUTLOOK FOR SEPTEMBER...NORMAL HIGHS BEGIN THE MONTH IN THE LOW
70S AND COOL TO THE UPPER 50S BY THE END OF THE MONTH. NORMAL LOWS
BEGIN THE MONTH IN THE UPPER 40S AND COOL TO THE MID 30S BY THE END
OF THE MONTH. NORMAL PRECIPITATION FOR SEPTEMBER IS 2.99 INCHES. THE
LATEST CPC OUTLOOK INDICATES THAT THERE IS NO CLEAR INDICATION FOR
ABOVE OR BELOW NORMAL TEMPERATURES AND ODDS ARE SLIGHTLY TILTED
TOWARDS BELOW NORMAL PRECIPITATION.

$$

WL


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