Climatological Report (Monthly)
Issued by NWS Duluth, MN

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CXUS53 KDLH 051720
CLMINL


CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1217 PM CDT MON JUN 5 2017

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

...THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE MONTH OF MAY 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   05/21/1964
 LOW               11   05/03/1967
HIGHEST            76   05/27        MM      MM       89  05/05
                        05/26
LOWEST             25   05/19        MM      MM       25  05/15
                        05/11
AVG. MAXIMUM     61.4              64.8    -3.4     67.7
AVG. MINIMUM     36.8              38.7    -1.9     38.2
MEAN             49.1              51.8    -2.7     52.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32     11               7.7     3.3       11
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.70   2013
 MINIMUM         1.61   2017
                        2016
TOTALS           1.61             2.86   -1.25     1.61
DAILY AVG.       0.05              0.09   -0.04     0.05
DAYS >= .01        11              12.4    -1.4       11
DAYS >= .10         6               6.7    -0.7        5
DAYS >= .50         0               1.8    -1.8        1
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    0.73   05/28 TO 05/29

DEGREE_DAYS
HEATING TOTAL     484               419      65      367
 SINCE 7/1       8964             10057   -1093     8828
COOLING TOTAL       0                 8      -8        2
 SINCE 1/1          0                 9      -9        2
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    25/090    DATE  05/20
HIGHEST GUST SPEED/DIRECTION    36/100    DATE  05/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      7

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

$$

.MAY 2017 WAS COOLER WITH BELOW NORMAL PRECIPITATION AT
INTERNATIONAL FALLS MN...

THE AVERAGE TEMPERATURE FOR MAY WAS 49.1 DEGREES WHICH WAS 2.7
DEGREES BELOW THE NORMAL OF 51.8 DEGREES. THE HIGHEST TEMPERATURE
FOR THE MONTH WAS 76 DEGREES ON THE 26TH AND 27TH. THE LOWEST
TEMPERATURE WAS 25 DEGREES ON THE 11TH AND 19TH. NO DAILY
TEMPERATURE RECORDS WERE SET FOR THE MONTH.

MAY 2017 WAS BELOW NORMAL FOR PRECIPITATION WITH A TOTAL OF 1.61
INCHES OF PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 1.25 INCHES
BELOW THE NORMAL OF 2.86 INCHES. THE GREATEST AMOUNT OF
PRECIPITATION IN A 24 HOUR PERIOD OCCURRED ON THE 28TH AND 29TH WHEN
0.73 INCHES WAS RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS
RECORDED ON 14 DAYS. AT LEAST 0.01 OF AN INCH OF PRECIPITATION FELL
ON 11 DAYS. AT LEAST 0.10 OF AN INCH FELL ON 6 DAYS. THERE WAS NO
SNOW REPORTED FOR THE MONTH WHICH IS 0.2 INCHES BELOW THE NORMAL OF
0.2 INCHES. NO DAILY PRECIPITATION RECORDS WERE BROKEN FOR THE MONTH.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 7.3 MPH. THE WINDIEST DAY
FOR THE MONTH WAS ON THE 18TH WITH AN AVERAGE WIND OF 11.9. THE
HIGHEST SUSTAINED WIND OCCURRED ON THE 9TH AND 20TH WITH A SPEED OF
25 MPH OUT OF THE EAST AND NORTHWEST RESPECTIVELY. A PEAK GUST OF 36
MPH FROM THE NORTH NORTHEAST WAS RECORDED ON THE 18TH AND AGAIN ON
THE 20TH OUT OF THE EAST SOUTHEAST. THERE WERE 484 HEATING DEGREE
DAYS FOR THE MONTH WHICH WAS 65 ABOVE THE NORMAL OF 419. THIS
BROUGHT THE SEASONAL TOTAL TO 8964 WHICH WAS 1093 BELOW THE NORMAL
OF 10057. THERE WERE 0 COOLING DEGREE DAYS FOR THE MONTH WHICH WAS 8
BELOW THE NORMAL OF 8. THE SEASONAL TOTAL COOLING DEGREE DAYS STANDS
AT 0 WHICH IS 9 BELOW THE NORMAL OF 9. THE HIGHEST SEA LEVEL
PRESSURE READING FOR THE MONTH WAS 30.36 INCHES REACHED ON THE 19TH
AND THE LOWEST SEA LEVEL PRESSURE READING WAS 29.51 INCHES REACHED
ON THE 16TH.

THE OUTLOOK FOR JUNE...NORMAL HIGHS BEGIN THE MONTH IN THE LOW 70S
AND WARM TO THE MID 70S AT THE END OF THE MONTH. NORMAL LOWS FOR THE
MONTH START IN THE MID 40S AND WARM TO THE LOW 50S AT THE END OF THE
MONTH. NORMAL PRECIPITATION FOR JUNE IS 3.92 INCHES.

$$

WM



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