Climatological Report (Monthly)
Issued by NWS Duluth, MN

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CXUS53 KDLH 021930
CLMINL


CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1046 AM CST WED JAN 2 2019

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

...THE INTERNATIONAL FALLS MN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              57   12/07/1939
 LOW              -41   12/19/1955
HIGHEST            47   12/15        MM      MM       40  12/03
                                                          12/02
                                                          12/01
LOWEST            -23   12/29        MM      MM      -37  12/27
AVG. MAXIMUM     25.1              19.0     6.1     14.7
AVG. MINIMUM      6.0               0.4     5.6     -3.0
MEAN             15.5               9.7     5.8      5.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     24              25.7    -1.7       26
DAYS MIN <= 32     31              30.8     0.2       31
DAYS MIN <= 0       8              14.4    -6.4       17

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.19   2016
 MINIMUM         0.07   1913
TOTALS           0.83              0.81    0.02     1.16
DAILY AVG.       0.03              0.03    0.00     0.04
DAYS >= .01         9              10.7    -1.7       16
DAYS >= .10         1               2.5    -1.5        3
DAYS >= .50         1               0.1     0.9        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.51   12/27 TO 12/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           43.9   1992
TOTALS           11.8              15.0    -3.2     16.4
SINCE 7/1        23.3              31.0    -7.7     30.4
SNOWDEPTH AVG.      6                 7      -1        4
DAYS >= 1.0         3               4.8    -1.8        7
GREATEST
 SNOW DEPTH        12   12/30                          9  12/19
                        12/29
                        12/28
 24 HR TOTAL      6.0   12/27 TO 12/27

DEGREE_DAYS
HEATING TOTAL    1527              1714    -187     1827
 SINCE 7/1       4166              4175      -9     4221
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        242               192      50       86
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    26/360    DATE  12/28
HIGHEST GUST SPEED/DIRECTION    37/360    DATE  12/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     84

WEATHER CONDITIONS. NUMBER OF DAYS WITH

THUNDERSTORM              0     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        0
LIGHT RAIN                1     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        1
LIGHT SNOW               16     SLEET                       0
FOG                      23     FOG W/VIS <= 1/4 MILE       3
HAZE                      6


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

$$


.DECEMBER 2018 WAS WARMER THAN NORMAL WITH ABOVE NORMAL
PRECIPITATION AT INTERNATIONAL FALLS MN...

THE AVERAGE TEMPERATURE FOR DECEMBER WAS 15.5 DEGREES WHICH WAS 5.8
DEGREES ABOVE THE NORMAL OF 9.7. THE HIGHEST TEMPERATURE FOR THE
MONTH WAS 47 DEGREES ON THE 15TH. THE LOWEST TEMPERATURE WAS 23
DEGREES BELOW ZERO ON THE 29TH. ONE DAILY TEMPERATURE RECORD WAS
BROKEN FOR THE MONTH. ON DECEMBER 15 THE RECORD HIGH TEMPERATURE OF
47 DEGREES WAS SET. THIS BROKE THE PREVIOUS RECORD OF 44 DEGREES SET
IN 1997. 7 DAYS HAD AVERAGE TEMPERATURES BELOW NORMAL.

DECEMBER 2018 WAS SLIGHTLY ABOVE NORMAL FOR PRECIPITATION WITH A TOTAL
OF 0.83 INCHES OF PRECIPITATION RECORDED FOR THE MONTH. THIS WAS 0.02
INCHES BELOW THE NORMAL OF 0.81 INCHES. THE GREATEST AMOUNT OF
PRECIPITATION IN A 24 HOUR PERIOD OCCURRED ON THE 27TH WHEN 0.51 INCHES
WAS RECORDED. AT LEAST A TRACE OF PRECIPITATION WAS RECORDED ON 20
DAYS. AT LEAST 0.01 INCHES FELL ON 9 DAYS. AT LEAST 0.10 INCHES FELL
ON 1 DAYS. ONE DAILY PRECIPITATION RECORD WAS BROKEN FOR THE MONTH
WHEN 0.51 INCHES FELL ON THE 27TH.

DECEMBER 2018 WAS BELOW NORMAL FOR SNOWFALL WITH A TOTAL OF 11.8 INCHES
OF SNOW FOR THE MONTH. THIS WAS 3.2 INCHES BELOW THE NORMAL OF 15.0
INCHES. THE GREATEST AMOUNT OF SNOWFALL IN A 24 HOUR PERIOD OCCURRED
ON THE 27TH WHEN 6.0 INCHES WAS RECORDED. 6.0 INCHES ON THE 27TH BROKE
THE DAILY SNOWFALL RECORD FOR THAT DAY.

THE AVERAGE WIND SPEED FOR THE MONTH WAS 6.4 MPH. THE WINDIEST DAY OF
THE MONTH WAS ON THE 16TH WITH AN AVERAGE WIND OF 13.1 MPH. THE
HIGHEST SUSTAINED WIND OCCURRED ON THE 28TH WITH A SPEED OF 26 MPH
OUT OF THE NORTH. A PEAK GUST OF 37 MPH WAS RECORDED ON THE 16TH AND
ON THE 28TH WITH WINDS OUT OF THE NORTH AND NORTHWEST RESPECTIVELY.

THERE WERE 1527 HEATING DEGREE DAYS FOR THE MONTH WHICH WAS 187 BELOW THE
NORMAL OF 1714. THIS BROUGHT THE SEASONAL TOTAL TO 4166 WHICH WAS 9
BELOW THE NORMAL OF 4175. THERE WERE 0 COOLING DEGREE DAYS FOR THE
MONTH WHICH WAS NORMAL. THE SEASONAL TOTAL COOLING DEGREE DAYS
STANDS AT 242 WHICH IS 50 ABOVE THE NORMAL OF 192.

THE OUTLOOK FOR JANUARY...NORMAL HIGHS ARE IN THE MID TEENS. NORMAL
LOWS ARE IN THE SINGLE DIGITS BELOW ZERO. NORMAL PRECIPITATION FOR
JANUARY IS 0.62 INCHES. NORMAL SNOWFALL FOR JANUARY IS 15.0 INCHES.
THE LATEST CLIMATE PREDICTION CENTER OUTLOOK INDICATES THAT ODDS ARE
TILTED TOWARD ABOVE NORMAL TEMPERATURES AND THERE ARE EQUAL CHANCES
OF ABOVE OR BELOW NORMAL PRECIPITATION FOR JANUARY.

$$





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