Climatological Report (Monthly)
Issued by NWS Duluth, MN

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CXUS53 KDLH 230623
CLMDLH


CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1222 AM CST FRI JAN 23 2015

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

...THE DULUTH MN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              56   12/06/1939
 LOW              -35   12/28/1917
HIGHEST            43   12/15        MM      MM       35  12/27
LOWEST            -10   12/30        MM      MM      -21  12/31
                        12/29                             12/30
AVG. MAXIMUM     26.5              22.3     4.2     13.0
AVG. MINIMUM     16.5               7.3     9.2     -3.9
MEAN             21.5              14.8     6.7      4.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     21              24.5    -3.5       30
DAYS MIN <= 32     27              30.5    -3.5       31
DAYS MIN <= 0       5              10.3    -5.3       23

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.89   1879
 MINIMUM         0.07   1905
TOTALS           1.26              1.21    0.05     2.88
DAILY AVG.       0.04              0.04    0.00     0.09
DAYS >= .01        10              10.5    -0.5       17
DAYS >= .10         4               3.5     0.5        5
DAYS >= .50         1               0.5     0.5        3
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.67                            12/03 TO 12/04
                                                          12/04 TO 12/04
                                                          12/04 TO 12/04

SNOWFALL (INCHES)
RECORDS
 TOTAL           44.3   5
                        0
                        -26215
TOTALS            8.6              17.7    -9.1     39.9
SINCE 7/1        25.1              33.8    -8.7     44.9
SNOWDEPTH AVG.      4                 8      -4       16
DAYS >= 1.0         5               5.0     0.0        9
GREATEST
 SNOW DEPTH         6   12/24                         21  12/23
                        12/12
                        12/11
 24 HR TOTAL      1.8   MM

DEGREE_DAYS
HEATING TOTAL    1341              1556    -215     1866
 SINCE 7/1       3556              3769    -213     3823
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        179               204     -25      375
.....................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    29/260    DATE  12/31
HIGHEST GUST SPEED/DIRECTION    41/300    DATE  12/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               3
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          6     HAIL                       0
HEAVY SNOW                0     SNOW                       5
LIGHT SNOW               22     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      7
HAZE                     12

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

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