Climatological Report (Monthly)
Issued by NWS Bismarck, ND

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776
CXUS53 KBIS 011253
CLMISN


CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
653 AM CST TUE JAN 1 2019

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

...THE WILLISTON ND CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1894 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              63   12/06/1939
 LOW              -50   12/23/1983
HIGHEST            50   12/15                         51  12/12
LOWEST            -11   12/31                        -31  12/31
AVG. MAXIMUM     32.3              24.4     7.9     26.3
AVG. MINIMUM     15.1               3.3    11.8      6.8
MEAN             23.7              13.9     9.8     16.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     16              20.1    -4.1       14
DAYS MIN <= 32     31              31.0     0.0       30
DAYS MIN <= 0       3              12.2    -9.2       10

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.50   2008
 MINIMUM            T   1913
TOTALS           0.75              0.62    0.13     0.54
DAILY AVG.       0.02              0.02    0.00     0.02
DAYS >= .01         7               8.6    -1.6        7
DAYS >= .10         2               1.5     0.5        3
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.39   12/26 TO 12/26              0.17

SNOWFALL (INCHES)
TOTALS             MM
SINCE 7/1          MM
SNOWDEPTH AVG.     MM
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH        MM
 24 HR TOTAL       MM

DEGREE_DAYS
HEATING TOTAL    1273              1585    -312
 SINCE 7/1       3561              3747    -186
.................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    28/300    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    46/300    DATE  12/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         12


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW               12     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

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