Climatological Report (Monthly)
Issued by NWS Bismarck, ND

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CXUS53 KBIS 011609
CLMISN

CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
849 AM CST THU JAN 1 2015

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

...THE WILLISTON ND CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1894 TO 2014

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            47   12/11                         41  12/27
LOWEST            -20   12/01                        -30  12/23
AVG. MAXIMUM     29.0              24.4     4.6     17.2
AVG. MINIMUM     10.1               3.3     6.8     -2.2
MEAN             19.6              13.9     5.7      7.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     19              20.1    -1.1       22
DAYS MIN <= 32     31              31.0     0.0       31
DAYS MIN <= 0       8              12.2    -4.2       19

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.50   2008
 MINIMUM            T   1913
TOTALS           0.03              0.62   -0.59     1.07
DAILY AVG.       0.00              0.02   -0.02     0.03
DAYS >= .01         3               8.6    -5.6       14
DAYS >= .10         0               1.5    -1.5        4
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.01   12/23 TO 12/23              0.43

SNOWFALL (INCHES)
RECORDS
 TOTAL           35.3   2010
TOTALS             MM               9.5      MM       MM
SINCE 7/1          MM              18.4      MM       MM
SNOWDEPTH AVG.     MM                 4      MM       MM
DAYS >= 1.0         0               2.7    -2.7        0
GREATEST
 SNOW DEPTH        MM                                 MM  MM
 24 HR TOTAL       MM                                 MM

DEGREE_DAYS
HEATING TOTAL    1401              1585    -184
 SINCE 7/1       3594              3747    -153
.................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    26/310    DATE  12/07
HIGHEST GUST SPEED/DIRECTION    32/300    DATE  12/07

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


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                8     SLEET                      0
FOG                      16     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.

$$

THE MONTH OF DECEMBER WAS WARMER AND MUCH DRIER THAN NORMAL IN
WILLISTON. IT WAS THE 4TH DRIEST DECEMBER ON RECORD WITH THE MONTHLY
TOTAL PRECIPITATION ONLY REACHING 0.03 HUNDREDTHS OF AN INCH...WHICH
WAS 0.59 HUNDREDTHS BELOW THE NORMAL 0.62 HUNDREDTHS.
THE AVERAGE TEMPERATURE WAS 19.6 DEGREES WHICH WAS 5.7 DEGREES
ABOVE THE NORMAL 24.4 DEGREES. THERE WERE NO RECORDS SET IN
WILLISTON IN DECEMBER.
THE WINDIEST DAY OCCURRED ON THE 14TH WHEN THE WINDSPEED AVERAGED 15
MPH. A PEAK WIND SPEED OF 32 MPH FROM THE NORTHWEST WAS RECORDED ON
THE 7TH.
HIGH TEMPERATURES IN WILLISTON DURING THE MONTH OF JANUARY NORMALLY
START OUT IN THE UPPER 20S AND FALL TO THE LOWER 20S BY THE END OF
THE MONTH...WHILE OVERNIGHT LOW TEMPERATURES BEGIN IN THE UPPER
SINGLE DIGITS AND FALL TO NEAR ZERO BY FEBRUARY.
EXPECT WILLISTON TO START OUT WITH COLDER THAN NORMAL TEMPERATURES
IN JANUARY...WITH EQUAL CHANCES OF ABOVE OR BELOW NORMAL
PRECIPITATION.





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