Climatological Report (Seasonal)
Issued by NWS Bismarck, ND

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000
CXUS53 KBIS 011542
CLSISN

CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1040 AM CDT JUN 01 2013

....................................
...THE WILLISTON ND CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2013 TO
5/31/2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1894 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             106   05/22/1980
 LOW              -35   03/14/1897
HIGHEST            88   05/13        MM      MM       90  04/24
LOWEST            -12   03/25        MM      MM       -4  03/03
AVG. MAXIMUM     46.5              55.0    -8.5     61.0
AVG. MINIMUM     24.3              29.5    -5.2     33.0
MEAN             35.4              42.2    -6.8     47.0
DAYS MAX >= 90      0               0.3    -0.3        1
DAYS MAX <= 32     26               8.7    17.3        2
DAYS MIN <= 32     65              52.0    13.0       40
DAYS MIN <= 0       8               3.1     4.9        1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.25   2011
 MINIMUM         1.78   2009
TOTALS           7.24              3.63    3.61     3.76
DAILY AVG.       0.08              0.04    0.04     0.04
DAYS >= .01        33              25.3     7.7       19
DAYS >= .10        14               9.7     4.3        9
DAYS >= .50         6               1.3     4.7        3
DAYS >= 1.00        2               0.5     1.5        1
GREATEST
 24 HR. TOTAL    1.55   05/30 TO 05/31           05/31 TO 05/31
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    05/31(00) TO 05/31(00)
                                                 05/31(00) TO 05/31(00)1
                                                 05/31(00) TO 05/31(00)1

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.3   2011
TOTALS           26.1              11.2

DEGREE_DAYS
HEATING TOTAL    2705
COOLING TOTAL       8
..................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    40/270    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    54/270    DATE  05/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           44
NUMBER OF DAYS PC             24
NUMBER OF DAYS CLOUDY         24

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      12
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                6     SNOW                       6
LIGHT SNOW               34     SLEET                      0
FOG                      55     FOG W/VIS <= 1/4 MILE      8
HAZE                     14

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