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000
CXUS53 KBIS 011140
CLMISN


CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
640 AM CDT SAT JUN 1 2013

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

...THE WILLISTON ND CLIMATE SUMMARY FOR THE MONTH OF MAY 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               10   05/03/2005
HIGHEST            88   05/13                         88  05/16
LOWEST             20   05/02                         28  05/12
AVG. MAXIMUM     66.5              67.7    -1.2     66.5
AVG. MINIMUM     40.9              40.5     0.4     40.5
MEAN             53.7              54.1    -0.4     53.5
DAYS MAX >= 90      0               0.3    -0.3        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      7               5.3     1.7        2
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.38   1965
 MINIMUM           MM   MM
TOTALS           4.99              1.92    3.07     2.46
DAILY AVG.       0.16              0.06    0.10     0.08
DAYS >= .01         9              10.0    -1.0        9
DAYS >= .10         7               5.0     2.0        5
DAYS >= .50         5               0.8     4.2        2
DAYS >= 1.00        2               0.3     1.7        1
GREATEST
 24 HR. TOTAL    1.55   05/30 TO 05/31              1.08

DEGREE_DAYS
COOLING TOTAL       8                12      -4
 SINCE 1/1          8                13      -5
.................................................................

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           21
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          7


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       9
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     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.

$$