Climatological Report (Monthly)
Issued by NWS Bismarck, ND

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CXUS53 KBIS 011422
CLMBIS

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

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

...THE BISMARCK ND CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1875 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   05/30/1934
                        05/28/1934
 LOW               13   05/03/1907
HIGHEST            91   05/13                         87  05/17
LOWEST             21   05/02                         31  05/31
                                                          05/12
                                                          05/09
AVG. MAXIMUM     67.8              68.4    -0.6     69.1
AVG. MINIMUM     41.8              42.6    -0.8     41.3
MEAN             54.8              55.5    -0.7     55.2
DAYS MAX >= 90      1               0.4     0.6        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      9               3.5     5.5        4
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.04   1927
 MINIMUM         0.04   1901
TOTALS           7.37R             2.40    4.97     1.98
DAILY AVG.       0.24              0.08    0.16     0.06
DAYS >= .01        11              10.1     0.9       13
DAYS >= .10         9               5.4     3.6        7
DAYS >= .50         6               1.4     4.6        0
DAYS >= 1.00        3               0.4     2.6        0
GREATEST
 24 HR. TOTAL    2.22   05/18 TO 05/19              0.71

DEGREE_DAYS
COOLING TOTAL      12                16      -4
 SINCE 1/1         12                17      -5
.................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    39/150    DATE  05/26
HIGHEST GUST SPEED/DIRECTION    53/280    DATE  05/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          8


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       9
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

$$

MAY 2013 WAS A SLIGHTLY COOL AND HISTORICALLY WET MONTH FOR
BISMARCK. THE AVERAGE MONTHLY TEMPERATURE WAS 54.8 DEGREES...WHICH
WAS 0.7 DEGREES COOLER THAN THE NORMAL 55.5 DEGREES. TOTAL
PRECIPITATION MEASURED BROKE AN ALL TIME RECORD WITH 7.37 INCHES.
THE OLD RECORD TOTAL PRECIPITATION FOR MAY WAS 7.04 INCHES SET BACK
IN 1927. THIS NEW TOTAL WAS 4.97 INCHES HIGHER THAN THE NORMAL 2.40
INCHES. THAT AVERAGED OUT TO 0.24 INCHES OF PRECIPITATION EACH DAY.

THERE WERE ALSO TWO NEW DAILY PRECIPITATION RECORDS SET IN MAY ON
TWO CONSECUTIVE DAYS. 1.32 INCHES OF RAIN FELL ON THE 18TH...WHICH
BROKE THE OLD RECORD OF 1.07 INCHES SET ON THAT DATE IN 1898....WHILE
1.51 INCHES FELL ON THE 19TH...WHICH BROKE THE OLD RECORD OF 1.36
INCHES SET ON THAT DATE IN 1877. THE GREATEST AMOUNT OF RAIN THAT
FELL IN A 24 HOUR PERIOD WAS 2.22 INCHES WHICH WAS ALSO ON THE 18TH
AND 19TH. THE MOST RECORDED PRECIPITATION THAT EVER FELL IN A SINGLE
MONTH WAS IN JULY 1993 WITH 13.75 INCHES.

THERE WERE 13 DAYS IN MAY WHERE AT LEAST A TRACE OF RAIN FELL...11
DAYS WITH 0.01 INCH OR MORE...9 DAYS WITH 0.10 INCH OR MORE...6
DAYS WITH 0.50 INCH OR MORE AND 3 DAYS WITH 1.00 INCH OR MORE.

NORMAL HIGH TEMPERATURES IN JUNE USUALLY START OUT IN THE LOWER 70S
AND CLIMB TO THE LOWER 80S BY JULY. NORMAL LOW TEMPERATURES BEGIN IN
THE HIGH 40S AND RISE TO THE MID 50S BY THE END OF THE MONTH.

AFTER A WET FIRST WEEK OF JUNE...WE CAN EXPECT NEAR NORMAL
TEMPERATURES AND PRECIPITATION FOR THE MONTH.





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