Climatological Report (Monthly)
Issued by NWS Bismarck, ND

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CXUS53 KBIS 011532
CLMISN

CXUS53 KBIS DDHHMM
CLMISN

CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
855 AM CDT MON JUN 1 2015

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

...THE WILLISTON ND CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1894 TO 2015

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            83   05/27                         87  05/24
                                                          05/23
LOWEST             25   05/19                         21  05/14
AVG. MAXIMUM     67.1              67.7    -0.6     68.2
AVG. MINIMUM     38.5              40.5    -2.0     40.2
MEAN             52.8              54.1    -1.3     54.2
DAYS MAX >= 90      0               0.3    -0.3        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      8               5.3     2.7        7
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.38   1965
 MINIMUM         0.06   1958
TOTALS           1.82              1.92   -0.10     1.62
DAILY AVG.       0.06              0.06    0.00     0.05
DAYS >= .01         4              10.0    -6.0       10
DAYS >= .10         4               5.0    -1.0        6
DAYS >= .50         1               0.8     0.2        1
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    0.69   05/06 TO 05/06              0.84

DEGREE_DAYS
COOLING TOTAL       1                12     -11
 SINCE 1/1          1                13     -12
.................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    37/360    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    46/360    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)    0
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          0


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       6     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.

$$

MAY 2015 WAS A COOL AND DRY MONTH FOR THE WILLISTON AREA. THE
AVERAGE MONTHLY TEMPERATURE WAS 52.8 DEGREES...WHICH WAS 1.3 DEGREES
BELOW THE NORMAL 54.1 DEGREES. A RECORD LOW TEMPERATURE OF 29
DEGREES WAS TIED ON THE 19TH.

THE TOTAL PRECIPITATION FOR WILLISTON WAS 1.82 INCHES WHICH WAS 0.10
HUNDREDTHS BELOW THE NORMAL 1.92 INCHES.

$$
RK



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