Climatological Report (Monthly)
Issued by NWS Bismarck, ND

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571
CXUS53 KBIS 021556
CLMISN


CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1041 AM CDT WED MAY 2 2018

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

...THE WILLISTON ND CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1894 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              92   04/21/1980
                        04/20/1980
 LOW              -15   04/02/1975
HIGHEST            82   04/29                         77  04/07
LOWEST             -4   04/01                         14  04/17
AVG. MAXIMUM     47.8              57.0    -9.2     57.2
AVG. MINIMUM     23.3              29.7    -6.4     31.1
MEAN             35.6              43.4    -7.8     44.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      8               0.9     7.1        0
DAYS MIN <= 32     21              17.7     3.3       19
DAYS MIN <= 0       3               0.1     2.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.31   1967
 MINIMUM            T   1931
TOTALS           0.48              1.00   -0.52     0.50
DAILY AVG.       0.02              0.03   -0.01     0.02
DAYS >= .01         5               7.7    -2.7        6
DAYS >= .10         2               2.6    -0.6        2
DAYS >= .50         0               0.3    -0.3        0
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.23   04/29 TO 04/29              0.21

DEGREE_DAYS
HEATING TOTAL     875               650     225
 SINCE 7/1       8988              8525     463
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    35/210    DATE  04/29
HIGHEST GUST SPEED/DIRECTION    44/220    DATE  04/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          6


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                4     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      3
HAZE                      5

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

$$




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