000
CXUS53 KBIS 011257
CLMISN


CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
757 AM CDT WED MAY 1 2013

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

...THE WILLISTON ND CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              92   04/21/1980
                        04/20/1980
 LOW              -15   04/02/1975
HIGHEST            77   04/27                         90  04/24
LOWEST             12   04/09                         11  04/10
AVG. MAXIMUM     44.8              57.0   -12.2     60.0
AVG. MINIMUM     24.2              29.7    -5.5     32.6
MEAN             34.5              43.4    -8.9     46.3
DAYS MAX >= 90      0               0.0     0.0        1
DAYS MAX <= 32      5               0.9     4.1        0
DAYS MIN <= 32     27              17.7     9.3       14
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.31   1967
 MINIMUM           MM   MM
TOTALS           0.83              1.00   -0.17     1.20
DAILY AVG.       0.03              0.03    0.00     0.04
DAYS >= .01        12               7.7     4.3        7
DAYS >= .10         3               2.6     0.4        4
DAYS >= .50         0               0.3    -0.3        1
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.33   04/14 TO 04/14              0.68

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.6   5
                        0
                        -26215
TOTALS           10.0               3.7     6.3        T
SINCE 7/1        58.1              44.0    14.1      7.5
SNOWDEPTH AVG.      1                MM      MM        0
DAYS >= 1.0         3               1.0     2.0        0
GREATEST
 SNOW DEPTH         6   04/14                          0  MM
 24 HR TOTAL      6.1   MM                             T

DEGREE_DAYS
HEATING TOTAL     907               650     257
 SINCE 7/1       8945              8525     420
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    33/310    DATE  04/29
HIGHEST GUST SPEED/DIRECTION    41/300    DATE  04/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          9


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW               14     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

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

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