Climatological Report (Monthly)
Issued by NWS Bismarck, ND

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CXUS53 KBIS 021548
CLMISN


CLIMATE REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1047 AM CDT MON OCT 2 2017

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

...THE WILLISTON ND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1894 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/01/1983
 LOW               13   09/29/1907
HIGHEST            94   09/09                         92  09/01
LOWEST             33   09/17                         29  09/13
AVG. MAXIMUM     71.2              71.3    -0.1     71.2
AVG. MINIMUM     45.3              42.1     3.2     47.8
MEAN             58.3              56.7     1.6     59.5
DAYS MAX >= 90      1               2.0    -1.0        2
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               3.0    -3.0        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.74   1959
 MINIMUM         0.01   1899
TOTALS           1.83              1.06    0.77     3.54
DAILY AVG.       0.06              0.04    0.02     0.12
DAYS >= .01         9               7.4     1.6       12
DAYS >= .10         4               2.9     1.1        8
DAYS >= .50         1               0.4     0.6        3
DAYS >= 1.00        1               0.1     0.9        1
GREATEST
 24 HR. TOTAL    1.45   08/31 TO 09/01              1.21

DEGREE_DAYS
HEATING TOTAL     232               275     -43
 SINCE 7/1        251               346     -95
COOLING TOTAL      38                26      12
 SINCE 1/1        643               455     188
.................................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    31/310    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    40/320    DATE  09/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          6


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     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.

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