Climatological Report (Monthly)
Issued by NWS Billings, MT

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CXUS55 KBYZ 011001
CLMMLS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
358 AM MDT WED OCT 1 2014

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            97   09/25
LOWEST             29   09/12
AVG. MAXIMUM     74.1              74.2    -0.1
AVG. MINIMUM     46.1              46.1     0.0
MEAN             60.1              60.1     0.0
DAYS MAX >= 90      2
DAYS MAX <= 32      0
DAYS MIN <= 32      2
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           0.29              1.08   -0.79
DAYS >= .01         4
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.18   09/10 TO 09/11

DEGREE_DAYS
HEATING TOTAL     192               202     -10
 SINCE 7/1        226               236     -10
COOLING TOTAL      53                56      -3
 SINCE 1/1        648               728     -80
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    46/320    DATE  09/03
HIGHEST GUST SPEED/DIRECTION    56/320    DATE  09/03

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     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.

&&

THIS IS AN AUTOMATED...UNATTENDED WEATHER STATION AND MAY
UNDERESTIMATE WINTER PRECIPITATION.

...SEPTEMBER 2014 MONTH IN REVIEW FOR MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR SEPTEMBER 2014. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. MONTHLY RANKINGS
FOR PRECIPITATION...SNOWFALL...AND TEMPERATURES USE A PERIOD OF RECORD
THAT STARTED IN FEBRUARY 1937 AT THE MILES CITY AIRPORT.

NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.

...MILES CITY MONTHLY PRECIPITATION...

 MONTH   2014 VALUES  NORMALS    DEPARTURE  RANKING

SEPTEMBER    0.29     1.08       -0.79      16TH DRIEST OUT OF 78 YEARS
                                            (RECORD DRIEST WAS T IN 1960)
                                            (DRIEST SINCE 0.02 IN 2012)

...MILES CITY SEPTEMBER 2014 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

NOTE: SINCE THE LATE 1990S...MILES CITY BECAME AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.

...MILES CITY AVERAGE TEMPERATURES...

 MONTH   2014 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    60.1      60.1       0.0      38TH COLDEST OUT OF 78 YEARS
                                           (RECORD COLDEST WAS 48.0 IN 1965)
                                           (COLDEST SINCE 58.5 IN 2010)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2014 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    74.1      74.2      -0.1      TIED FOR THE 34TH COLDEST OUT OF 78 YEARS
                                           (RECORD COLDEST WAS 58.6 IN 1965)
                                           (COLDEST SINCE 71.2 IN 2010)

...MILES CITY SEPTEMBER 2014 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

97 ON SEPTEMBER 25 (OLD RECORD 92 IN 2011)

...MILES CITY SEPTEMBER 2014 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

57 ON SEPTEMBER  9 (TIED RECORD IN 1946)
43 ON SEPTEMBER 10 (OLD RECORD 51 IN 1989)
48 ON SEPTEMBER 11 (OLD RECORD 49 IN 1949)

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2014 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    46.1      46.1       0.0      32ND COLDEST OUT OF 78 YEARS
                                           (RECORD COLDEST WAS 37.3 IN 1965)
                                           (COLDEST SINCE 45.8 IN 2010)

...MILES CITY SEPTEMBER 2014 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

61 ON SEPTEMBER 25 (OLD RECORD 55 IN 1938)
60 ON SEPTEMBER 26 (OLD RECORD 56 IN 1990)

...MILES CITY SEPTEMBER 2014 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

29 ON SEPTEMBER 12 (TIED RECORD IN 1970)

$$





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