Climatological Report (Monthly)
Issued by NWS Billings, MT

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373
CXUS55 KBYZ 011138
CLMMLS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
534 AM MDT FRI SEP 1 2017

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            97   08/28
                        08/24
LOWEST             48   08/10
AVG. MAXIMUM     87.3              87.2     0.1
AVG. MINIMUM     56.7              58.0    -1.3
MEAN             72.0              72.6    -0.6
DAYS MAX >= 90     14
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           0.15              0.91   -0.76
DAYS >= .01         1
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.15   08/02 TO 08/02

DEGREE_DAYS
HEATING TOTAL       4                22     -18
 SINCE 7/1          4                34     -30
COOLING TOTAL     230               257     -27
 SINCE 1/1        894               672     222
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    31/150    DATE  08/24
HIGHEST GUST SPEED/DIRECTION    40/160    DATE  08/24

AVERAGE RH (PERCENT)     42

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

-  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.

...AUGUST 2017 MONTH IN REVIEW FOR MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR AUGUST 2017. 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   2017 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST       0.15     0.91       -0.76      7TH DRIEST OUT OF 81 YEARS
                                            (RECORD DRIEST WAS T IN 1967)
                                            (DRIEST SINCE 0.08 IN 2006)

...MILES CITY AUGUST 2017 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   2017 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       72.0      72.6      -0.6      TIED FOR THE 30TH COLDEST OUT OF 81 YEARS
                                           (RECORD COLDEST WAS 65.8 IN 1977)
                                           (COLDEST SINCE 71.4 IN 2014)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       87.3      87.2      +0.1      TIED FOR THE 37TH COLDEST OUT OF 81 YEARS
                                           (RECORD COLDEST WAS 78.5 IN 1977)
                                           (COLDEST SINCE 83.5 IN 2014)

...MILES CITY AUGUST 2017 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY AUGUST 2017 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       56.7      58.0      -1.3      24TH COLDEST OUT OF 81 YEARS
                                           (RECORD COLDEST WAS 52.8 IN 1950)
                                           (COLDEST SINCE 56.6 IN 2009)

...MILES CITY AUGUST 2017 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...MILES CITY AUGUST 2017 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$





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