Climatological Report (Monthly)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011138
CLMBIL


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

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            94   08/28
                        08/24
LOWEST             51   08/10
AVG. MAXIMUM     85.2              85.7    -0.5
AVG. MINIMUM     57.4              57.3     0.1
MEAN             71.3              71.5    -0.2
DAYS MAX >= 90     11
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           0.17              0.75   -0.58
DAYS >= .01         4
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.09   08/01 TO 08/01

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0
SINCE 7/1         0.0               0.0     0.0
SNOWDEPTH AVG.      0
DAYS >= TRACE       0
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL       2                22     -20
 SINCE 7/1          2                37     -35
COOLING TOTAL     203               224     -21
 SINCE 1/1        740               582     158
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    36/270    DATE  08/01
HIGHEST GUST SPEED/DIRECTION    52/280    DATE  08/01

AVERAGE RH (PERCENT)     39

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                7     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      0
HAZE                      1

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

&&

...AUGUST 2017 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS 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 AUGUST 1934 AT THE BILLINGS AIRPORT. MONTHLY RANKINGS
FOR WIND USE A PERIOD OF RECORD THAT STARTED IN 1984.

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

...BILLINGS MONTHLY PRECIPITATION...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST       0.17     0.75       -0.58      TIED FOR THE 10TH DRIEST OUT OF 84 YEARS
                                            (RECORD DRIEST WAS 0.01 IN 2001)
                                            (DRIEST SINCE 0.07 IN 2007)

...BILLINGS AUGUST 2017 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST        0.0       0.0        0.0      NOT DETERMINED

...BILLINGS AUGUST 2017 BROKEN OR TIED DAILY SNOWFALL RECORDS...

NONE

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       71.3      71.5      -0.2      TIED FOR THE 38TH WARMEST OUT OF 84 YEARS
                                           (RECORD WARMEST WAS 77.5 IN 1983)
                                           (WARMEST SINCE 74.9 IN 2013)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       85.2      85.7      -0.5      ON THE MEDIAN OUT OF 84 YEARS
                                           (WARMEST 92.2-1971/COLDEST 77.3-1974)

...BILLINGS AUGUST 2017 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AUGUST 2017 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       57.4      57.3      +0.1      TIED FOR THE 33RD WARMEST OUT OF 84 YEARS
                                           (RECORD WARMEST WAS 63.3 IN 1983)
                                           (WARMEST SINCE 58.1 IN 2014)

...BILLINGS AUGUST 2017 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS AUGUST 2017 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST        8.0       9.0       -1.0      3RD LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 7.7 IN 1989)
                                            (LEAST WINDIEST SINCE 7.7 IN 1989)

$$





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