Climatological Report (Monthly)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 010948
CLMBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
347 AM MDT TUE SEP 1 2015

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            99   08/14
                        08/01
LOWEST             40   08/23
AVG. MAXIMUM     84.8              85.7    -0.9
AVG. MINIMUM     57.1              57.3    -0.2
MEAN             71.0              71.5    -0.5
DAYS MAX >= 90     11
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           0.91              0.75    0.16
DAYS >= .01         8
DAYS >= .10         4
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.34   08/17 TO 08/18

SNOWFALL (INCHES)
TOTALS            0.0               0.0     0.0
SINCE 7/1           T               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      42                22      20
 SINCE 7/1         43                37       6
COOLING TOTAL     235               224      11
 SINCE 1/1        652               582      70
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    51/280    DATE  08/05
HIGHEST GUST SPEED/DIRECTION    62/280    DATE  08/05

AVERAGE RH (PERCENT)     44

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN                7     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      1
HAZE                      7

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

&&

...AUGUST 2015 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR AUGUST 2015. 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   2015 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST       0.91     0.75       +0.16      35TH WETTEST OUT OF 82 YEARS
                                            (RECORD WETTEST WAS 3.50 IN 1965)
                                            (WETTEST SINCE 1.97 IN 2014)

...BILLINGS AUGUST 2015 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2015 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST        0.0       0.0        0.0      NOT DETERMINED

...BILLINGS AUGUST 2015 BROKEN OR TIED DAILY SNOWFALL RECORDS...

NONE

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       71.0      71.5      -0.5      TIED FOR THE 40TH COLDEST OUT OF 82 YEARS
                                           (RECORD COLDEST WAS 64.8 IN 1974)
                                           (COLDEST SINCE 70.2 IN 2014)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       84.8      85.7      -0.9      38TH COLDEST OUT OF 82 YEARS
                                           (RECORD COLDEST WAS 77.3 IN 1974)
                                           (COLDEST SINCE 82.2 IN 2014)

...BILLINGS AUGUST 2015 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AUGUST 2015 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

63 ON AUGUST 17 (OLD RECORD 69 IN 1968)

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       57.1      57.3      -0.2      37TH WARMEST OUT OF 82 YEARS
                                           (RECORD WARMEST WAS 63.3 IN 1983)
                                           (WARMEST SINCE 58.1 IN 2014)

...BILLINGS AUGUST 2015 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS AUGUST 2015 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2015 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST        9.6       9.0       +0.6      TIED FOR THE 18TH WINDIEST OUT OF 66 YEARS
                                            (RECORD WINDIEST WAS 11.4 IN 1957)
                                            (WINDIEST SINCE 9.6 IN 1986)

$$




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