Climatological Report (Monthly)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011114
CLMBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
411 AM MST FRI DEC 1 2017

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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            71   11/23
LOWEST              3   11/07
                        11/06
AVG. MAXIMUM     44.5              45.3    -0.8
AVG. MINIMUM     27.3              26.3     1.0
MEAN             35.9              35.8     0.1
DAYS MAX >= 90      0
DAYS MAX <= 32      7
DAYS MIN <= 32     23
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           1.35              0.63    0.72
DAYS >= .01         9
DAYS >= .10         5
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.44   11/01 TO 11/01

SNOWFALL (INCHES)
TOTALS           12.2               6.5     5.7
SINCE 7/1        12.2              11.7     0.5
SNOWDEPTH AVG.      1
DAYS >= TRACE      10
DAYS >= 1.0         5
GREATEST
 SNOW DEPTH         6   11/07
 24 HR TOTAL      3.4   11/06 TO 11/06

DEGREE_DAYS
HEATING TOTAL     866               876     -10
 SINCE 7/1       1602              1628     -26
COOLING TOTAL       0                 0       0
 SINCE 1/1        840               636     204
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    45/280    DATE  11/29
HIGHEST GUST SPEED/DIRECTION    58/270    DATE  11/29

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW                8     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      6
HAZE                      2

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


&&

...NOVEMBER 2017 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR NOVEMBER 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

NOVEMBER     1.35     0.63       +0.72      10TH WETTEST OUT OF 84 YEARS
                                            (RECORD WETTEST WAS 2.34 IN 1978)
                                            (WETTEST SINCE 1.89 IN 2010)

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

NONE

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

NOVEMBER     12.2       6.5       +5.7      13TH SNOWIEST OUT OF 84 YEARS
                                            (RECORD SNOWIEST WAS 25.2 IN 1978)
                                            (SNOWIEST SINCE 13.2 IN 2014)

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

2.7 ON NOVEMBER  4 (OLD RECORD 2.2 IN 1940)

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

NOVEMBER     35.9      35.8      +0.1      ON THE MEDIAN OUT OF 84 YEARS
                                           (WARMEST 47.5-1949/COLDEST 15.2-1985)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

NOVEMBER     44.5      45.3      -0.8      TIED FOR THE 35TH COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 23.0 IN 1985)
                                           (COLDEST SINCE 43.5 IN 2015)

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

71 ON NOVEMBER 23 (OLD RECORD 65 IN 1942)

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

NONE

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

NOVEMBER     27.3      26.3      +1.0      34TH WARMEST OUT OF 84 YEARS
                                           (RECORD WARMEST WAS 36.3 IN 1949)
                                           (WARMEST SINCE 34.1 IN 2016)

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

45 ON NOVEMBER 22 (OLD RECORD 43 IN 1954)
52 ON NOVEMBER 23 (OLD RECORD 42 IN 1942)

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

3 ON NOVEMBER  6 (OLD RECORD 4 IN 1936)

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

NOVEMBER     10.9      11.8       -0.9      TIED FOR THE 14TH LEAST WINDIEST OUT OF 69 YEARS
                                            (RECORD LEAST WINDIEST WAS 9.8 IN 1996)
                                            (LEAST WINDIEST SINCE 10.9 IN 2016)

$$



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