Climatological Report (Annual)
Issued by NWS Billings, MT

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517
CXUS55 KBYZ 011224
CLABIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
443 AM MST MON JAN 1 2018

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE YEAR OF 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)
RECORD
 HIGH             108   07/14/2002
 LOW              -38   02/15/1936
HIGHEST           100   07/15
                        07/08
LOWEST            -17   12/31
AVG. MAXIMUM     59.3              59.5    -0.2
AVG. MINIMUM     37.5              36.8     0.7
MEAN             48.4              48.2     0.2
DAYS MAX >= 90     44                      15.6
DAYS MAX <= 32     55                      18.1
DAYS MIN <= 32    130                      -8.0
DAYS MIN <= 0      17                       3.5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        26.81   1978
 MINIMUM         6.86   2012
TOTALS          17.63             13.66    3.97
DAYS >= .01        99                       2.5
DAYS >= .10        45                       6.9
DAYS >= .50        10                       4.8
DAYS >= 1.00        4                       3.1

SNOWFALL (INCHES)
RECORDS
 TOTAL          127.9   1955
TOTALS           75.9              55.0    20.9
DAYS >= TRACE      69              38.7    30.3
DAYS >= 1.0        25              17.4     7.6
GREATEST
 SNOW DEPTH        17   12/31

DEGREE_DAYS
HEATING TOTAL    6770              6781     -11
COOLING TOTAL     840               637     203

FREEZE DATES
RECORD
 EARLIEST     09/04/1962
 LATEST       06/13/1969
EARLIEST        10/02           10/04
LATEST          04/25           05/07
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
RESULTANT WIND SPEED/DIRECTION   4/258
HIGHEST WIND SPEED/DIRECTION    46/330    DATE  07/06
HIGHEST GUST SPEED/DIRECTION    60/280    DATE  07/16


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             33     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                      28
LIGHT RAIN              102     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       3
HEAVY SNOW                6     SNOW                      20
LIGHT SNOW               62     SLEET                      3
FOG                      99     FOG W/VIS <= 1/4 MILE     19
HAZE                     22

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

&&

...2017 YEAR IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR 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. ANNUAL RANKINGS
FOR PRECIPITATION...SNOWFALL...AND TEMPERATURES USE A PERIOD OF RECORD
THAT STARTED IN 1935. MONTHLY AND ANNUAL 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

JANUARY      0.63     0.48       +0.15      35TH WETTEST OUT OF 83 YEARS
                                            (RECORD WETTEST WAS 2.35 IN 1972)
                                            (WETTEST SINCE 1.09 IN 2015)

FEBRUARY     0.83     0.48       +0.35      16TH WETTEST OUT OF 83 YEARS
                                            (RECORD WETTEST WAS 2.06 IN 2014)
                                            (WETTEST SINCE 2.06 IN 2014)

MARCH        2.22     1.06       +1.16      3RD WETTEST OUT OF 83 YEARS
                                            (RECORD WETTEST WAS 2.70 IN 1954)
                                            (WETTEST SINCE 2.67 IN 2006)

APRIL        3.34     1.66       +1.68      7TH WETTEST OUT OF 83 YEARS
                                            (RECORD WETTEST WAS 4.42 IN 1955)
                                            (WETTEST SINCE 3.87 IN 1991)

MAY          1.61     2.18       -0.57      31ST DRIEST OUT OF 83 YEARS
                                            (RECORD DRIEST WAS 0.22 IN 2001)
                                            (DRIEST SINCE 0.64 IN 2009)

JUNE         2.31     2.12       +0.19      26TH WETTEST OUT OF 83 YEARS
                                            (RECORD WETTEST WAS 7.64 IN 1944)
                                            (WETTEST SINCE 5.10 IN 2010)

JULY         0.13     1.32       -1.19      6TH DRIEST OUT OF 83 YEARS
                                            (RECORD DRIEST WAS T IN 2003)
                                            (DRIEST SINCE T IN 2003)

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)

SEPTEMBER    2.74     1.30       +1.44      6TH WETTEST OUT OF 84 YEARS
                                            (RECORD WETTEST WAS 4.99 IN 1941)
                                            (WETTEST SINCE 3.63 IN 2013)

OCTOBER      0.49     1.18       -0.69      17TH DRIEST OUT OF 84 YEARS
                                            (RECORD DRIEST WAS 0.01 IN 1987)
                                            (DRIEST SINCE 0.16 IN 2014)

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)

DECEMBER     1.81     0.50       +1.31      5TH WETTEST OUT OF 84 YEARS
                                            (RECORD WETTEST WAS 2.00 IN 1973)
                                            (WETTEST SINCE 1.98 IN 2013)

YEAR        17.63    13.66       +3.97      13TH WETTEST OUT OF 83 YEARS
                                            (RECORD WETTEST WAS 26.81 IN 1978)
                                            (WETTEST SINCE 19.54 IN 2011)

...BILLINGS 2017 TOP 3 DAILY MAXIMUM PRECIPITATION...

1 - 1.26   APRIL  9
2 - 1.22   SEPTEMBER 15
3 - 1.11   JUNE 12

ALL TIME DAILY PRECIPITATION RECORD...3.12 ON MAY 24 2011

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

0.28 ON JANUARY 31 (OLD RECORD 0.22 IN 2014)
1.26 ON APRIL  9 (OLD RECORD 0.36 IN 1940)
1.22 ON SEPTEMBER 15 (OLD RECORD 0.64 IN 1965)
0.72 ON DECEMBER 29 (OLD RECORD 0.30 IN 1973)

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      12.2       8.4       +3.8      TIED FOR THE 24TH SNOWIEST OUT OF 83 YEARS
                                            (RECORD SNOWIEST WAS 27.7 IN 1963)
                                            (SNOWIEST SINCE 18.7 IN 2015)

FEBRUARY     12.4       6.2       +6.2      17TH SNOWIEST OUT OF 83 YEARS
                                            (RECORD SNOWIEST WAS 37.0 IN 2014)
                                            (SNOWIEST SINCE 37.0 IN 2014)

MARCH        10.4      10.2       +0.2      35TH SNOWIEST OUT OF 83 YEARS
                                            (RECORD SNOWIEST WAS 27.6 IN 1935)
                                            (SNOWIEST SINCE 10.6 IN 2014)

APRIL         3.4       8.3       -4.9      TIED FOR THE 28TH LEAST SNOWIEST OUT OF 83 YEARS
                                            (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 1949)
                                            (LEAST SNOWIEST SINCE 1.8 IN 2016)

MAY             T       2.0       -2.0      TIED FOR THE 20TH LEAST SNOWIEST OUT OF 83 YEARS
                                            (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 1993)
                                            (LEAST SNOWIEST SINCE T IN 2016)

JUNE          0.0       0.0        0.0      NOT DETERMINED

JULY          0.0       0.0        0.0      NOT DETERMINED

AUGUST        0.0       0.0        0.0      NOT DETERMINED

SEPTEMBER     0.0       1.1       -1.1      TIED FOR THE RECORD LEAST SNOWIEST OUT OF 84 YEARS
                                            (OLD RECORD LEAST SNOWIEST WAS 0.0 TIED IN 2016)

OCTOBER         T       4.1       -4.1      TIED FOR THE 8TH LEAST SNOWIEST OUT OF 84 YEARS
                                            (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 2015)
                                            (LEAST SNOWIEST SINCE 0.0 IN 2015)

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)

DECEMBER     25.3       8.2      +17.1      3RD SNOWIEST OUT OF 84 YEARS
                                            (RECORD SNOWIEST WAS 30.4 IN 2016)
                                            (SNOWIEST SINCE 30.4 IN 2016)

YEAR         75.9      55.0      +20.9      11TH SNOWIEST OUT OF 83 YEARS
                                            (RECORD SNOWIEST WAS 127.9 IN 1955)
                                            (SNOWIEST SINCE 90.1 IN 2014)

...BILLINGS 2017 TOP 3 DAILY MAXIMUM SNOWFALL...

1 - 8.9   DECEMBER 29
2 - 7.9   MARCH  9
3 - 5.6   JANUARY 31

ALL TIME DAILY SNOWFALL RECORD...23.7 ON APRIL  4 1955

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

5.6 ON JANUARY 31 (OLD RECORD 5.0 IN 1939)
2.7 ON NOVEMBER  4 (OLD RECORD 2.2 IN 1940)
2.3 ON DECEMBER 27 (OLD RECORD 2.0 IN 1934)
8.9 ON DECEMBER 29 (OLD RECORD 4.1 IN 2010)

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      19.1      27.1      -8.0      21ST COLDEST OUT OF 83 YEARS
                                           (RECORD COLDEST WAS 5.1 IN 1950)
                                           (COLDEST SINCE 18.8 IN 1997)

FEBRUARY     29.9      30.4      -0.5      38TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 41.0 TIED IN 2016)
                                           (WARMEST SINCE 41.0 IN 2016)

MARCH        41.6      37.7      +3.9      13TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 47.0 IN 2012)
                                           (WARMEST SINCE 43.0 IN 2016)

APRIL        47.7      46.2      +1.5      TIED FOR THE 24TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 54.6 IN 1980)
                                           (WARMEST SINCE 49.6 IN 2016)

MAY          57.3      55.6      +1.7      TIED FOR THE 20TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 64.7 IN 1936)
                                           (WARMEST SINCE 57.4 IN 2013)

JUNE         67.0      64.7      +2.3      TIED FOR THE 12TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 75.9 IN 1988)
                                           (WARMEST SINCE 70.7 IN 2016)

JULY         78.3      72.8      +5.5      TIED FOR THE 4TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 81.0 IN 1936)
                                           (WARMEST SINCE 78.3 IN 2012)

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)

SEPTEMBER    60.2      60.3      -0.1      41ST COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 47.1 IN 1965)
                                           (COLDEST SINCE 59.7 IN 2010)

OCTOBER      48.6      48.2      +0.4      32ND COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 40.0 IN 1969)
                                           (COLDEST SINCE 44.7 IN 2013)

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

DECEMBER     24.4      26.5      -2.1      23RD COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 8.7 IN 1983)
                                           (COLDEST SINCE 18.7 IN 2016)

YEAR         48.4      48.2      +0.2      TIED FOR THE 25TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 51.1 IN 2012)
                                           (WARMEST SINCE 50.7 IN 2016)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      26.3      36.4     -10.1      16TH COLDEST OUT OF 83 YEARS
                                           (RECORD COLDEST WAS 15.1 IN 1969)
                                           (COLDEST SINCE 26.1 IN 1993)

FEBRUARY     39.1      40.2      -1.1      41ST WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 52.1 IN 2016)
                                           (WARMEST SINCE 52.1 IN 2016)

MARCH        51.7      48.6      +3.1      TIED FOR THE 18TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 59.8 IN 2012)
                                           (WARMEST SINCE 54.7 IN 2016)

APRIL        58.0      57.6      +0.4      34TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 69.0 IN 1987)
                                           (WARMEST SINCE 60.3 IN 2016)

MAY          69.6      67.5      +2.1      23RD WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 80.9 IN 1936)
                                           (WARMEST SINCE 70.6 IN 2009)

JUNE         80.0      77.2      +2.8      20TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 92.0 IN 1988)
                                           (WARMEST SINCE 85.6 IN 2016)

JULY         93.1      86.8      +6.3      TIED FOR THE 5TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 96.3 IN 1936)
                                           (WARMEST SINCE 93.3 IN 2012)

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

SEPTEMBER    71.7      73.1      -1.4      TIED FOR THE 29TH COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 55.9 IN 1965)
                                           (COLDEST SINCE 71.7 IN 2016)

OCTOBER      60.6      59.4      +1.2      38TH COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 48.3 IN 1969)
                                           (COLDEST SINCE 54.0 IN 2013)

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)

DECEMBER     31.9      35.2      -3.3      23RD COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 17.6 IN 1983)
                                           (COLDEST SINCE 25.9 IN 2016)

YEAR         59.3      59.5      -0.2      38TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 64.3 IN 1939)
                                           (WARMEST SINCE 61.9 IN 2016)

...BILLINGS 2017 TOP 3 WARMEST DAILY HIGH TEMPERATURES...

1 - 100   JULY 15
2 - 100   JULY  8
3 - 99   JULY 13

ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...108 ON JULY 14 2002

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

80 ON APRIL 13 (OLD RECORD 78 IN 2002)
79 ON OCTOBER 25 (OLD RECORD 78 IN 1977)
71 ON NOVEMBER 23 (OLD RECORD 65 IN 1942)
57 ON DECEMBER 12 (TIED RECORD IN 1988)

...BILLINGS 2017 TOP 3 COLDEST DAILY HIGH TEMPERATURES...

1 - -6   DECEMBER 31
2 - -4   DECEMBER 30
3 - 3   DECEMBER 25

ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-21 ON JANUARY 26 1972

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

-6 ON DECEMBER 31 (OLD RECORD -5 IN 1941)

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      11.8      17.8      -6.0      28TH COLDEST OUT OF 83 YEARS
                                           (RECORD COLDEST WAS -5.2 IN 1950)
                                           (COLDEST SINCE 10.7 IN 1997)

FEBRUARY     20.6      20.6       0.0      35TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 30.2 IN 1991)
                                           (WARMEST SINCE 29.9 IN 2016)

MARCH        31.5      26.9      +4.6      9TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 34.5 IN 1986)
                                           (WARMEST SINCE 34.0 IN 2015)

APRIL        37.3      34.7      +2.6      13TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 40.8 IN 1980)
                                           (WARMEST SINCE 38.8 IN 2016)

MAY          44.9      43.6      +1.3      TIED FOR THE 21ST WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 49.7 IN 1958)
                                           (WARMEST SINCE 46.2 IN 2013)

JUNE         54.0      52.1      +1.9      13TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 59.8 IN 1988)
                                           (WARMEST SINCE 55.8 IN 2016)

JULY         63.5      58.8      +4.7      4TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 65.7 IN 1936)
                                           (WARMEST SINCE 64.7 IN 2007)

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)

SEPTEMBER    48.6      47.5      +1.1      TIED FOR THE 24TH WARMEST OUT OF 84 YEARS
                                           (RECORD WARMEST WAS 53.8 IN 1940)
                                           (WARMEST SINCE 50.6 IN 2016)

OCTOBER      36.6      37.1      -0.5      29TH COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 30.7 IN 1984)
                                           (COLDEST SINCE 35.3 IN 2013)

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)

DECEMBER     16.9      17.8      -0.9      29TH COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 0.3 IN 1983)
                                           (COLDEST SINCE 11.5 IN 2016)

YEAR         37.5      36.8      +0.7      TIED FOR THE 16TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 39.5 IN 2016)
                                           (WARMEST SINCE 39.5 IN 2016)

...BILLINGS 2017 TOP 3 WARMEST DAILY LOW TEMPERATURES...

1 - 71   JULY 16
2 - 71   JULY  9
3 - 70   JULY 14

ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...76 ON JUNE 28 1936

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

42 ON FEBRUARY 16 (OLD RECORD 41 IN 1982)
48 ON APRIL  7 (TIED RECORD IN 1996)
53 ON MAY  6 (TIED RECORD IN 2016)
71 ON JULY  9 (OLD RECORD 68 IN 2001)
69 ON JULY 27 (TIED RECORD IN 1959)
65 ON SEPTEMBER 10 (OLD RECORD 63 IN 2012)
63 ON SEPTEMBER 11 (OLD RECORD 62 IN 1993)
45 ON NOVEMBER 22 (OLD RECORD 43 IN 1954)
52 ON NOVEMBER 23 (OLD RECORD 42 IN 1942)

...BILLINGS 2017 TOP 3 COLDEST DAILY LOW TEMPERATURES...

1 - -17   DECEMBER 31
2 - -10   JANUARY  5
3 - -9   DECEMBER 30

ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-38 ON FEBRUARY 15 1936

...BILLINGS 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

JANUARY      13.7      13.2       +0.5      29TH WINDIEST OUT OF 68 YEARS
                                            (RECORD WINDIEST WAS 17.7 IN 1962)
                                            (WINDIEST SINCE 14.5 IN 2015)

FEBRUARY     11.4      11.9       -0.5      TIED FOR THE 25TH LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 8.6 IN 1958)
                                            (LEAST WINDIEST SINCE 10.8 IN 2012)

MARCH         9.3      10.8       -1.5      TIED FOR THE 5TH LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 8.7 IN 1983)
                                            (LEAST WINDIEST SINCE 9.1 IN 2010)

APRIL        10.2      10.5       -0.3      TIED FOR THE 14TH LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 8.8 IN 1983)
                                            (LEAST WINDIEST SINCE 10.2 IN 2015)

MAY           9.2       9.9       -0.7      TIED FOR THE 7TH LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 8.6 IN 1991)
                                            (LEAST WINDIEST SINCE 9.0 IN 2015)

JUNE          9.7       9.5       +0.2      TIED FOR THE 32ND LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 7.7 IN 1983)
                                            (LEAST WINDIEST SINCE 9.6 IN 2016)

JULY          8.5       8.9       -0.4      TIED FOR THE 9TH LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 7.6 IN 2011)
                                            (LEAST WINDIEST SINCE 8.4 IN 2014)

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)

SEPTEMBER     8.8       9.5       -0.7      TIED FOR THE 13TH LEAST WINDIEST OUT OF 68 YEARS
                                            (RECORD LEAST WINDIEST WAS 7.7 IN 2008)
                                            (LEAST WINDIEST SINCE 8.0 IN 2012)

OCTOBER      12.9      10.4       +2.5      2ND WINDIEST OUT OF 69 YEARS
                                            (RECORD WINDIEST WAS 13.7 IN 1961)
                                            (WINDIEST SINCE 13.7 IN 1961)

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)

DECEMBER     12.3      12.9       -0.6      TIED FOR THE 21ST LEAST WINDIEST OUT OF 69 YEARS
                                            (RECORD LEAST WINDIEST WAS 10.3 IN 1983)
                                            (LEAST WINDIEST SINCE 12.3 IN 2015)

YEAR         10.4      10.7       -0.3      TIED FOR THE 14TH LEAST WINDIEST OUT OF 69 YEARS
                                            (RECORD LEAST WINDIEST WAS 9.5 IN 1983)
                                            (LEAST WINDIEST SINCE 10.3 IN 2012)

...BILLINGS 2017 TOP 3 DAILY MAXIMUM AVERAGE WIND...

1 - 25.6   JANUARY 17
2 - 23.2   JANUARY 29
3 - 22.1   APRIL 15

ALL TIME DAILY MAXIMUM AVERAGE WIND RECORD...33.0 ON JANUARY 13 2014

...BILLINGS 2017 TOP 3 DAILY MINIMUM AVERAGE WIND...

1 - 3.2   JANUARY 23
2 - 3.3   DECEMBER 26
3 - 3.4   NOVEMBER 15

ALL TIME DAILY MINIMUM AVERAGE WIND RECORD...0.0 ON NOVEMBER 27 1999

$$









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