Climatological Report (Annual)
Issued by NWS Billings, MT

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8
000
CXUS55 KBYZ 011543
CLAMLS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
832 AM MST FRI JAN 1 2016

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE YEAR OF 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             111   06/26/2012
 LOW              -38   12/24/1983
HIGHEST           105   08/14
LOWEST            -19   01/09
AVG. MAXIMUM     62.0              58.5     3.5
AVG. MINIMUM     35.7              33.6     2.1
MEAN             48.8              46.1     2.7
DAYS MAX >= 90     48                      12.2
DAYS MAX <= 32     48                      -2.6
DAYS MIN <= 32    154                     -15.2
DAYS MIN <= 0      22                      -2.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        20.28   1978
 MINIMUM         5.27   1988
TOTALS           8.50             12.44   -3.94
DAYS >= .01        74                      -9.6
DAYS >= .10        24                      -8.0
DAYS >= .50         3                      -3.0
DAYS >= 1.00        0                      -1.3

DEGREE_DAYS
HEATING TOTAL    6597              7639   -1042
COOLING TOTAL     837               731     106

FREEZE DATES
RECORD
 EARLIEST     09/02/1974
 LATEST       06/08/1950
EARLIEST                        09/29
LATEST                          05/09
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
RESULTANT WIND SPEED/DIRECTION   1/314
HIGHEST WIND SPEED/DIRECTION    58/300    DATE  07/27
HIGHEST GUST SPEED/DIRECTION    75/300    DATE  07/27


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      20
LIGHT RAIN               90     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       6
LIGHT SNOW               34     SLEET                      0
FOG                     104     FOG W/VIS <= 1/4 MILE     20
HAZE                     74

-  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.

...2015 YEAR IN REVIEW FOR MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR 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 FEBRUARY 1937 AT THE MILES CITY AIRPORT. ANNUAL RANKINGS
FOR PRECIPITATION...SNOWFALL...AND TEMPERATURES USE A PERIOD OF RECORD
THAT STARTED IN 1938.

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

...MILES CITY MONTHLY PRECIPITATION...

 MONTH   2015 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      0.22     0.32       -0.10      TIED FOR THE 24TH DRIEST OUT OF 78 YEARS
                                            (RECORD DRIEST WAS 0.01 IN 2008)
                                            (DRIEST SINCE 0.14 IN 2014)

FEBRUARY     0.13     0.23       -0.10      TIED FOR THE 19TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS T IN 2005)
                                            (DRIEST SINCE 0.11 IN 2014)

MARCH        0.10     0.60       -0.50      8TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS T IN 2008)
                                            (DRIEST SINCE 0.01 IN 2012)

APRIL        0.45     1.37       -0.92      TIED FOR THE 14TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS 0.02 IN 1983)
                                            (DRIEST SINCE 0.33 IN 2014)

MAY          1.82     2.18       -0.36      37TH WETTEST OUT OF 79 YEARS
                                            (RECORD WETTEST WAS 9.36 IN 2011)
                                            (WETTEST SINCE 3.50 IN 2014)

JUNE         2.68     2.51       +0.17      36TH WETTEST OUT OF 79 YEARS
                                            (RECORD WETTEST WAS 9.78 IN 1944)
                                            (WETTEST SINCE 4.29 IN 2014)

JULY         0.90     1.64       -0.74      30TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS T IN 1988)
                                            (DRIEST SINCE 0.09 IN 2014)

AUGUST       0.76     0.91       -0.15      36TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS T IN 1967)
                                            (DRIEST SINCE 0.55 IN 2011)

SEPTEMBER    0.18     1.08       -0.90      9TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS T IN 1960)
                                            (DRIEST SINCE 0.02 IN 2012)

OCTOBER      1.01     0.92       +0.09      30TH WETTEST OUT OF 79 YEARS
                                            (RECORD WETTEST WAS 6.31 IN 1971)
                                            (WETTEST SINCE 1.06 IN 2012)

NOVEMBER     0.23     0.39       -0.16      TIED FOR THE 25TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS T IN 2009)
                                            (DRIEST SINCE 0.10 IN 2013)

DECEMBER     0.02     0.29       -0.27      TIED FOR THE RECORD DRIEST OUT OF 78 YEARS
                                            (OLD RECORD DRIEST WAS 0.02 TIED IN 2001)

YEAR         8.50    12.44       -3.94      4TH DRIEST OUT OF 78 YEARS
                                            (RECORD DRIEST WAS 5.27 IN 1988)
                                            (DRIEST SINCE 6.16 IN 2012)

...MILES CITY 2015 TOP 3 DAILY MAXIMUM PRECIPITATION...

1 - 0.83   MAY 30
2 - 0.69   OCTOBER  3
3 - 0.69   JUNE 19

ALL TIME DAILY PRECIPITATION RECORD...2.71 ON JUNE 18 1964

...MILES CITY 2015 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.15 ON JANUARY  5 (OLD RECORD 0.12 IN 1976)
0.69 ON JUNE 19 (OLD RECORD 0.57 IN 1953)

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   2015 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      21.7      19.5      +2.2      TIED FOR THE 30TH WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 34.3 IN 2006)
                                           (WARMEST SINCE 22.6 IN 2014)

FEBRUARY     25.4      24.4      +1.0      TIED FOR THE 32ND WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 37.2 IN 1954)
                                           (WARMEST SINCE 32.2 IN 2013)

MARCH        43.3      34.7      +8.6      3RD WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 47.1 IN 2012)
                                           (WARMEST SINCE 47.1 IN 2012)

APRIL        47.4      46.0      +1.4      TIED FOR THE 29TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 53.3 TIED IN 1987)
                                           (WARMEST SINCE 50.9 IN 2012)

MAY          54.3      55.9      -1.6      TIED FOR THE 22ND COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 50.9 IN 1953)
                                           (COLDEST SINCE 51.6 IN 2011)

JUNE         69.4      65.6      +3.8      11TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 78.9 IN 1988)
                                           (WARMEST SINCE 71.0 IN 2012)

JULY         74.4      73.9      +0.5      TIED FOR THE 38TH COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 64.2 IN 1993)
                                           (COLDEST SINCE 73.9 IN 2014)

AUGUST       72.5      72.6      -0.1      37TH COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 65.8 IN 1977)
                                           (COLDEST SINCE 71.4 IN 2014)

SEPTEMBER    65.9      60.1      +5.8      10TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 69.4 IN 1998)
                                           (WARMEST SINCE 66.1 IN 2013)

OCTOBER      52.5      46.5      +6.0      8TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 55.7 IN 1963)
                                           (WARMEST SINCE 52.7 IN 1965)

NOVEMBER     33.3      32.0      +1.3      36TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 42.9 IN 1949)
                                           (WARMEST SINCE 35.4 IN 2012)

DECEMBER     26.4      20.3      +6.1      TIED FOR THE 22ND WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 33.3 IN 1957)
                                           (WARMEST SINCE 29.2 IN 2011)

YEAR         49.0      46.1      +2.9      TIED FOR THE 6TH WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 50.1 IN 2012)
                                           (WARMEST SINCE 50.1 IN 2012)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      32.4      30.0      +2.4      TIED FOR THE 28TH WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 45.8 IN 1992)
                                           (WARMEST SINCE 32.5 IN 2014)

FEBRUARY     36.8      35.5      +1.3      32ND WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 51.4 IN 1992)
                                           (WARMEST SINCE 42.0 IN 2013)

MARCH        58.5      46.5     +12.0      2ND WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 62.3 IN 2012)
                                           (WARMEST SINCE 62.3 IN 2012)

APRIL        61.6      58.8      +2.8      TIED FOR THE 20TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 68.5 IN 1987)
                                           (WARMEST SINCE 64.6 IN 2012)

MAY          66.1      68.6      -2.5      21ST COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 60.2 IN 2011)
                                           (COLDEST SINCE 60.2 IN 2011)

JUNE         82.5      78.6      +3.9      16TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 93.4 IN 1988)
                                           (WARMEST SINCE 86.3 IN 2012)

JULY         89.5      88.3      +1.2      36TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 96.7 IN 2007)
                                           (WARMEST SINCE 96.2 IN 2012)

AUGUST       87.8      87.2      +0.6      MEDIAN OUT OF 79 YEARS
                                           (WARMEST 94.9-1983/COLDEST 78.5-1977)

SEPTEMBER    81.3      74.2      +7.1      7TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 84.4 IN 1938)
                                           (WARMEST SINCE 83.5 IN 2009)

OCTOBER      65.2      59.2      +6.0      TIED FOR THE 16TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 69.4 TIED IN 1963)
                                           (WARMEST SINCE 65.3 IN 2014)

NOVEMBER     45.4      43.2      +2.2      25TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 55.6 TIED IN 1999)
                                           (WARMEST SINCE 46.3 IN 2012)

DECEMBER     36.6      30.9      +5.7      24TH WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 45.0 IN 1957)
                                           (WARMEST SINCE 40.3 IN 2011)

YEAR         62.1      58.5      +3.6      3RD WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 63.3 IN 2012)
                                           (WARMEST SINCE 63.3 IN 2012)

...MILES CITY 2015 TOP 3 WARMEST DAILY HIGH TEMPERATURES...

1 - 105   AUGUST 14
2 - 104   AUGUST 12
3 - 102   SEPTEMBER  2

ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...111 ON JUNE 26 2012

...MILES CITY 2015 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

58 ON JANUARY 26 (OLD RECORD 54 IN 2006)
61 ON JANUARY 27 (OLD RECORD 55 IN 1992)
60 ON FEBRUARY 13 (OLD RECORD 57 IN 1999)
75 ON MARCH 14 (OLD RECORD 72 IN 1999)
83 ON MARCH 28 (OLD RECORD 80 IN 1986)
84 ON APRIL 14 (TIED RECORD IN 1942)
105 ON AUGUST 14 (TIED RECORD IN 2003)
102 ON SEPTEMBER  2 (OLD RECORD 100 IN 1940)
97 ON SEPTEMBER 25 (TIED RECORD IN 2014)
95 ON SEPTEMBER 26 (OLD RECORD 93 IN 1956)
91 ON OCTOBER 10 (OLD RECORD 90 IN 1942)
57 ON DECEMBER  7 (OLD RECORD 56 IN 1939)

...MILES CITY 2015 TOP 3 COLDEST DAILY HIGH TEMPERATURES...

1 - 4   JANUARY  4
2 - 5   JANUARY  9
3 - 9   JANUARY 12

ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-25 ON DECEMBER 24 1983

...MILES CITY 2015 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

63 ON AUGUST 17 (OLD RECORD 70 IN 1954)
61 ON AUGUST 22 (OLD RECORD 65 IN 1966)

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      10.9      8.9      +2.0      29TH WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 24.3 IN 2006)
                                           (WARMEST SINCE 12.6 IN 2014)

FEBRUARY     14.0      13.2      +0.8      TIED FOR THE 30TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 26.9 IN 1998)
                                           (WARMEST SINCE 22.3 IN 2013)

MARCH        28.1      22.8      +5.3      TIED FOR THE 9TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 32.4 IN 1986)
                                           (WARMEST SINCE 31.8 IN 2012)

APRIL        33.1      33.2      -0.1      28TH COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 27.0 IN 1951)
                                           (COLDEST SINCE 31.3 IN 2014)

MAY          42.4      43.1      -0.7      22ND COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 38.7 IN 1950)
                                           (COLDEST SINCE 42.2 IN 2012)

JUNE         56.3      52.6      +3.7      9TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 64.4 IN 1988)
                                           (WARMEST SINCE 57.7 IN 1997)

JULY         59.3      59.5      -0.2      TIED FOR THE 30TH COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 53.8 IN 1993)
                                           (COLDEST SINCE 58.8 IN 2014)

AUGUST       57.2      58.0      -0.8      28TH COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 52.8 IN 1950)
                                           (COLDEST SINCE 56.6 IN 2009)

SEPTEMBER    50.4      46.1      +4.3      13TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 54.5 IN 1998)
                                           (WARMEST SINCE 52.8 IN 2013)

OCTOBER      39.7      33.8      +5.9      4TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 42.0 IN 1963)
                                           (WARMEST SINCE 42.0 IN 1963)

NOVEMBER     21.1      20.9      +0.2      34TH COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 5.6 IN 1985)
                                           (COLDEST SINCE 14.5 IN 2014)

DECEMBER     16.1      9.7      +6.4      22ND WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 22.4 IN 1999)
                                           (WARMEST SINCE 17.4 IN 2014)

YEAR         35.8      33.6      +2.2      TIED FOR THE 13TH WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 37.2 TIED IN 1998)
                                           (WARMEST SINCE 36.8 IN 2012)

...MILES CITY 2015 TOP 3 WARMEST DAILY LOW TEMPERATURES...

1 - 70   AUGUST 14
2 - 70   JUNE 30
3 - 69   JULY 25

ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...79 ON JULY 24 2007

...MILES CITY 2015 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

32 ON JANUARY 26 (OLD RECORD 31 IN 2013)
33 ON JANUARY 27 (OLD RECORD 32 IN 1984)
34 ON FEBRUARY  7 (TIED RECORD IN 1963)
40 ON MARCH 15 (OLD RECORD 37 IN 1999)
62 ON SEPTEMBER 25 (OLD RECORD 61 IN 2014)
62 ON SEPTEMBER 26 (OLD RECORD 60 IN 2014)
53 ON OCTOBER 11 (TIED RECORD IN 1942)
46 ON NOVEMBER  1 (OLD RECORD 43 IN 1987)
36 ON DECEMBER  8 (OLD RECORD 31 IN 1938)
37 ON DECEMBER  9 (TIED RECORD IN 1939)

...MILES CITY 2015 TOP 3 COLDEST DAILY LOW TEMPERATURES...

1 - -19   JANUARY  9
2 - -14   JANUARY 12
3 - -12   FEBRUARY  4

ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-38 ON DECEMBER 24 1983

...MILES CITY 2015 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

30 ON MAY 18 (OLD RECORD 34 IN 1943)
35 ON AUGUST 23 (OLD RECORD 40 IN 1966)

$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.