Climatological Report (Annual)
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000
CXUS55 KBYZ 011904
CLALVM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1158 AM MST WED JAN 1 2020

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE YEAR OF 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             105   08/05/1961
 LOW              -41   12/24/1983
HIGHEST            96   09/04
LOWEST            -32   03/04
AVG. MAXIMUM     54.9              58.1    -3.2
AVG. MINIMUM     30.7              31.5    -0.8
MEAN             42.8              44.8    -2.0
DAYS MAX >= 90     20                       1.6
DAYS MAX <= 32     52                      16.9
DAYS MIN <= 32    168                      -4.8
DAYS MIN <= 0      26                      11.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.87   1975
 MINIMUM         9.01   1954
TOTALS          18.07             14.81    3.26
DAYS >= .01       118                      14.7
DAYS >= .10        50                       8.0
DAYS >= .50         8                       1.8
DAYS >= 1.00        1                      -0.1

DEGREE_DAYS
HEATING TOTAL    8169              7603     566
COOLING TOTAL     226               229      -3

FREEZE DATES
RECORD
 EARLIEST     08/17/2002
 LATEST       06/29/1968
EARLIEST                        09/13
LATEST                          05/28
.................................................

WIND (MPH)
AVERAGE WIND SPEED              14.1
HIGHEST WIND SPEED/DIRECTION    61/210    DATE  12/31
HIGHEST GUST SPEED/DIRECTION    80/210    DATE  12/31


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             46     MIXED PRECIP               0
HEAVY RAIN               27     RAIN                      41
LIGHT RAIN              129     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW               11     SNOW                      25
LIGHT SNOW               95     SLEET                      0
FOG                     127     FOG W/VIS <= 1/4 MILE     17
HAZE                     49

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

&&

...2019 YEAR IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR 2019. ALL TEMPERATURES ARE IN DEGREES
FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. MONTHLY AND ANNUAL
RANKINGS FOR PRECIPITATION AND TEMPERATURES USE A PERIOD
OF RECORD THAT STARTED IN JULY 1948 AT OR NEAR THE LIVINGSTON AIRPORT.

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

... MONTHLY PRECIPITATION...

 MONTH   2019 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      0.21     0.49       -0.28      21ST DRIEST OUT OF 71 YEARS
                                            (RECORD DRIEST WAS 0.01 TIED IN 2009)
                                            (DRIEST SINCE 0.15 IN 2016)

FEBRUARY     0.26     0.50       -0.24      TIED FOR THE 24TH DRIEST OUT OF 71 YEARS
                                            (RECORD DRIEST WAS T IN 1977)
                                            (DRIEST SINCE 0.17 IN 2016)

MARCH        0.33     0.84       -0.51      7TH DRIEST OUT OF 71 YEARS
                                            (RECORD DRIEST WAS 0.13 IN 2002)
                                            (DRIEST SINCE 0.27 IN 2015)

APRIL        3.44     1.77       +1.67      RECORD WETTEST OUT OF 71 YEARS
                                            (OLD RECORD WETTEST WAS 3.22 IN 1984)

MAY          2.51     2.66       -0.15      35TH DRIEST OUT OF 71 YEARS
                                            (RECORD DRIEST WAS 0.30 IN 1958)
                                            (DRIEST SINCE 2.41 IN 2016)

JUNE         1.89     2.39       -0.50      26TH DRIEST OUT OF 71 YEARS
                                            (RECORD DRIEST WAS 0.54 IN 1974)
                                            (DRIEST SINCE 1.65 IN 2017)

JULY         2.81     1.47       +1.34      9TH WETTEST OUT OF 72 YEARS
                                            (RECORD WETTEST WAS 4.39 IN 1993)
                                            (WETTEST SINCE 2.99 IN 1994)

AUGUST       0.80     1.11       -0.31      31ST DRIEST OUT OF 72 YEARS
                                            (RECORD DRIEST WAS 0.06 IN 2001)
                                            (DRIEST SINCE 0.68 IN 2017)

SEPTEMBER    3.78     1.21       +2.57      RECORD WETTEST OUT OF 72 YEARS
                                            (OLD RECORD WETTEST WAS 3.67 IN 1949)

OCTOBER      1.32     1.26       +0.06      29TH WETTEST OUT OF 72 YEARS
                                            (RECORD WETTEST WAS 3.47 IN 1975)
                                            (WETTEST SINCE 1.38 IN 2018)

NOVEMBER     0.67     0.59       +0.08      32ND WETTEST OUT OF 72 YEARS
                                            (RECORD WETTEST WAS 2.40 IN 1973)
                                            (WETTEST SINCE 1.06 IN 2018)

DECEMBER     0.05     0.52       -0.47      3RD DRIEST OUT OF 72 YEARS
                                            (RECORD DRIEST WAS T IN 2009)
                                            (DRIEST SINCE T IN 2009)

YEAR        18.07    14.81       +3.26      10TH WETTEST OUT OF 72 YEARS
                                            (RECORD WETTEST WAS 22.87 IN 1975)
                                            (WETTEST SINCE 20.09 IN 1993)

... 2019 TOP 3 DAILY MAXIMUM PRECIPITATION...

1 - 1.08   SEPTEMBER 20
2 - 0.96   APRIL 20
3 - 0.80   APRIL  8

ALL TIME DAILY PRECIPITATION RECORD...2.90 ON JUNE 16 1992

... 2019 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.80 ON APRIL  8 (OLD RECORD 0.57 IN 1988)
0.54 ON APRIL  9 (OLD RECORD 0.38 IN 1965)
0.96 ON APRIL 20 (OLD RECORD 0.40 IN 1999)
0.31 ON APRIL 21 (OLD RECORD 0.30 IN 1971)
0.72 ON SEPTEMBER  6 (OLD RECORD 0.61 IN 1976)
1.08 ON SEPTEMBER 20 (OLD RECORD 0.59 IN 1970)

NOTE: SINCE THE LATE 1990S...LIVINGSTON BECAME AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.

... AVERAGE TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      30.5      27.0      +3.5      20TH WARMEST OUT OF 71 YEARS
                                           (RECORD WARMEST WAS 37.5 IN 1986)
                                           (WARMEST SINCE 31.3 IN 2018)

FEBRUARY     11.5      29.1     -17.6      RECORD COLDEST OUT OF 71 YEARS
                                           (OLD RECORD COLDEST WAS 13.2 IN 1989)

MARCH        23.4      35.6     -12.2      2ND COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 22.0 IN 1965)
                                           (COLDEST SINCE 22.0 IN 1965)

APRIL        43.5      42.1      +1.4      28TH WARMEST OUT OF 71 YEARS
                                           (RECORD WARMEST WAS 51.7 IN 1987)
                                           (WARMEST SINCE 43.8 IN 2017)

MAY          48.3      50.6      -2.3      TIED FOR THE 10TH COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 46.3 IN 1959)
                                           (COLDEST SINCE 48.3 IN 2011)

JUNE         59.5      58.7      +0.8      32ND WARMEST OUT OF 71 YEARS
                                           (RECORD WARMEST WAS 68.4 IN 1988)
                                           (WARMEST SINCE 60.3 IN 2017)

JULY         66.1      66.9      -0.8      17TH COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 58.1 IN 1993)
                                           (COLDEST SINCE 65.5 IN 2009)

AUGUST       66.8      65.6      +1.2      TIED FOR THE 33RD WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 71.6 IN 2000)
                                           (WARMEST SINCE 67.0 IN 2017)

SEPTEMBER    57.8      55.8      +2.0      27TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 64.2 IN 1998)
                                           (WARMEST SINCE 60.8 IN 2015)

OCTOBER      37.9      45.1      -7.2      TIED FOR THE 2ND COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 37.0 IN 1969)
                                           (COLDEST SINCE 37.9 IN 2009)

NOVEMBER     34.8      34.0      +0.8      TIED FOR THE 35TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 49.0 IN 1999)
                                           (WARMEST SINCE 34.8 IN 2018)

DECEMBER     33.7      26.1      +7.6      6TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 35.8 IN 1957)
                                           (WARMEST SINCE 34.9 IN 1999)

YEAR         43.0      44.8      -1.8      3RD COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 41.8 IN 1975)
                                           (COLDEST SINCE 41.8 IN 1975)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      40.6      36.9      +3.7      16TH WARMEST OUT OF 71 YEARS
                                           (RECORD WARMEST WAS 48.2 IN 1981)
                                           (WARMEST SINCE 43.7 IN 2015)

FEBRUARY     20.5      39.8     -19.3      RECORD COLDEST OUT OF 71 YEARS
                                           (OLD RECORD COLDEST WAS 22.1 IN 1989)

MARCH        35.2      47.5     -12.3      5TH COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 33.6 IN 1965)
                                           (COLDEST SINCE 34.7 IN 1975)

APRIL        54.1      55.0      -0.9      34TH COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 41.9 IN 1975)
                                           (COLDEST SINCE 53.2 IN 2018)

MAY          59.9      64.6      -4.7      11TH COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 57.7 IN 1975)
                                           (COLDEST SINCE 58.9 IN 2011)

JUNE         74.5      73.4      +1.1      27TH WARMEST OUT OF 71 YEARS
                                           (RECORD WARMEST WAS 85.6 IN 1988)
                                           (WARMEST SINCE 75.9 IN 2017)

JULY         82.8      84.6      -1.8      19TH COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 70.0 IN 1993)
                                           (COLDEST SINCE 82.1 IN 1997)

AUGUST       85.0      84.0      +1.0      TIED FOR THE 25TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 91.0 IN 2000)
                                           (WARMEST SINCE 86.2 IN 2017)

SEPTEMBER    70.2      72.1      -1.9      22ND COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 53.8 IN 1965)
                                           (COLDEST SINCE 69.5 IN 2016)

OCTOBER      49.2      58.5      -9.3      3RD COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 45.8 IN 1969)
                                           (COLDEST SINCE 47.7 IN 2009)

NOVEMBER     45.0      44.0      +1.0      30TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 60.5 IN 1999)
                                           (WARMEST SINCE 54.8 IN 2016)

DECEMBER     41.4      35.5      +5.9      10TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 44.9 IN 1980)
                                           (WARMEST SINCE 43.3 IN 1999)

YEAR         55.1      58.1      -3.0      8TH COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 52.4 IN 1975)
                                           (COLDEST SINCE 52.4 IN 1975)

... 2019 TOP 3 WARMEST DAILY HIGH TEMPERATURES...

1 - 96   SEPTEMBER  4
2 - 94   SEPTEMBER  5
3 - 94   AUGUST 19

ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...105 ON AUGUST  5 1961

... 2019 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

55 ON DECEMBER 23 (TIED RECORD IN 1964)

... 2019 TOP 3 COLDEST DAILY HIGH TEMPERATURES...

1 - -5   FEBRUARY 25
2 - -3   MARCH  3
3 - 0   FEBRUARY  4

ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-26 ON FEBRUARY  3 1989

... 2019 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

4 ON FEBRUARY  9 (OLD RECORD 7 IN 2014)
5 ON FEBRUARY 24 (TIED RECORD IN 2011)
-5 ON FEBRUARY 25 (OLD RECORD 1 IN 2011)
1 ON FEBRUARY 26 (OLD RECORD 2 IN 1955)
-3 ON MARCH  3 (OLD RECORD 4 IN 1978)
7 ON MARCH  4 (OLD RECORD 13 IN 2003)
39 ON MAY 19 (OLD RECORD 47 IN 2018)
39 ON SEPTEMBER 29 (TIED RECORD IN 1985)
23 ON OCTOBER 27 (OLD RECORD 27 IN 1969)
12 ON OCTOBER 29 (OLD RECORD 15 IN 1991)

... AVERAGE LOW TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      20.4      17.2      +3.2      29TH WARMEST OUT OF 71 YEARS
                                           (RECORD WARMEST WAS 28.8 IN 1986)
                                           (WARMEST SINCE 22.2 IN 2018)

FEBRUARY      2.5      18.3     -15.8      RECORD COLDEST OUT OF 71 YEARS
                                           (OLD RECORD COLDEST WAS 4.2 IN 1989)

MARCH        11.6      23.7     -12.1      2ND COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 10.3 IN 1965)
                                           (COLDEST SINCE 10.3 IN 1965)

APRIL        32.9      29.1      +3.8      TIED FOR THE 14TH WARMEST OUT OF 71 YEARS
                                           (RECORD WARMEST WAS 34.9 TIED IN 1981)
                                           (WARMEST SINCE 34.5 IN 2016)

MAY          36.6      36.6       0.0      TIED FOR THE 17TH COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 33.2 IN 2002)
                                           (COLDEST SINCE 35.2 IN 2017)

JUNE         44.5      44.0      +0.5      TIED FOR THE 22ND COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 40.9 IN 1951)
                                           (COLDEST SINCE 43.0 IN 2011)

JULY         49.4      49.2      +0.2      18TH COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 46.2 IN 1993)
                                           (COLDEST SINCE 48.4 IN 2011)

AUGUST       48.6      47.2      +1.4      31ST COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 43.4 IN 2002)
                                           (COLDEST SINCE 47.2 IN 2018)

SEPTEMBER    45.3      39.4      +5.9      6TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 47.3 IN 1963)
                                           (WARMEST SINCE 46.7 IN 2013)

OCTOBER      26.6      31.6      -5.0      2ND COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 25.5 IN 2002)
                                           (COLDEST SINCE 25.5 IN 2002)

NOVEMBER     24.6      23.9      +0.7      30TH COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 10.1 IN 1985)
                                           (COLDEST SINCE 22.7 IN 2015)

DECEMBER     25.9      16.7      +9.2      6TH WARMEST OUT OF 72 YEARS
                                           (RECORD WARMEST WAS 28.3 IN 1957)
                                           (WARMEST SINCE 26.4 IN 1999)

YEAR         30.9      31.5      -0.6      3RD COLDEST OUT OF 72 YEARS
                                           (RECORD COLDEST WAS 30.5 IN 1951)
                                           (COLDEST SINCE 30.8 IN 2002)

... 2019 TOP 3 WARMEST DAILY LOW TEMPERATURES...

1 - 59   SEPTEMBER 15
2 - 58   JULY 27
3 - 57   JULY 30

ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...73 ON AUGUST 10 2000

... 2019 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

41 ON APRIL  8 (TIED RECORD IN 1984)
53 ON APRIL 19 (OLD RECORD 50 IN 1999)
52 ON MAY 15 (OLD RECORD 48 IN 1993)
59 ON SEPTEMBER 15 (OLD RECORD 58 IN 1948)
43 ON DECEMBER  7 (OLD RECORD 42 IN 1970)
43 ON DECEMBER 21 (TIED RECORD IN 2005)

... 2019 TOP 3 COLDEST DAILY LOW TEMPERATURES...

1 - -32   MARCH  4
2 - -28   MARCH  3
3 - -16   MARCH  5

ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-41 ON DECEMBER 24 1983

... 2019 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

-28 ON MARCH  3 (OLD RECORD -17 IN 1976)
-32 ON MARCH  4 (OLD RECORD -11 IN 1989)
-16 ON MARCH  5 (TIED RECORD IN 1951)
10 ON APRIL 29 (OLD RECORD 12 IN 2005)
39 ON JULY 20 (OLD RECORD 41 IN 1962)
10 ON OCTOBER 27 (TIED RECORD IN 1971)
-12 ON OCTOBER 29 (OLD RECORD -2 IN 1971)

$$




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