Climatological Report (Annual)
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000
CXUS55 KBYZ 011610
CLALVM

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
903 AM MST SAT JAN 01 2022

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            105   08/05/1961
 LOW             -41   12/24/1983
HIGHEST          102   07/19
LOWEST           -28   02/13
AVG. MAXIMUM    60.5               58.3     2.2
AVG. MINIMUM    33.5               32.6     0.9
MEAN            47.0               45.4     1.6
DAYS MAX >= 90    45                       16.9
DAYS MAX <= 32    29                       -5.9
DAYS MIN <= 32   158                       -3.6
DAYS MIN <= 0     16                        2.8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       18.11   2019
 MINIMUM        8.62   2012
TOTALS         11.62              14.55   -2.93
DAYS >= .01       95                      -11.1
DAYS >= .10       36                       -6.3
DAYS >= .50        2                       -3.3
DAYS >= 1.00       0                       -0.8


DEGREE DAYS
HEATING TOTAL   6942               7375    -433
COOLING TOTAL    521                278     243

FREEZE DATES
RECORD
 EARLIEST     08/17/2002
 LATEST       06/29/1968
EARLIEST                        09/16
LATEST                          05/30
................................................

WIND (MPH)
AVERAGE WIND SPEED              15.1
HIGHEST WIND SPEED/DIRECTION    69/210    DATE  12/01
HIGHEST GUST SPEED/DIRECTION    87/190    DATE  12/19


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             28     MIXED PRECIP               0
HEAVY RAIN               16     RAIN                      22
LIGHT RAIN               98     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                9     SNOW                      24
LIGHT SNOW               89     SLEET                      0
FOG                     102     FOG W/VIS <= 1/4 MILE     17
HAZE                     60

-  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.

...2021 YEAR IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR 2021. ALL TEMPERATURES ARE IN DEGREES
FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1991 TO 2020. 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   2021 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      0.30     0.44       -0.14      26TH DRIEST OUT OF 73 YEARS
                                            (RECORD DRIEST WAS 0.01 TIED IN 2009)
                                            (DRIEST SINCE 0.26 IN 2020)

FEBRUARY     0.37     0.47       -0.10      36TH DRIEST OUT OF 73 YEARS
                                            (RECORD DRIEST WAS T IN 1977)
                                            (DRIEST SINCE 0.26 IN 2019)

MARCH        0.54     0.79       -0.25      20TH DRIEST OUT OF 73 YEARS
                                            (RECORD DRIEST WAS 0.13 IN 2002)
                                            (DRIEST SINCE 0.33 IN 2019)

APRIL        1.24     1.71       -0.47      TIED FOR THE 26TH DRIEST OUT OF 73 YEARS
                                            (RECORD DRIEST WAS 0.23 IN 1980)
                                            (DRIEST SINCE 0.64 IN 2020)

MAY          1.85     2.66       -0.81      TIED FOR THE 20TH DRIEST OUT OF 73 YEARS
                                            (RECORD DRIEST WAS 0.30 IN 1958)
                                            (DRIEST SINCE 1.53 IN 2020)

JUNE         0.81     2.42       -1.61      5TH DRIEST OUT OF 73 YEARS
                                            (RECORD DRIEST WAS 0.54 IN 1974)
                                            (DRIEST SINCE 0.73 IN 2016)

JULY         0.95     1.31       -0.36      33RD DRIEST OUT OF 74 YEARS
                                            (RECORD DRIEST WAS T IN 1991)
                                            (DRIEST SINCE 0.69 IN 2020)

AUGUST       2.91     1.07       +1.84      2ND WETTEST OUT OF 74 YEARS
                                            (RECORD WETTEST WAS 3.90 IN 1979)
                                            (WETTEST SINCE 3.90 IN 1979)

SEPTEMBER    0.29     1.20       -0.91      7TH DRIEST OUT OF 74 YEARS
                                            (RECORD DRIEST WAS 0.04 IN 1964)
                                            (DRIEST SINCE 0.10 IN 2012)

OCTOBER      1.26     1.36       -0.10      31ST WETTEST OUT OF 74 YEARS
                                            (RECORD WETTEST WAS 3.47 IN 1975)
                                            (WETTEST SINCE 2.12 IN 2020)

NOVEMBER     0.31     0.62       -0.31      19TH DRIEST OUT OF 74 YEARS
                                            (RECORD DRIEST WAS 0.06 IN 1954)
                                            (DRIEST SINCE 0.25 IN 2016)

DECEMBER     0.79     0.50       +0.29      10TH WETTEST OUT OF 74 YEARS
                                            (RECORD WETTEST WAS 2.01 IN 1955)
                                            (WETTEST SINCE 0.97 IN 2015)

YEAR        11.62    14.55       -2.93      12TH DRIEST OUT OF 74 YEARS
                                            (RECORD DRIEST WAS 5.39 IN 1948)
                                            (DRIEST SINCE 11.09 IN 2020)

... 2021 TOP 3 DAILY MAXIMUM PRECIPITATION...

1 - 0.98   AUGUST 18
2 - 0.52   AUGUST 20
3 - 0.49   AUGUST  2

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

... 2021 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.12 ON JANUARY 30 (OLD RECORD 0.11 IN 2006)
0.49 ON AUGUST  2 (OLD RECORD 0.32 IN 1948)
0.98 ON AUGUST 18 (OLD RECORD 0.47 IN 1995)
0.46 ON OCTOBER 25 (OLD RECORD 0.29 IN 1989)
0.16 ON DECEMBER 20 (OLD RECORD 0.14 IN 1996)

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

... AVERAGE TEMPERATURES...

 MONTH   2021 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      31.2      28.1      +3.1      TIED FOR THE 19TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 37.5 IN 1986)
                                           (WARMEST SINCE 32.1 IN 2020)

FEBRUARY     17.9      28.9     -11.0      3RD COLDEST OUT OF 73 YEARS
                                           (RECORD COLDEST WAS 11.5 IN 2019)
                                           (COLDEST SINCE 11.5 IN 2019)

MARCH        38.9      36.1      +2.8      19TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 45.2 IN 2015)
                                           (WARMEST SINCE 41.6 IN 2017)

APRIL        42.4      42.2      +0.2      TIED FOR THE 35TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 51.7 IN 1987)
                                           (WARMEST SINCE 43.5 IN 2019)

MAY          49.5      51.0      -1.5      16TH COLDEST OUT OF 73 YEARS
                                           (RECORD COLDEST WAS 46.3 IN 1959)
                                           (COLDEST SINCE 48.3 IN 2019)

JUNE         65.8      59.3      +6.5      4TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 68.4 IN 1988)
                                           (WARMEST SINCE 66.3 IN 2015)

JULY         73.2      67.9      +5.3      2ND WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 74.0 IN 2007)
                                           (WARMEST SINCE 74.0 IN 2007)

AUGUST       66.9      66.5      +0.4      34TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 71.6 IN 2000)
                                           (WARMEST SINCE 69.1 IN 2020)

SEPTEMBER    59.9      57.3      +2.6      TIED FOR THE 16TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 64.2 IN 1998)
                                           (WARMEST SINCE 60.8 IN 2015)

OCTOBER      48.5      45.5      +3.0      TIED FOR THE 24TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 52.6 IN 1988)
                                           (WARMEST SINCE 48.7 IN 2016)

NOVEMBER     42.2      35.1      +7.1      5TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 49.0 IN 1999)
                                           (WARMEST SINCE 43.2 IN 2016)

DECEMBER     27.6      27.6       0.0      TIED FOR THE 31ST COLDEST OUT OF 74 YEARS
                                           (RECORD COLDEST WAS 12.2 IN 1983)
                                           (COLDEST SINCE 25.7 IN 2017)

YEAR         47.2      45.6      +1.6      TIED FOR THE 11TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 49.6 IN 1999)
                                           (WARMEST SINCE 47.9 IN 2016)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2021 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      40.0      37.4      +2.6      21ST WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 48.2 IN 1981)
                                           (WARMEST SINCE 40.9 IN 2020)

FEBRUARY     25.4      38.9     -13.5      3RD COLDEST OUT OF 73 YEARS
                                           (RECORD COLDEST WAS 20.5 IN 2019)
                                           (COLDEST SINCE 20.5 IN 2019)

MARCH        51.9      47.8      +4.1      14TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 58.2 IN 2015)
                                           (WARMEST SINCE 53.2 IN 2017)

APRIL        56.0      54.4      +1.6      24TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 69.0 IN 1987)
                                           (WARMEST SINCE 60.2 IN 2016)

MAY          63.6      64.4      -0.8      33RD COLDEST OUT OF 73 YEARS
                                           (RECORD COLDEST WAS 57.7 IN 1975)
                                           (COLDEST SINCE 59.9 IN 2019)

JUNE         84.9      73.8     +11.1      2ND WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 85.6 IN 1988)
                                           (WARMEST SINCE 85.6 IN 1988)

JULY         92.7      85.7      +7.0      3RD WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 93.2 IN 2007)
                                           (WARMEST SINCE 92.8 IN 2012)

AUGUST       82.8      84.8      -2.0      TIED FOR THE 32ND COLDEST OUT OF 74 YEARS
                                           (RECORD COLDEST WAS 74.7 IN 1993)
                                           (COLDEST SINCE 82.7 IN 2018)

SEPTEMBER    78.8      73.5      +5.3      7TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 81.6 IN 1998)
                                           (WARMEST SINCE 80.7 IN 2012)

OCTOBER      59.8      58.2      +1.6      TIED FOR THE 30TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 68.0 IN 1999)
                                           (WARMEST SINCE 63.9 IN 2015)

NOVEMBER     52.4      44.9      +7.5      6TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 60.5 IN 1999)
                                           (WARMEST SINCE 54.8 IN 2016)

DECEMBER     37.6      36.4      +1.2      33RD WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 44.9 IN 1980)
                                           (WARMEST SINCE 43.2 IN 2020)

YEAR         60.7      58.5      +2.2      11TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 63.2 IN 1999)
                                           (WARMEST SINCE 60.9 IN 2016)

... 2021 TOP 3 WARMEST DAILY HIGH TEMPERATURES...

1 - 102   JULY 19
2 - 101   JULY 18
3 - 99   JULY  3

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

... 2021 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

72 ON APRIL  2 (TIED RECORD IN 1990)
75 ON APRIL  4 (OLD RECORD 73 IN 2000)
85 ON APRIL 30 (OLD RECORD 80 IN 1987)
93 ON JUNE  3 (OLD RECORD 86 IN 1988)
99 ON JUNE 14 (OLD RECORD 92 IN 1987)
98 ON JUNE 15 (OLD RECORD 88 IN 1987)
97 ON JULY  1 (OLD RECORD 96 IN 1990)
102 ON JULY 19 (TIED RECORD IN 2007)
97 ON JULY 25 (TIED RECORD IN 2016)
98 ON JULY 26 (TIED RECORD IN 1988)
88 ON SEPTEMBER 27 (TIED RECORD IN 2011)
84 ON OCTOBER  5 (TIED RECORD IN 1993)
65 ON NOVEMBER 28 (OLD RECORD 57 IN 2012)
63 ON DECEMBER  1 (OLD RECORD 62 IN 1995)
64 ON DECEMBER  2 (OLD RECORD 58 IN 2012)

... 2021 TOP 3 COLDEST DAILY HIGH TEMPERATURES...

1 - -10   FEBRUARY 11
2 - -6   FEBRUARY 13
3 - -5   FEBRUARY 14

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

... 2021 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

-3 ON FEBRUARY  9 (OLD RECORD 4 IN 2019)
-10 ON FEBRUARY 11 (OLD RECORD 12 IN 1986)
-6 ON FEBRUARY 13 (OLD RECORD 4 IN 1995)
-5 ON FEBRUARY 14 (OLD RECORD 6 IN 1980)
33 ON MAY 21 (OLD RECORD 41 IN 1975)
38 ON MAY 22 (OLD RECORD 39 IN 2002)
53 ON AUGUST 18 (OLD RECORD 61 IN 2004)
59 ON AUGUST 19 (OLD RECORD 62 IN 1968)
2 ON DECEMBER 27 (OLD RECORD 17 IN 1983)

... AVERAGE LOW TEMPERATURES...

 MONTH   2021 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      22.4      18.8      +3.6      TIED FOR THE 15TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 28.8 IN 1986)
                                           (WARMEST SINCE 23.3 IN 2020)

FEBRUARY     10.4      18.9      -8.5      TIED FOR THE 7TH COLDEST OUT OF 73 YEARS
                                           (RECORD COLDEST WAS 2.5 IN 2019)
                                           (COLDEST SINCE 2.5 IN 2019)

MARCH        25.8      24.3      +1.5      26TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 32.7 IN 1986)
                                           (WARMEST SINCE 29.9 IN 2017)

APRIL        28.7      30.0      -1.3      20TH COLDEST OUT OF 73 YEARS
                                           (RECORD COLDEST WAS 25.4 IN 1975)
                                           (COLDEST SINCE 27.4 IN 2020)

MAY          35.3      37.6      -2.3      10TH COLDEST OUT OF 73 YEARS
                                           (RECORD COLDEST WAS 33.2 IN 2002)
                                           (COLDEST SINCE 35.2 IN 2017)

JUNE         46.7      44.8      +1.9      TIED FOR THE 21ST WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 51.1 IN 1988)
                                           (WARMEST SINCE 49.9 IN 2015)

JULY         53.7      50.2      +3.5      6TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 55.6 IN 1975)
                                           (WARMEST SINCE 54.7 IN 2007)

AUGUST       50.9      48.1      +2.8      19TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 54.3 IN 1983)
                                           (WARMEST SINCE 52.6 IN 2013)

SEPTEMBER    40.9      41.2      -0.3      TIED FOR THE 32ND COLDEST OUT OF 74 YEARS
                                           (RECORD COLDEST WAS 34.4 IN 1965)
                                           (COLDEST SINCE 40.5 IN 2020)

OCTOBER      37.1      32.7      +4.4      12TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 38.8 IN 1953)
                                           (WARMEST SINCE 37.7 IN 2016)

NOVEMBER     31.9      25.3      +6.6      6TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 37.5 IN 1999)
                                           (WARMEST SINCE 32.6 IN 2008)

DECEMBER     17.6      18.8      -1.2      25TH COLDEST OUT OF 74 YEARS
                                           (RECORD COLDEST WAS 2.9 IN 1983)
                                           (COLDEST SINCE 15.7 IN 2017)

YEAR         33.6      32.7      +0.9      TIED FOR THE 25TH WARMEST OUT OF 74 YEARS
                                           (RECORD WARMEST WAS 35.9 IN 1999)
                                           (WARMEST SINCE 34.8 IN 2016)

... 2021 TOP 3 WARMEST DAILY LOW TEMPERATURES...

1 - 71   JULY 28
2 - 64   JULY 20
3 - 63   JULY 16

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

... 2021 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

44 ON FEBRUARY  2 (TIED RECORD IN 1962)
57 ON JUNE  4 (OLD RECORD 55 IN 1957)
54 ON JUNE 16 (TIED RECORD IN 1986)
62 ON JULY  4 (TIED RECORD IN 1988)
71 ON JULY 28 (OLD RECORD 66 IN 1988)
61 ON SEPTEMBER 18 (OLD RECORD 60 IN 1948)
55 ON SEPTEMBER 22 (TIED RECORD IN 1948)
54 ON NOVEMBER 15 (OLD RECORD 51 IN 1953)
48 ON DECEMBER  1 (TIED RECORD IN 1998)
47 ON DECEMBER  2 (OLD RECORD 46 IN 1975)

... 2021 TOP 3 COLDEST DAILY LOW TEMPERATURES...

1 - -28   FEBRUARY 13
2 - -24   FEBRUARY 14
3 - -18   DECEMBER 31

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

... 2021 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

-28 ON FEBRUARY 13 (OLD RECORD -23 IN 1949)
-24 ON FEBRUARY 14 (OLD RECORD -11 IN 1990)
29 ON MAY 29 (TIED RECORD IN 1954)
27 ON MAY 30 (OLD RECORD 32 IN 1973)
40 ON JULY 10 (TIED RECORD IN 2011)
-11 ON DECEMBER 27 (OLD RECORD -4 IN 1988)

$$



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