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Climatological Report (Annual)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
891
CXUS55 KBYZ 011912
CLAMLS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1210 PM MST FRI JAN 01 2021
...................................
...THE MILES CITY MT CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2020
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 111 06/26/2012
LOW -38 12/24/1983
HIGHEST 102 07/22
LOWEST -14 01/14
AVG. MAXIMUM 60.1 58.5 1.6
AVG. MINIMUM 34.0 33.6 0.4
MEAN 47.1 46.1 1.0
DAYS MAX >= 90 39 3.2
DAYS MAX <= 32 43 -7.6
DAYS MIN <= 32 185 15.8
DAYS MIN <= 0 14 -10.4
PRECIPITATION (INCHES)
RECORD
MAXIMUM 20.28 1978
MINIMUM 5.27 1988
TOTALS 10.77 12.44 -1.67
DAYS >= .01 82 -1.6
DAYS >= .10 29 -3.0
DAYS >= .50 6 0.0
DAYS >= 1.00 0 -1.3
DEGREE DAYS
HEATING TOTAL 7175 7639 -464
COOLING TOTAL 731 731 0
FREEZE DATES
RECORD
EARLIEST 09/02/1974
LATEST 06/08/1950
EARLIEST 09/08
LATEST 05/11
................................................
WIND (MPH)
AVERAGE WIND SPEED 9.7
RESULTANT WIND SPEED/DIRECTION 2/290
HIGHEST WIND SPEED/DIRECTION 58/310 DATE 07/07
HIGHEST GUST SPEED/DIRECTION 74/300 DATE 07/07
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 27 MIXED PRECIP 0
HEAVY RAIN 16 RAIN 25
LIGHT RAIN 111 FREEZING RAIN 0
LT FREEZING RAIN 4 HAIL 0
HEAVY SNOW 4 SNOW 13
LIGHT SNOW 66 SLEET 0
FOG 97 FOG W/VIS <= 1/4 MILE 15
HAZE 40
- 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.
...2020 YEAR IN REVIEW FOR MILES CITY...
BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR 2020}. 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 AND TEMPERATURES USE A PERIOD OF RECORD
THAT STARTED IN FEBRUARY 1937 AT THE MILES CITY AIRPORT. ANNUAL RANKINGS
FOR PRECIPITATION 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 2020 VALUES NORMALS DEPARTURE RANKING
JANUARY 0.21 0.32 -0.11 26TH DRIEST OUT OF 83 YEARS
(RECORD DRIEST WAS 0.01 IN 2008)
(DRIEST SINCE 0.07 IN 2019)
FEBRUARY 0.38 0.23 +0.15 TIED FOR THE 28TH WETTEST OUT OF 84 YEARS
(RECORD WETTEST WAS 1.30 IN 1959)
(WETTEST SINCE 0.54 IN 2018)
MARCH 0.25 0.60 -0.35 TIED FOR THE 17TH DRIEST OUT OF 84 YEARS
(RECORD DRIEST WAS T IN 2008)
(DRIEST SINCE 0.23 IN 2019)
APRIL 0.68 1.37 -0.69 26TH DRIEST OUT OF 84 YEARS
(RECORD DRIEST WAS 0.02 IN 1983)
(DRIEST SINCE 0.45 IN 2015)
MAY 3.84 2.18 +1.66 14TH WETTEST OUT OF 84 YEARS
(RECORD WETTEST WAS 9.35 IN 2011)
(WETTEST SINCE 4.19 IN 2018)
JUNE 1.98 2.51 -0.53 27TH DRIEST OUT OF 84 YEARS
(RECORD DRIEST WAS 0.36 IN 2012)
(DRIEST SINCE 1.50 IN 2019)
JULY 0.92 1.64 -0.72 TIED FOR THE 34TH DRIEST OUT OF 84 YEARS
(RECORD DRIEST WAS T TIED IN 2017)
(DRIEST SINCE T IN 2017)
AUGUST 0.73 0.91 -0.18 TIED FOR THE 35TH DRIEST OUT OF 84 YEARS
(RECORD DRIEST WAS T IN 1967)
(DRIEST SINCE 0.15 IN 2017)
SEPTEMBER 0.63 1.08 -0.45 36TH DRIEST OUT OF 84 YEARS
(RECORD DRIEST WAS T IN 1960)
(DRIEST SINCE 0.18 IN 2015)
OCTOBER 0.85 0.92 -0.07 36TH WETTEST OUT OF 84 YEARS
(RECORD WETTEST WAS 6.31 IN 1971)
(WETTEST SINCE 0.97 IN 2016)
NOVEMBER 0.28 0.39 -0.11 36TH DRIEST OUT OF 84 YEARS
(RECORD DRIEST WAS T TIED IN 2016)
(DRIEST SINCE 0.17 IN 2019)
DECEMBER 0.02 0.29 -0.27 TIED FOR THE RECORD DRIEST OUT OF 83 YEARS
(OLD RECORD DRIEST WAS 0.02 TIED IN 2015)
YEAR 10.77 12.44 -1.67 TIED FOR THE 27TH DRIEST OUT OF 83 YEARS
(RECORD DRIEST WAS 5.27 IN 1988)
(DRIEST SINCE 6.33 IN 2017)
...MILES CITY 2020 TOP 3 DAILY MAXIMUM PRECIPITATION...
1 - 0.90 MAY 7
2 - 0.71 MAY 20
3 - 0.66 JUNE 30
ALL TIME DAILY PRECIPITATION RECORD...2.91 ON APRIL 24 2016
...MILES CITY 2020 BROKEN OR TIED DAILY PRECIPITATION RECORDS...
0.08 ON FEBRUARY 29 (TIED RECORD IN 1972)
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 2020 VALUES NORMALS DEPARTURE RANKING
JANUARY 22.9 19.5 +3.4 27TH WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 34.3 IN 2006)
(WARMEST SINCE 26.3 IN 2019)
FEBRUARY 27.6 24.4 +3.2 25TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 37.5 IN 2016)
(WARMEST SINCE 28.1 IN 2017)
MARCH 36.1 34.7 +1.4 TIED FOR THE 31ST WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 47.1 IN 2012)
(WARMEST SINCE 38.9 IN 2017)
APRIL 41.0 46.0 -5.0 TIED FOR THE 8TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 38.8 IN 1975)
(COLDEST SINCE 40.9 IN 2013)
MAY 54.2 55.9 -1.7 23RD COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 50.4 IN 2019)
(COLDEST SINCE 50.4 IN 2019)
JUNE 66.4 65.6 +0.8 TIED FOR THE 35TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 78.9 IN 1988)
(WARMEST SINCE 68.6 IN 2017)
JULY 73.1 73.9 -0.8 TIED FOR THE 23RD COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 64.2 IN 1993)
(COLDEST SINCE 72.3 IN 2019)
AUGUST 74.5 72.6 +1.9 25TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 80.4 IN 1983)
(WARMEST SINCE 74.7 IN 2013)
SEPTEMBER 61.3 60.1 +1.2 TIED FOR THE 35TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 69.4 IN 1998)
(WARMEST SINCE 61.9 IN 2016)
OCTOBER 41.8 46.5 -4.7 6TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 39.1 IN 2019)
(COLDEST SINCE 39.1 IN 2019)
NOVEMBER 36.1 32.0 +4.1 22ND WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 42.9 IN 1949)
(WARMEST SINCE 42.4 IN 2016)
DECEMBER 30.1 20.3 +9.8 TIED FOR THE 6TH WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 33.3 IN 1957)
(WARMEST SINCE 33.1 IN 1999)
YEAR 47.1 46.1 +1.0 TIED FOR THE 30TH WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 50.1 IN 2012)
(WARMEST SINCE 47.5 IN 2017)
...MILES CITY AVERAGE HIGH TEMPERATURES...
MONTH 2020 VALUES NORMALS DEPARTURE RANKING
JANUARY 32.1 30.0 +2.1 TIED FOR THE 32ND WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 45.8 IN 1992)
(WARMEST SINCE 35.8 IN 2019)
FEBRUARY 38.9 35.5 +3.4 21ST WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 51.4 IN 1992)
(WARMEST SINCE 49.4 IN 2016)
MARCH 47.9 46.5 +1.4 TIED FOR THE 28TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 62.3 IN 2012)
(WARMEST SINCE 49.1 IN 2017)
APRIL 54.5 58.8 -4.3 22ND COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 48.2 IN 1975)
(COLDEST SINCE 52.6 IN 2018)
MAY 66.7 68.6 -1.9 TIED FOR THE 26TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 60.2 IN 2011)
(COLDEST SINCE 61.9 IN 2019)
JUNE 79.7 78.6 +1.1 30TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 93.4 IN 1988)
(WARMEST SINCE 83.9 IN 2017)
JULY 88.4 88.3 +0.1 35TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 74.5 IN 1993)
(COLDEST SINCE 85.4 IN 2019)
AUGUST 90.5 87.2 +3.3 18TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 94.9 IN 1983)
(WARMEST SINCE 94.2 IN 2003)
SEPTEMBER 77.2 74.2 +3.0 29TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 84.3 IN 1998)
(WARMEST SINCE 81.3 IN 2015)
OCTOBER 54.3 59.2 -4.9 7TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 49.7 IN 1969)
(COLDEST SINCE 50.5 IN 2019)
NOVEMBER 48.9 43.2 +5.7 TIED FOR THE 17TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 55.6 TIED IN 1999)
(WARMEST SINCE 55.0 IN 2016)
DECEMBER 41.8 30.9 +10.9 7TH WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 45.0 IN 1957)
(WARMEST SINCE 43.8 IN 1999)
YEAR 60.1 58.5 +1.6 TIED FOR THE 16TH WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 63.3 IN 2012)
(WARMEST SINCE 62.2 IN 2016)
...MILES CITY 2020 TOP 3 WARMEST DAILY HIGH TEMPERATURES...
1 - 102 JULY 22
2 - 101 AUGUST 17
3 - 99 AUGUST 22
ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...111 ON JUNE 26 2012
...MILES CITY 2020 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...
58 ON JANUARY 4 (OLD RECORD 57 IN 2012)
73 ON MARCH 7 (OLD RECORD 66 IN 2007)
94 ON SEPTEMBER 24 (OLD RECORD 93 IN 2011)
75 ON NOVEMBER 3 (OLD RECORD 70 IN 1975)
74 ON NOVEMBER 5 (OLD RECORD 73 IN 2001)
67 ON DECEMBER 8 (OLD RECORD 59 IN 1957)
...MILES CITY 2020 TOP 3 COLDEST DAILY HIGH TEMPERATURES...
1 - -5 JANUARY 14
2 - 2 JANUARY 15
3 - 6 JANUARY 18
ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-25 ON DECEMBER 24 1983
...MILES CITY 2020 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...
17 ON APRIL 2 (OLD RECORD 20 IN 1954)
26 ON APRIL 12 (OLD RECORD 31 IN 1979)
25 ON APRIL 13 (OLD RECORD 30 IN 1986)
29 ON OCTOBER 18 (OLD RECORD 33 IN 1976)
35 ON OCTOBER 21 (OLD RECORD 37 IN 1949)
27 ON OCTOBER 23 (OLD RECORD 31 IN 1991)
21 ON OCTOBER 24 (OLD RECORD 29 IN 1957)
18 ON OCTOBER 25 (OLD RECORD 30 IN 2012)
26 ON OCTOBER 26 (OLD RECORD 29 IN 1969)
...MILES CITY AVERAGE LOW TEMPERATURES...
MONTH 2020 VALUES NORMALS DEPARTURE RANKING
JANUARY 13.6 8.9 +4.7 TIED FOR THE 23RD WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 24.3 IN 2006)
(WARMEST SINCE 16.8 IN 2019)
FEBRUARY 16.2 13.2 +3.0 29TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 26.9 IN 1998)
(WARMEST SINCE 19.9 IN 2017)
MARCH 24.2 22.8 +1.4 32ND WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 32.4 IN 1986)
(WARMEST SINCE 28.7 IN 2017)
APRIL 27.4 33.2 -5.8 2ND COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 27.0 IN 1951)
(COLDEST SINCE 27.0 IN 1951)
MAY 41.6 43.1 -1.5 19TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 38.7 IN 1950)
(COLDEST SINCE 38.8 IN 2019)
JUNE 53.0 52.6 +0.4 TIED FOR THE 37TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 47.3 IN 1951)
(COLDEST SINCE 50.6 IN 2019)
JULY 57.8 59.5 -1.7 TIED FOR THE 13TH COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 53.8 IN 1993)
(COLDEST SINCE 57.5 IN 1996)
AUGUST 58.5 58.0 +0.5 TIED FOR THE 37TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 65.8 IN 1983)
(WARMEST SINCE 59.3 IN 2014)
SEPTEMBER 45.3 46.1 -0.8 TIED FOR THE 23RD COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 37.3 IN 1965)
(COLDEST SINCE 44.1 IN 2003)
OCTOBER 29.3 33.8 -4.5 3RD COLDEST OUT OF 84 YEARS
(RECORD COLDEST WAS 27.6 IN 2019)
(COLDEST SINCE 27.6 IN 2019)
NOVEMBER 23.3 20.9 +2.4 34TH WARMEST OUT OF 84 YEARS
(RECORD WARMEST WAS 30.2 IN 1949)
(WARMEST SINCE 29.7 IN 2016)
DECEMBER 18.4 9.7 +8.7 8TH WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 22.4 IN 1999)
(WARMEST SINCE 22.4 IN 1999)
YEAR 34.1 33.6 +0.5 TIED FOR THE 39TH WARMEST OUT OF 83 YEARS
(RECORD WARMEST WAS 37.2 TIED IN 2016)
(WARMEST SINCE 35.3 IN 2017)
...MILES CITY 2020 TOP 3 WARMEST DAILY LOW TEMPERATURES...
1 - 70 JULY 23
2 - 68 AUGUST 12
3 - 68 JUNE 13
ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...79 ON JULY 24 2007
...MILES CITY 2020 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...
33 ON JANUARY 1 (OLD RECORD 32 IN 1964)
30 ON FEBRUARY 29 (OLD RECORD 29 IN 1992)
68 ON JUNE 13 (OLD RECORD 66 IN 1979)
33 ON DECEMBER 21 (OLD RECORD 32 IN 1950)
...MILES CITY 2020 TOP 3 COLDEST DAILY LOW TEMPERATURES...
1 - -14 JANUARY 14
2 - -13 FEBRUARY 13
3 - -13 JANUARY 15
ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-38 ON DECEMBER 24 1983
...MILES CITY 2020 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...
6 ON APRIL 2 (OLD RECORD 7 IN 1954)
2 ON APRIL 3 (OLD RECORD 6 IN 2018)
11 ON APRIL 12 (OLD RECORD 13 IN 1951)
12 ON APRIL 13 (OLD RECORD 15 IN 1986)
41 ON JUNE 19 (OLD RECORD 43 IN 1946)
49 ON JULY 9 (TIED RECORD IN 1944)
47 ON JULY 15 (OLD RECORD 49 IN 1976)
41 ON AUGUST 31 (OLD RECORD 42 IN 1944)
30 ON SEPTEMBER 8 (OLD RECORD 31 IN 1962)
30 ON SEPTEMBER 9 (OLD RECORD 36 IN 1962)
9 ON OCTOBER 22 (OLD RECORD 18 IN 1981)
7 ON OCTOBER 23 (OLD RECORD 17 IN 1957)
1 ON OCTOBER 25 (OLD RECORD 9 IN 1942)
-3 ON OCTOBER 26 (OLD RECORD 15 IN 2002)
13 ON OCTOBER 27 (OLD RECORD 16 IN 1991)
$$
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