Climatological Report (Annual)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
892 CXUS55 KBYZ 011912 CLABIL CLIMATE REPORT NATIONAL WEATHER SERVICE BILLINGS MT 1210 PM MST FRI JAN 01 2021 ................................... ...THE BILLINGS MT CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1934 TO 2020 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 108 07/14/2002 LOW -38 02/15/1936 HIGHEST 102 09/05 LOWEST -11 01/15 AVG. MAXIMUM 60.6 59.5 1.1 AVG. MINIMUM 37.5 36.8 0.7 MEAN 49.1 48.2 0.9 DAYS MAX >= 90 39 11.0 DAYS MAX <= 32 35 -2.0 DAYS MIN <= 32 152 14.0 DAYS MIN <= 0 5 -8.5 PRECIPITATION (INCHES) RECORD MAXIMUM 26.81 1978 MINIMUM 6.86 2012 TOTALS 13.24 13.66 -0.42 DAYS >= .01 90 -6.5 DAYS >= .10 34 -4.1 DAYS >= .50 8 2.8 DAYS >= 1.00 2 1.1 SNOWFALL (INCHES) RECORDS TOTAL 127.9 1955 TOTALS 60.4 55.0 5.4 DAYS >= TRACE 72 39.0 33.0 DAYS >= 1.0 20 17.0 3.0 GREATEST SNOW DEPTH 9 10/19 DEGREE DAYS HEATING TOTAL 6473 6781 -308 COOLING TOTAL 761 637 124 FREEZE DATES RECORD EARLIEST 09/04/1962 LATEST 06/13/1969 EARLIEST 10/16 LATEST 04/17 ................................................ WIND (MPH) AVERAGE WIND SPEED 11.2 RESULTANT WIND SPEED/DIRECTION 5/260 HIGHEST WIND SPEED/DIRECTION 55/270 DATE 08/03 HIGHEST GUST SPEED/DIRECTION 67/270 DATE 08/03 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 33 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 16 LIGHT RAIN 88 FREEZING RAIN 1 LT FREEZING RAIN 1 HAIL 7 HEAVY SNOW 5 SNOW 17 LIGHT SNOW 70 SLEET 2 FOG 81 FOG W/VIS <= 1/4 MILE 21 HAZE 24 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...2020 YEAR IN REVIEW FOR BILLINGS... BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND STATISTICS FOR BILLINGS 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...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 2020 VALUES NORMALS DEPARTURE RANKING JANUARY 0.22 0.48 -0.26 14TH DRIEST OUT OF 86 YEARS (RECORD DRIEST WAS 0.04 IN 1941) (DRIEST SINCE 0.05 IN 2006) FEBRUARY 0.62 0.48 +0.14 TIED FOR THE 31ST WETTEST OUT OF 86 YEARS (RECORD WETTEST WAS 2.06 IN 2014) (WETTEST SINCE 2.00 IN 2019) MARCH 1.00 1.06 -0.06 38TH WETTEST OUT OF 86 YEARS (RECORD WETTEST WAS 2.70 IN 1954) (WETTEST SINCE 2.22 IN 2017) APRIL 0.40 1.66 -1.26 7TH DRIEST OUT OF 86 YEARS (RECORD DRIEST WAS 0.06 IN 1962) (DRIEST SINCE 0.20 IN 2008) MAY 1.21 2.18 -0.97 20TH DRIEST OUT OF 86 YEARS (RECORD DRIEST WAS 0.22 IN 2001) (DRIEST SINCE 0.64 IN 2009) JUNE 4.35 2.12 +2.23 12TH WETTEST OUT OF 86 YEARS (RECORD WETTEST WAS 7.64 IN 1944) (WETTEST SINCE 5.10 IN 2010) JULY 0.49 1.32 -0.83 TIED FOR THE 29TH DRIEST OUT OF 86 YEARS (RECORD DRIEST WAS T IN 2003) (DRIEST SINCE 0.13 IN 2017) AUGUST 1.45 0.75 +0.70 TIED FOR THE 18TH WETTEST OUT OF 87 YEARS (RECORD WETTEST WAS 3.50 IN 1965) (WETTEST SINCE 2.05 IN 2019) SEPTEMBER 0.54 1.30 -0.76 17TH DRIEST OUT OF 87 YEARS (RECORD DRIEST WAS T IN 2012) (DRIEST SINCE 0.27 IN 2015) OCTOBER 2.16 1.18 +0.98 14TH WETTEST OUT OF 87 YEARS (RECORD WETTEST WAS 3.80 IN 1971) (WETTEST SINCE 3.51 IN 2016) NOVEMBER 0.37 0.63 -0.26 TIED FOR THE 23RD DRIEST OUT OF 87 YEARS (RECORD DRIEST WAS T TIED IN 1954) (DRIEST SINCE 0.34 IN 2013) DECEMBER 0.43 0.50 -0.07 40TH DRIEST OUT OF 87 YEARS (RECORD DRIEST WAS 0.05 IN 1957) (DRIEST SINCE 0.14 IN 2019) YEAR 13.24 13.66 -0.42 35TH DRIEST OUT OF 86 YEARS (RECORD DRIEST WAS 7.13 IN 2012) (DRIEST SINCE 12.96 IN 2015) ...BILLINGS 2020 TOP 3 DAILY MAXIMUM PRECIPITATION... 1 - 1.10 JUNE 29 2 - 1.08 AUGUST 3 3 - 0.72 JUNE 17 ALL TIME DAILY PRECIPITATION RECORD...3.12 ON MAY 24 2011 ...BILLINGS 2020 BROKEN OR TIED DAILY PRECIPITATION RECORDS... 1.10 ON JUNE 29 (OLD RECORD 0.50 IN 1968) 1.08 ON AUGUST 3 (OLD RECORD 0.62 IN 1944) ...BILLINGS MONTHLY SNOWFALL... MONTH 2020 VALUES NORMALS DEPARTURE RANKING JANUARY 4.0 8.4 -4.4 TIED FOR THE 20TH LEAST SNOWIEST OUT OF 86 YEARS (RECORD LEAST SNOWIEST WAS 0.1 TIED IN 2006) (LEAST SNOWIEST SINCE 3.3 IN 2011) FEBRUARY 10.0 6.2 +3.8 TIED FOR THE 29TH SNOWIEST OUT OF 86 YEARS (RECORD SNOWIEST WAS 37.0 IN 2014) (SNOWIEST SINCE 29.4 IN 2019) MARCH 10.7 10.2 +0.5 TIED FOR THE 32ND SNOWIEST OUT OF 86 YEARS (RECORD SNOWIEST WAS 27.6 IN 1935) (SNOWIEST SINCE 16.9 IN 2009) APRIL 6.7 8.3 -1.6 38TH SNOWIEST OUT OF 86 YEARS (RECORD SNOWIEST WAS 42.3 IN 1955) (SNOWIEST SINCE 19.4 IN 2018) MAY T 2.0 -2.0 TIED FOR THE 21ST LEAST SNOWIEST OUT OF 86 YEARS (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 2018) (LEAST SNOWIEST SINCE 0.0 IN 2018) 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 87 YEARS (OLD RECORD LEAST SNOWIEST WAS 0.0 TIED IN 2017) OCTOBER 19.9 4.1 +15.8 2ND SNOWIEST OUT OF 87 YEARS (RECORD SNOWIEST WAS 23.1 IN 1949) (SNOWIEST SINCE 23.1 IN 1949) NOVEMBER 3.8 6.5 -2.7 28TH LEAST SNOWIEST OUT OF 87 YEARS (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 1999) (LEAST SNOWIEST SINCE 2.3 IN 2018) DECEMBER 5.3 8.2 -2.9 33RD LEAST SNOWIEST OUT OF 87 YEARS (RECORD LEAST SNOWIEST WAS T TIED IN 1943) (LEAST SNOWIEST SINCE 1.4 IN 2019) YEAR 60.4 55.0 +5.4 35TH SNOWIEST OUT OF 86 YEARS (RECORD SNOWIEST WAS 126.9 IN 1955) (SNOWIEST SINCE 69.0 IN 2019) ...BILLINGS 2020 TOP 3 DAILY MAXIMUM SNOWFALL... 1 - 5.2 OCTOBER 17 2 - 4.6 OCTOBER 24 3 - 4.4 OCTOBER 18 ALL TIME DAILY SNOWFALL RECORD...23.7 ON APRIL 4 1955 ...BILLINGS 2020 BROKEN OR TIED DAILY SNOWFALL RECORDS... 2.5 ON FEBRUARY 2 (TIED RECORD IN 1971) 2.6 ON MARCH 15 (OLD RECORD 2.4 IN 1935) 5.2 ON OCTOBER 17 (OLD RECORD 2.8 IN 1949) 4.6 ON OCTOBER 24 (OLD RECORD 3.4 IN 1954) ...BILLINGS AVERAGE TEMPERATURES... MONTH 2020 VALUES NORMALS DEPARTURE RANKING JANUARY 29.9 27.1 +2.8 TIED FOR THE 22ND WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 38.0 IN 2006) (WARMEST SINCE 29.9 IN 2016) FEBRUARY 30.2 30.4 -0.2 35TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 41.0 TIED IN 2016) (WARMEST SINCE 41.0 IN 2016) MARCH 36.6 37.7 -1.1 39TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 47.0 IN 2012) (WARMEST SINCE 41.6 IN 2017) APRIL 43.1 46.2 -3.1 24TH COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 37.1 IN 1975) (COLDEST SINCE 42.4 IN 2018) MAY 55.7 55.6 +0.1 TIED FOR THE 39TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 64.7 IN 1936) (WARMEST SINCE 59.7 IN 2018) JUNE 65.4 64.7 +0.7 TIED FOR THE 29TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 75.9 IN 1988) (WARMEST SINCE 67.0 IN 2017) JULY 73.0 72.8 +0.2 40TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 81.0 IN 1936) (WARMEST SINCE 78.3 IN 2017) AUGUST 74.1 71.5 +2.6 11TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 77.5 IN 1983) (WARMEST SINCE 74.9 IN 2013) SEPTEMBER 62.9 60.3 +2.6 22ND WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 67.2 IN 1938) (WARMEST SINCE 65.4 IN 2015) OCTOBER 44.0 48.2 -4.2 10TH COLDEST OUT OF 87 YEARS (RECORD COLDEST WAS 40.0 IN 1969) (COLDEST SINCE 40.1 IN 2019) NOVEMBER 39.3 35.8 +3.5 TIED FOR THE 21ST WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 47.5 IN 1949) (WARMEST SINCE 44.1 IN 2016) DECEMBER 34.6 26.5 +8.1 5TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 37.3 IN 1957) (WARMEST SINCE 35.3 IN 1999) YEAR 49.2 48.2 +1.0 TIED FOR THE 15TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 51.1 IN 2012) (WARMEST SINCE 50.7 IN 2016) ...BILLINGS AVERAGE HIGH TEMPERATURES... MONTH 2020 VALUES NORMALS DEPARTURE RANKING JANUARY 39.3 36.4 +2.9 19TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 47.3 IN 2006) (WARMEST SINCE 40.7 IN 2012) FEBRUARY 39.2 40.2 -1.0 41ST WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 52.1 IN 2016) (WARMEST SINCE 52.1 IN 2016) MARCH 47.1 48.6 -1.5 TIED FOR THE 36TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 59.8 IN 2012) (WARMEST SINCE 51.7 IN 2017) APRIL 55.1 57.6 -2.5 30TH COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 45.7 IN 1975) (COLDEST SINCE 54.3 IN 2018) MAY 66.9 67.5 -0.6 43RD COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 58.4 IN 2011) (COLDEST SINCE 61.1 IN 2019) JUNE 77.7 77.2 +0.5 TIED FOR THE 35TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 92.0 IN 1988) (WARMEST SINCE 77.9 IN 2019) JULY 87.2 86.8 +0.4 TIED FOR THE 42ND COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 73.5 IN 1993) (COLDEST SINCE 85.1 IN 2019) AUGUST 88.8 85.7 +3.1 TIED FOR THE 13TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 92.2 IN 1971) (WARMEST SINCE 89.3 IN 2012) SEPTEMBER 77.4 73.1 +4.3 TIED FOR THE 20TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 82.4 IN 1938) (WARMEST SINCE 79.8 IN 2015) OCTOBER 55.0 59.4 -4.4 14TH COLDEST OUT OF 87 YEARS (RECORD COLDEST WAS 48.3 IN 1969) (COLDEST SINCE 50.7 IN 2019) NOVEMBER 49.6 45.3 +4.3 17TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 58.8 IN 1939) (WARMEST SINCE 54.1 IN 2016) DECEMBER 44.0 35.2 +8.8 6TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 48.9 IN 1939) (WARMEST SINCE 44.4 IN 1999) YEAR 60.7 59.5 +1.2 TIED FOR THE 14TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 64.3 IN 1939) (WARMEST SINCE 61.9 IN 2016) ...BILLINGS 2020 TOP 3 WARMEST DAILY HIGH TEMPERATURES... 1 - 102 SEPTEMBER 5 2 - 100 AUGUST 17 3 - 99 JULY 22 ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...108 ON JULY 14 2002 ...BILLINGS 2020 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS... 56 ON JANUARY 4 (TIED RECORD IN 2012) 68 ON FEBRUARY 1 (OLD RECORD 62 IN 1935) 92 ON MAY 31 (TIED RECORD IN 1936) 100 ON AUGUST 17 (OLD RECORD 99 IN 1959) 102 ON SEPTEMBER 5 (OLD RECORD 95 IN 1945) 92 ON SEPTEMBER 24 (OLD RECORD 90 IN 1938) 88 ON OCTOBER 6 (OLD RECORD 86 IN 1980) 72 ON NOVEMBER 2 (OLD RECORD 71 IN 2010) 74 ON NOVEMBER 5 (TIED RECORD IN 1980) ...BILLINGS 2020 TOP 3 COLDEST DAILY HIGH TEMPERATURES... 1 - 0 JANUARY 14 2 - 8 JANUARY 15 3 - 12 JANUARY 13 ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-21 ON JANUARY 26 1972 ...BILLINGS 2020 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS... 20 ON APRIL 2 (TIED RECORD IN 2002) 27 ON APRIL 12 (OLD RECORD 34 IN 1991) 25 ON OCTOBER 18 (OLD RECORD 33 IN 1949) 24 ON OCTOBER 23 (OLD RECORD 25 IN 2002) 24 ON OCTOBER 24 (OLD RECORD 30 IN 1957) 16 ON OCTOBER 25 (OLD RECORD 27 IN 2012) 22 ON OCTOBER 26 (OLD RECORD 27 IN 1969) ...BILLINGS AVERAGE LOW TEMPERATURES... MONTH 2020 VALUES NORMALS DEPARTURE RANKING JANUARY 20.4 17.8 +2.6 25TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 28.6 IN 2006) (WARMEST SINCE 22.5 IN 2016) FEBRUARY 21.2 20.6 +0.6 34TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 30.2 IN 1991) (WARMEST SINCE 29.9 IN 2016) MARCH 26.1 26.9 -0.8 38TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 34.5 IN 1986) (WARMEST SINCE 31.5 IN 2017) APRIL 31.1 34.7 -3.6 16TH COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 28.5 TIED IN 2002) (COLDEST SINCE 30.5 IN 2018) MAY 44.5 43.6 +0.9 TIED FOR THE 31ST WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 49.7 IN 1958) (WARMEST SINCE 48.6 IN 2018) JUNE 53.1 52.1 +1.0 TIED FOR THE 21ST WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 59.8 IN 1988) (WARMEST SINCE 54.0 IN 2017) JULY 58.8 58.8 0.0 TIED FOR THE 39TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 65.7 IN 1936) (WARMEST SINCE 59.9 IN 2019) AUGUST 59.4 57.3 +2.1 10TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 63.3 IN 1983) (WARMEST SINCE 61.1 IN 2013) SEPTEMBER 48.4 47.5 +0.9 TIED FOR THE 28TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 53.8 IN 1940) (WARMEST SINCE 50.9 IN 2019) OCTOBER 33.0 37.1 -4.1 8TH COLDEST OUT OF 87 YEARS (RECORD COLDEST WAS 29.4 IN 2019) (COLDEST SINCE 29.4 IN 2019) NOVEMBER 29.0 26.3 +2.7 26TH WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 36.3 IN 1949) (WARMEST SINCE 34.1 IN 2016) DECEMBER 25.2 17.8 +7.4 TIED FOR THE 3RD WARMEST OUT OF 87 YEARS (RECORD WARMEST WAS 28.0 IN 1957) (WARMEST SINCE 26.1 IN 1999) YEAR 37.6 36.8 +0.8 TIED FOR THE 16TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 39.5 IN 2016) (WARMEST SINCE 37.6 IN 2017) ...BILLINGS 2020 TOP 3 WARMEST DAILY LOW TEMPERATURES... 1 - 71 AUGUST 18 2 - 68 JUNE 13 3 - 67 AUGUST 20 ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...76 ON JUNE 28 1936 ...BILLINGS 2020 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS... 45 ON FEBRUARY 1 (OLD RECORD 43 IN 1995) 52 ON APRIL 30 (OLD RECORD 51 IN 1968) 68 ON JUNE 13 (OLD RECORD 66 IN 1979) 71 ON AUGUST 18 (OLD RECORD 65 IN 1982) 67 ON AUGUST 20 (TIED RECORD IN 1991) 58 ON OCTOBER 5 (OLD RECORD 56 IN 2011) 56 ON OCTOBER 6 (TIED RECORD IN 1975) 47 ON NOVEMBER 3 (TIED RECORD IN 1983) 47 ON NOVEMBER 5 (TIED RECORD IN 1969) ...BILLINGS 2020 TOP 3 COLDEST DAILY LOW TEMPERATURES... 1 - -11 JANUARY 15 2 - -6 JANUARY 14 3 - -2 JANUARY 17 ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-38 ON FEBRUARY 15 1936 ...BILLINGS 2020 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS... 15 ON APRIL 13 (TIED RECORD IN 1986) 22 ON OCTOBER 18 (OLD RECORD 24 IN 1949) 20 ON OCTOBER 22 (TIED RECORD IN 2002) 10 ON OCTOBER 23 (OLD RECORD 19 IN 2002) 7 ON OCTOBER 24 (OLD RECORD 19 IN 1976) 5 ON OCTOBER 25 (OLD RECORD 18 IN 1997) 9 ON OCTOBER 26 (OLD RECORD 22 IN 1970) ...BILLINGS MONTHLY WIND AVERAGES... MONTH 2020 VALUES NORMALS DEPARTURE RANKING JANUARY 12.5 13.2 -0.7 TIED FOR THE 27TH LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 9.9 IN 1979) (LEAST WINDIEST SINCE 11.1 IN 2010) FEBRUARY 14.4 11.9 +2.5 TIED FOR THE 9TH WINDIEST OUT OF 71 YEARS (RECORD WINDIEST WAS 15.9 IN 1976) (WINDIEST SINCE 15.7 IN 2002) MARCH 11.0 10.8 +0.2 TIED FOR THE 32ND LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 8.6 IN 2018) (LEAST WINDIEST SINCE 9.7 IN 2019) APRIL 11.2 10.5 +0.7 TIED FOR THE 33RD WINDIEST OUT OF 71 YEARS (RECORD WINDIEST WAS 13.5 TIED IN 1955) (WINDIEST SINCE 12.1 IN 2014) MAY 9.5 9.9 -0.4 17TH LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 8.6 IN 1991) (LEAST WINDIEST SINCE 9.0 IN 2018) JUNE 9.5 9.5 0.0 TIED FOR THE 27TH LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 7.7 IN 1983) (LEAST WINDIEST SINCE 9.5 IN 2019) JULY 8.1 8.9 -0.8 TIED FOR THE 5TH LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 7.6 IN 2011) (LEAST WINDIEST SINCE 7.8 IN 2019) AUGUST 8.1 9.0 -0.9 TIED FOR THE 4TH LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 7.7 IN 1989) (LEAST WINDIEST SINCE 8.0 IN 2017) SEPTEMBER 10.9 9.5 +1.4 TIED FOR THE 11TH WINDIEST OUT OF 71 YEARS (RECORD WINDIEST WAS 11.6 IN 1970) (WINDIEST SINCE 11.2 IN 1984) OCTOBER 12.2 10.4 +1.8 10TH WINDIEST OUT OF 72 YEARS (RECORD WINDIEST WAS 13.7 IN 1961) (WINDIEST SINCE 12.7 IN 2019) NOVEMBER 13.1 11.8 +1.3 TIED FOR THE 16TH WINDIEST OUT OF 72 YEARS (RECORD WINDIEST WAS 15.5 IN 2002) (WINDIEST SINCE 13.2 IN 2011) DECEMBER 14.2 12.9 +1.3 14TH WINDIEST OUT OF 72 YEARS (RECORD WINDIEST WAS 15.9 IN 1956) (WINDIEST SINCE 15.5 IN 2011) YEAR 11.2 10.7 +0.5 TIED FOR THE 25TH WINDIEST OUT OF 72 YEARS (RECORD WINDIEST WAS 12.8 IN 1949) (WINDIEST SINCE 11.3 IN 2014) ...BILLINGS 2020 TOP 3 DAILY MAXIMUM AVERAGE WIND... 1 - 25.4 DECEMBER 24 2 - 23.6 DECEMBER 3 3 - 23.6 OCTOBER 26 ALL TIME DAILY MAXIMUM AVERAGE WIND RECORD...33.0 ON JANUARY 13 2014 ...BILLINGS 2020 TOP 3 DAILY MINIMUM AVERAGE WIND... 1 - 0.0 MARCH 15 2 - 2.8 AUGUST 8 3 - 3.7 MARCH 16 ALL TIME DAILY MINIMUM AVERAGE WIND RECORD...0.0 ON NOVEMBER 27 1999 $$