Climatological Report (Annual)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
000 CXUS55 KBYZ 011904 CLABIL CLIMATE REPORT NATIONAL WEATHER SERVICE BILLINGS MT 1158 AM MST WED JAN 1 2020 ................................... ...THE BILLINGS MT CLIMATE SUMMARY FOR THE YEAR OF 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1934 TO 2019 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 108 07/14/2002 LOW -38 02/15/1936 HIGHEST 99 09/04 LOWEST -19 03/04 03/03 AVG. MAXIMUM 56.7 59.5 -2.8 AVG. MINIMUM 35.5 36.8 -1.3 MEAN 46.1 48.2 -2.1 DAYS MAX >= 90 28 -0.4 DAYS MAX <= 32 53 16.1 DAYS MIN <= 32 159 21.0 DAYS MIN <= 0 28 14.5 PRECIPITATION (INCHES) RECORD MAXIMUM 26.81 1978 MINIMUM 6.86 2012 TOTALS 19.10 13.66 5.44 DAYS >= .01 128 31.5 DAYS >= .10 55 16.9 DAYS >= .50 9 3.8 DAYS >= 1.00 0 -0.9 SNOWFALL (INCHES) RECORDS TOTAL 127.9 1955 TOTALS 69.0 55.0 14.0 DAYS >= TRACE 81 38.7 42.3 DAYS >= 1.0 21 17.4 3.6 GREATEST SNOW DEPTH 18 03/01 DEGREE_DAYS HEATING TOTAL 7664 6781 883 COOLING TOTAL 682 637 45 FREEZE DATES RECORD EARLIEST 09/04/1962 LATEST 06/13/1969 EARLIEST 10/04 LATEST 05/07 ................................................. WIND (MPH) AVERAGE WIND SPEED 10.7 RESULTANT WIND SPEED/DIRECTION 4/258 HIGHEST WIND SPEED/DIRECTION 56/260 DATE 08/22 HIGHEST GUST SPEED/DIRECTION 71/310 DATE 08/11 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 48 MIXED PRECIP 0 HEAVY RAIN 18 RAIN 29 LIGHT RAIN 134 FREEZING RAIN 1 LT FREEZING RAIN 2 HAIL 5 HEAVY SNOW 5 SNOW 19 LIGHT SNOW 76 SLEET 0 FOG 107 FOG W/VIS <= 1/4 MILE 23 HAZE 38 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...2019 YEAR IN REVIEW FOR BILLINGS... BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND STATISTICS FOR BILLINGS 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 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 2019 VALUES NORMALS DEPARTURE RANKING JANUARY 0.95 0.48 +0.47 TIED FOR THE 21ST WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 2.35 IN 1972) (WETTEST SINCE 1.09 IN 2015) FEBRUARY 2.00 0.48 +1.52 2ND WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 2.06 IN 2014) (WETTEST SINCE 2.06 IN 2014) MARCH 0.37 1.06 -0.69 TIED FOR THE 9TH DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS 0.11 IN 2004) (DRIEST SINCE 0.37 IN 2015) APRIL 1.98 1.66 +0.32 25TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 4.42 IN 1955) (WETTEST SINCE 2.16 IN 2018) MAY 2.41 2.18 +0.23 29TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 9.54 IN 2011) (WETTEST SINCE 5.22 IN 2018) JUNE 2.08 2.12 -0.04 34TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 7.64 IN 1944) (WETTEST SINCE 3.94 IN 2018) JULY 2.08 1.32 +0.76 8TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 5.08 IN 1993) (WETTEST SINCE 2.27 IN 2004) AUGUST 2.05 0.75 +1.30 6TH WETTEST OUT OF 86 YEARS (RECORD WETTEST WAS 3.50 IN 1965) (WETTEST SINCE 2.78 IN 2010) SEPTEMBER 3.24 1.30 +1.94 5TH WETTEST OUT OF 86 YEARS (RECORD WETTEST WAS 4.99 IN 1941) (WETTEST SINCE 3.63 IN 2013) OCTOBER 0.84 1.18 -0.34 36TH DRIEST OUT OF 86 YEARS (RECORD DRIEST WAS 0.01 IN 1987) (DRIEST SINCE 0.70 IN 2018) NOVEMBER 0.96 0.63 +0.33 TIED FOR THE 22ND WETTEST OUT OF 86 YEARS (RECORD WETTEST WAS 2.34 IN 1978) (WETTEST SINCE 1.35 IN 2017) DECEMBER 0.14 0.50 -0.36 TIED FOR THE 8TH DRIEST OUT OF 86 YEARS (RECORD DRIEST WAS 0.05 IN 1957) (DRIEST SINCE 0.12 IN 1986) YEAR 19.10 13.66 +5.44 7TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 26.81 IN 1978) (WETTEST SINCE 19.54 IN 2011) ...BILLINGS 2019 TOP 3 DAILY MAXIMUM PRECIPITATION... 1 - 0.97 AUGUST 22 2 - 0.89 SEPTEMBER 11 3 - 0.73 MAY 17 ALL TIME DAILY PRECIPITATION RECORD...3.12 ON MAY 24 2011 ...BILLINGS 2019 BROKEN OR TIED DAILY PRECIPITATION RECORDS... 0.52 ON JANUARY 21 (OLD RECORD 0.20 IN 1952) 0.34 ON FEBRUARY 15 (OLD RECORD 0.30 IN 1986) 0.29 ON FEBRUARY 26 (OLD RECORD 0.23 IN 1995) 0.45 ON JUNE 30 (TIED RECORD IN 1992) 0.53 ON AUGUST 11 (OLD RECORD 0.51 IN 1951) 0.97 ON AUGUST 22 (OLD RECORD 0.51 IN 1973) 0.68 ON SEPTEMBER 20 (OLD RECORD 0.50 IN 1970) 0.40 ON SEPTEMBER 28 (OLD RECORD 0.32 IN 1983) 0.28 ON NOVEMBER 30 (OLD RECORD 0.22 IN 1980) ...BILLINGS MONTHLY SNOWFALL... MONTH 2019 VALUES NORMALS DEPARTURE RANKING JANUARY 13.7 8.4 +5.3 19TH SNOWIEST OUT OF 85 YEARS (RECORD SNOWIEST WAS 27.7 IN 1963) (SNOWIEST SINCE 18.7 IN 2015) FEBRUARY 29.4 6.2 +23.2 3RD SNOWIEST OUT OF 85 YEARS (RECORD SNOWIEST WAS 37.0 IN 2014) (SNOWIEST SINCE 32.4 IN 2018) MARCH 2.2 10.2 -8.0 7TH LEAST SNOWIEST OUT OF 85 YEARS (RECORD LEAST SNOWIEST WAS 0.3 IN 2010) (LEAST SNOWIEST SINCE 1.9 IN 2016) APRIL 0.4 8.3 -7.9 TIED FOR THE 12TH LEAST SNOWIEST OUT OF 85 YEARS (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 1949) (LEAST SNOWIEST SINCE 0.4 IN 2012) MAY 0.4 2.0 -1.6 TIED FOR THE 29TH SNOWIEST OUT OF 85 YEARS (RECORD SNOWIEST WAS 15.6 IN 1981) (SNOWIEST SINCE 2.1 IN 2014) JUNE 0.0 0.0 0.0 NOT DETERMINED JULY T 0.0 +T NOT DETERMINED AUGUST T 0.0 +T NOT DETERMINED SEPTEMBER 0.1 1.1 -1.0 18TH SNOWIEST OUT OF 86 YEARS (RECORD SNOWIEST WAS 9.3 IN 1984) (SNOWIEST SINCE 1.4 IN 2018) OCTOBER 10.5 4.1 +6.4 8TH SNOWIEST OUT OF 86 YEARS (RECORD SNOWIEST WAS 23.1 IN 1949) (SNOWIEST SINCE 12.9 IN 2008) NOVEMBER 10.9 6.5 +4.4 16TH SNOWIEST OUT OF 86 YEARS (RECORD SNOWIEST WAS 25.2 IN 1978) (SNOWIEST SINCE 12.2 IN 2017) DECEMBER 1.4 8.2 -6.8 7TH LEAST SNOWIEST OUT OF 86 YEARS (RECORD LEAST SNOWIEST WAS T TIED IN 1943) (LEAST SNOWIEST SINCE 1.3 IN 1962) YEAR 69.0 55.0 +14.0 21ST SNOWIEST OUT OF 85 YEARS (RECORD SNOWIEST WAS 126.9 IN 1955) (SNOWIEST SINCE 83.6 IN 2018) ...BILLINGS 2019 TOP 3 DAILY MAXIMUM SNOWFALL... 1 - 6.5 JANUARY 23 2 - 6.3 JANUARY 21 3 - 5.6 OCTOBER 9 ALL TIME DAILY SNOWFALL RECORD...23.7 ON APRIL 4 1955 ...BILLINGS 2019 BROKEN OR TIED DAILY SNOWFALL RECORDS... 6.3 ON JANUARY 21 (OLD RECORD 3.7 IN 1952) 4.0 ON FEBRUARY 15 (OLD RECORD 3.5 IN 1939) T ON MAY 17 (TIED RECORD IN 1942) T ON JULY 14 (TIED RECORD IN 1991) T ON AUGUST 11 (OLD RECORD 0.0 IN 1935) T ON AUGUST 22 (OLD RECORD 0.0 IN 1935) T ON SEPTEMBER 1 (OLD RECORD 0.0 IN 1934) 5.6 ON OCTOBER 9 (OLD RECORD 3.4 IN 1977) 5.1 ON NOVEMBER 30 (OLD RECORD 3.1 IN 2000) ...BILLINGS AVERAGE TEMPERATURES... MONTH 2019 VALUES NORMALS DEPARTURE RANKING JANUARY 28.9 27.1 +1.8 TIED FOR THE 28TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 38.0 IN 2006) (WARMEST SINCE 29.9 IN 2016) FEBRUARY 8.4 30.4 -22.0 2ND COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 2.7 IN 1936) (COLDEST SINCE 2.7 IN 1936) MARCH 29.0 37.7 -8.7 8TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 21.4 IN 1965) (COLDEST SINCE 24.7 IN 2002) APRIL 46.8 46.2 +0.6 33RD WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 54.6 IN 1980) (WARMEST SINCE 47.7 IN 2017) MAY 51.8 55.6 -3.8 TIED FOR THE 12TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 49.9 IN 1950) (COLDEST SINCE 50.0 IN 2011) JUNE 65.2 64.7 +0.5 30TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 75.9 IN 1988) (WARMEST SINCE 67.0 IN 2017) JULY 72.5 72.8 -0.3 TIED FOR THE 36TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 62.7 IN 1993) (COLDEST SINCE 72.5 IN 2018) AUGUST 72.8 71.5 +1.3 TIED FOR THE 23RD WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 77.5 IN 1983) (WARMEST SINCE 74.9 IN 2013) SEPTEMBER 61.7 60.3 +1.4 29TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 67.2 IN 1938) (WARMEST SINCE 65.4 IN 2015) OCTOBER 40.1 48.2 -8.1 2ND COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 40.0 IN 1969) (COLDEST SINCE 40.0 IN 1969) NOVEMBER 34.8 35.8 -1.0 TIED FOR THE 33RD COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 15.2 IN 1985) (COLDEST SINCE 34.5 IN 2015) DECEMBER 33.1 26.5 +6.6 9TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 37.3 IN 1957) (WARMEST SINCE 35.3 IN 1999) YEAR 45.6 48.2 -2.6 12TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 42.8 IN 1978) (COLDEST SINCE 44.4 IN 1996) ...BILLINGS AVERAGE HIGH TEMPERATURES... MONTH 2019 VALUES NORMALS DEPARTURE RANKING JANUARY 37.5 36.4 +1.1 28TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 47.3 IN 2006) (WARMEST SINCE 39.0 IN 2015) FEBRUARY 17.3 40.2 -22.9 2ND COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 12.3 IN 1936) (COLDEST SINCE 12.3 IN 1936) MARCH 39.5 48.6 -9.1 TIED FOR THE 13TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 31.0 IN 1965) (COLDEST SINCE 34.8 IN 2002) APRIL 55.7 57.6 -1.9 TIED FOR THE 33RD COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 45.7 IN 1975) (COLDEST SINCE 54.3 IN 2018) MAY 61.1 67.5 -6.4 5TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 58.4 IN 2011) (COLDEST SINCE 58.4 IN 2011) JUNE 77.9 77.2 +0.7 TIED FOR THE 32ND WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 92.0 IN 1988) (WARMEST SINCE 80.0 IN 2017) JULY 85.1 86.8 -1.7 TIED FOR THE 20TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 73.5 IN 1993) (COLDEST SINCE 84.9 IN 2010) AUGUST 86.3 85.7 +0.6 36TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 92.2 IN 1971) (WARMEST SINCE 88.6 IN 2013) SEPTEMBER 72.4 73.1 -0.7 TIED FOR THE 39TH COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 55.9 IN 1965) (COLDEST SINCE 70.2 IN 2018) OCTOBER 50.7 59.4 -8.7 3RD COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 48.3 IN 1969) (COLDEST SINCE 49.9 IN 2009) NOVEMBER 44.3 45.3 -1.0 35TH COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 23.0 IN 1985) (COLDEST SINCE 43.5 IN 2015) DECEMBER 41.6 35.2 +6.4 16TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 48.9 IN 1939) (WARMEST SINCE 42.7 IN 2004) YEAR 56.0 59.5 -3.5 7TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 53.3 IN 1978) (COLDEST SINCE 55.5 IN 1996) ...BILLINGS 2019 TOP 3 WARMEST DAILY HIGH TEMPERATURES... 1 - 99 SEPTEMBER 4 2 - 97 AUGUST 4 3 - 96 AUGUST 19 ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...108 ON JULY 14 2002 ...BILLINGS 2019 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS... 95 ON SEPTEMBER 15 (TIED RECORD IN 2000) 94 ON SEPTEMBER 16 (TIED RECORD IN 1979) ...BILLINGS 2019 TOP 3 COLDEST DAILY HIGH TEMPERATURES... 1 - -5 FEBRUARY 25 2 - -3 FEBRUARY 4 3 - 0 MARCH 3 ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-21 ON JANUARY 26 1972 ...BILLINGS 2019 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS... -5 ON FEBRUARY 25 (OLD RECORD -2 IN 2011) 0 ON FEBRUARY 26 (OLD RECORD 1 IN 1962) 0 ON MARCH 3 (OLD RECORD 4 IN 1976) 41 ON MAY 5 (OLD RECORD 45 IN 1978) 45 ON MAY 19 (OLD RECORD 46 IN 1959) 43 ON MAY 21 (TIED RECORD IN 1975) 26 ON OCTOBER 27 (OLD RECORD 29 IN 1991) 16 ON OCTOBER 29 (TIED RECORD IN 1971) ...BILLINGS AVERAGE LOW TEMPERATURES... MONTH 2019 VALUES NORMALS DEPARTURE RANKING JANUARY 20.2 17.8 +2.4 TIED FOR THE 25TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 28.6 IN 2006) (WARMEST SINCE 22.5 IN 2016) FEBRUARY -0.5 20.6 -20.1 2ND COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS -7.0 IN 1936) (COLDEST SINCE -7.0 IN 1936) MARCH 18.5 26.9 -8.4 7TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 11.7 IN 1965) (COLDEST SINCE 14.6 IN 2002) APRIL 37.8 34.7 +3.1 TIED FOR THE 9TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 40.8 IN 1980) (WARMEST SINCE 38.8 IN 2016) MAY 42.4 43.6 -1.2 30TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 38.3 IN 1950) (COLDEST SINCE 42.0 IN 2012) JUNE 52.4 52.1 +0.3 TIED FOR THE 34TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 59.8 IN 1988) (WARMEST SINCE 53.0 IN 2018) JULY 59.9 58.8 +1.1 TIED FOR THE 28TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 65.7 IN 1936) (WARMEST SINCE 63.5 IN 2017) AUGUST 59.2 57.3 +1.9 10TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 63.3 IN 1983) (WARMEST SINCE 61.1 IN 2013) SEPTEMBER 50.9 47.5 +3.4 11TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 53.8 IN 1940) (WARMEST SINCE 51.0 IN 2015) OCTOBER 29.4 37.1 -7.7 RECORD COLDEST OUT OF 86 YEARS (OLD RECORD COLDEST WAS 30.7 IN 1984) NOVEMBER 25.3 26.3 -1.0 29TH COLDEST OUT OF 86 YEARS (RECORD COLDEST WAS 7.3 IN 1985) (COLDEST SINCE 20.5 IN 2014) DECEMBER 24.5 17.8 +6.7 8TH WARMEST OUT OF 86 YEARS (RECORD WARMEST WAS 28.0 IN 1957) (WARMEST SINCE 26.1 IN 1999) YEAR 35.2 36.8 -1.6 19TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 32.3 TIED IN 1978) (COLDEST SINCE 33.3 IN 1996) ...BILLINGS 2019 TOP 3 WARMEST DAILY LOW TEMPERATURES... 1 - 71 AUGUST 4 2 - 70 AUGUST 6 3 - 69 JULY 24 ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...76 ON JUNE 28 1936 ...BILLINGS 2019 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS... 57 ON MAY 15 (OLD RECORD 56 IN 1984) 71 ON AUGUST 4 (OLD RECORD 69 IN 2001) 70 ON AUGUST 6 (TIED RECORD IN 1949) 41 ON DECEMBER 21 (OLD RECORD 38 IN 1950) ...BILLINGS 2019 TOP 3 COLDEST DAILY LOW TEMPERATURES... 1 - -19 MARCH 4 2 - -19 MARCH 3 3 - -14 FEBRUARY 7 ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-38 ON FEBRUARY 15 1936 ...BILLINGS 2019 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS... -19 ON MARCH 3 (OLD RECORD -13 IN 1976) -19 ON MARCH 4 (TIED RECORD IN 1989) 32 ON MAY 18 (TIED RECORD IN 1942) 16 ON OCTOBER 10 (TIED RECORD IN 2009) 13 ON OCTOBER 27 (OLD RECORD 16 IN 1991) 0 ON OCTOBER 29 (OLD RECORD 1 IN 1991) ...BILLINGS MONTHLY WIND AVERAGES... MONTH 2019 VALUES NORMALS DEPARTURE RANKING JANUARY 14.7 13.2 +1.5 TIED FOR THE 14TH WINDIEST OUT OF 70 YEARS (RECORD WINDIEST WAS 17.7 IN 1962) (WINDIEST SINCE 16.6 IN 2014) FEBRUARY 9.4 11.9 -2.5 TIED FOR THE 4TH LEAST WINDIEST OUT OF 70 YEARS (RECORD LEAST WINDIEST WAS 8.6 IN 1958) (LEAST WINDIEST SINCE 8.7 IN 2010) MARCH 9.7 10.8 -1.1 TIED FOR THE 13TH LEAST WINDIEST OUT OF 70 YEARS (RECORD LEAST WINDIEST WAS 8.6 IN 2018) (LEAST WINDIEST SINCE 8.6 IN 2018) APRIL 10.2 10.5 -0.3 TIED FOR THE 14TH LEAST WINDIEST OUT OF 70 YEARS (RECORD LEAST WINDIEST WAS 8.8 IN 1983) (LEAST WINDIEST SINCE 10.2 IN 2018) MAY 10.0 9.9 +0.1 TIED FOR THE 25TH LEAST WINDIEST OUT OF 70 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 70 YEARS (RECORD LEAST WINDIEST WAS 7.7 IN 1983) (LEAST WINDIEST SINCE 9.0 IN 2018) JULY 7.8 8.9 -1.1 2ND LEAST WINDIEST OUT OF 70 YEARS (RECORD LEAST WINDIEST WAS 7.6 IN 2011) (LEAST WINDIEST SINCE 7.6 IN 2011) AUGUST 8.9 9.0 -0.1 TIED FOR THE 20TH LEAST WINDIEST OUT OF 70 YEARS (RECORD LEAST WINDIEST WAS 7.7 IN 1989) (LEAST WINDIEST SINCE 8.0 IN 2017) SEPTEMBER 9.9 9.5 +0.4 ON THE MEDIAN OUT OF 70 YEARS (WINDIEST 11.6-1970/LEAST WINDIEST 7.7-2008) OCTOBER 12.7 10.4 +2.3 TIED FOR THE 4TH WINDIEST OUT OF 71 YEARS (RECORD WINDIEST WAS 13.7 IN 1961) (WINDIEST SINCE 12.9 IN 2017) NOVEMBER 12.4 11.8 +0.6 TIED FOR THE 28TH WINDIEST OUT OF 71 YEARS (RECORD WINDIEST WAS 15.5 IN 2002) (WINDIEST SINCE 12.9 IN 2018) DECEMBER 13.0 12.9 +0.1 TIED FOR THE 31ST LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 10.3 IN 1983) (LEAST WINDIEST SINCE 12.3 IN 2017) YEAR 10.7 10.7 0.0 TIED FOR THE 24TH LEAST WINDIEST OUT OF 71 YEARS (RECORD LEAST WINDIEST WAS 9.5 IN 1983) (LEAST WINDIEST SINCE 10.4 IN 2018) ...BILLINGS 2019 TOP 3 DAILY MAXIMUM AVERAGE WIND... 1 - 25.9 JANUARY 2 2 - 25.7 APRIL 28 3 - 24.2 JANUARY 26 ALL TIME DAILY MAXIMUM AVERAGE WIND RECORD...33.0 ON JANUARY 13 2014 ...BILLINGS 2019 TOP 3 DAILY MINIMUM AVERAGE WIND... 1 - 1.7 DECEMBER 25 2 - 4.3 NOVEMBER 4 3 - 4.4 DECEMBER 14 ALL TIME DAILY MINIMUM AVERAGE WIND RECORD...0.0 ON NOVEMBER 27 1999 $$