Climatological Report (Annual)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
000 CXUS55 KBYZ 011610 CLAMLS CLIMATE REPORT NATIONAL WEATHER SERVICE BILLINGS MT 903 AM MST SAT JAN 01 2022 ................................... ...THE MILES CITY MT CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1937 TO 2021 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 111 06/26/2012 LOW -38 12/24/1983 HIGHEST 109 06/15 LOWEST -34 02/14 AVG. MAXIMUM 61.2 58.7 2.5 AVG. MINIMUM 34.2 33.6 0.6 MEAN 47.7 46.1 1.6 DAYS MAX >= 90 62 21.4 DAYS MAX <= 32 38 -13.0 DAYS MIN <= 32 174 7.7 DAYS MIN <= 0 22 -1.8 PRECIPITATION (INCHES) RECORD MAXIMUM 20.28 1978 MINIMUM 5.27 1988 TOTALS 9.60 12.88 -3.28 DAYS >= .01 82 -4.7 DAYS >= .10 27 -5.2 DAYS >= .50 4 -2.1 DAYS >= 1.00 1 -0.5 DEGREE DAYS HEATING TOTAL 7206 7566 -360 COOLING TOTAL 1044 731 313 FREEZE DATES RECORD EARLIEST 09/02/1974 LATEST 06/08/1950 EARLIEST 10/11 LATEST 05/11 ................................................ WIND (MPH) AVERAGE WIND SPEED 9.6 RESULTANT WIND SPEED/DIRECTION 2/300 HIGHEST WIND SPEED/DIRECTION 58/280 DATE 01/13 HIGHEST GUST SPEED/DIRECTION 75/270 DATE 01/13 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 33 MIXED PRECIP 0 HEAVY RAIN 15 RAIN 27 LIGHT RAIN 102 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 6 SNOW 10 LIGHT SNOW 57 SLEET 0 FOG 79 FOG W/VIS <= 1/4 MILE 21 HAZE 86 - 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 MILES CITY... BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION STATISTICS FOR MILES CITY 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 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 2021 VALUES NORMALS DEPARTURE RANKING JANUARY 0.22 0.28 -0.06 TIED FOR THE 27TH DRIEST OUT OF 84 YEARS (RECORD DRIEST WAS 0.01 IN 2008) (DRIEST SINCE 0.21 IN 2020) FEBRUARY 0.26 0.26 +0.00 TIED FOR THE 34TH DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS T IN 2005) (DRIEST SINCE 0.13 IN 2015) MARCH 0.27 0.55 -0.28 TIED FOR THE 21ST DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS T IN 2008) (DRIEST SINCE 0.25 IN 2020) APRIL 0.36 1.54 -1.18 13TH DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS 0.02 IN 1983) (DRIEST SINCE 0.33 IN 2014) MAY 2.58 2.73 -0.15 29TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 9.35 IN 2011) (WETTEST SINCE 3.84 IN 2020) JUNE 0.48 2.51 -2.03 2ND DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS 0.36 IN 2012) (DRIEST SINCE 0.36 IN 2012) JULY 0.65 1.51 -0.86 21ST DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS T TIED IN 2017) (DRIEST SINCE T IN 2017) AUGUST 1.45 0.91 +0.54 27TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 4.00 IN 1951) (WETTEST SINCE 2.22 IN 2014) SEPTEMBER 0.65 1.07 -0.42 37TH DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS T IN 1960) (DRIEST SINCE 0.63 IN 2020) OCTOBER 2.41 0.97 +1.44 5TH WETTEST OUT OF 85 YEARS (RECORD WETTEST WAS 6.31 IN 1971) (WETTEST SINCE 6.31 IN 1971) NOVEMBER 0.02 0.33 -0.31 TIED FOR THE 3RD DRIEST OUT OF 85 YEARS (RECORD DRIEST WAS T TIED IN 2016) (DRIEST SINCE T IN 2016) DECEMBER 0.25 0.22 +0.03 38TH DRIEST OUT OF 84 YEARS (RECORD DRIEST WAS 0.02 TIED IN 2020) (DRIEST SINCE 0.02 IN 2020) YEAR 9.60 12.88 -3.28 15TH DRIEST OUT OF 84 YEARS (RECORD DRIEST WAS 5.27 IN 1988) (DRIEST SINCE 6.33 IN 2017) ...MILES CITY 2021 TOP 3 DAILY MAXIMUM PRECIPITATION... 1 - 1.09 OCTOBER 9 2 - 0.79 MAY 26 3 - 0.59 OCTOBER 12 ALL TIME DAILY PRECIPITATION RECORD...2.91 ON APRIL 24 2016 ...MILES CITY 2021 BROKEN OR TIED DAILY PRECIPITATION RECORDS... 0.46 ON AUGUST 21 (OLD RECORD 0.36 IN 2002) 1.09 ON OCTOBER 9 (OLD RECORD 0.52 IN 2005) 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 2021 VALUES NORMALS DEPARTURE RANKING JANUARY 28.0 19.5 +8.5 5TH WARMEST OUT OF 84 YEARS (RECORD WARMEST WAS 34.3 IN 2006) (WARMEST SINCE 34.3 IN 2006) FEBRUARY 12.7 23.6 -10.9 10TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 2.2 IN 2019) (COLDEST SINCE 2.2 IN 2019) MARCH 39.1 34.7 +4.4 17TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 47.1 IN 2012) (WARMEST SINCE 42.6 IN 2016) APRIL 44.3 45.5 -1.2 30TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 38.8 IN 1975) (COLDEST SINCE 41.0 IN 2020) MAY 53.4 55.5 -2.1 TIED FOR THE 17TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 50.4 IN 2019) (COLDEST SINCE 50.4 IN 2019) JUNE 72.7 65.6 +7.1 4TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 78.9 IN 1988) (WARMEST SINCE 78.9 IN 1988) JULY 80.5 74.2 +6.3 4TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 81.5 IN 2007) (WARMEST SINCE 81.1 IN 2017) AUGUST 71.7 72.5 -0.8 TIED FOR THE 28TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 65.8 IN 1977) (COLDEST SINCE 71.1 IN 2019) SEPTEMBER 63.1 61.2 +1.9 22ND WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 69.4 IN 1998) (WARMEST SINCE 65.9 IN 2015) OCTOBER 49.5 46.4 +3.1 TIED FOR THE 30TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 55.7 IN 1963) (WARMEST SINCE 52.5 IN 2015) NOVEMBER 39.1 32.7 +6.4 TIED FOR THE 8TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 42.9 IN 1949) (WARMEST SINCE 42.4 IN 2016) DECEMBER 18.2 22.4 -4.2 27TH COLDEST OUT OF 84 YEARS (RECORD COLDEST WAS 0.9 IN 1983) (COLDEST SINCE 13.9 IN 2016) YEAR 47.9 46.3 +1.6 TIED FOR THE 15TH WARMEST OUT OF 84 YEARS (RECORD WARMEST WAS 50.1 IN 2012) (WARMEST SINCE 49.7 IN 2016) ...MILES CITY AVERAGE HIGH TEMPERATURES... MONTH 2021 VALUES NORMALS DEPARTURE RANKING JANUARY 38.4 30.1 +8.3 6TH WARMEST OUT OF 84 YEARS (RECORD WARMEST WAS 45.8 IN 1992) (WARMEST SINCE 44.3 IN 2006) FEBRUARY 23.4 34.7 -11.3 TIED FOR THE 9TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 11.9 IN 2019) (COLDEST SINCE 11.9 IN 2019) MARCH 52.9 46.8 +6.1 12TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 62.3 IN 2012) (WARMEST SINCE 56.1 IN 2016) APRIL 57.7 58.1 -0.4 TIED FOR THE 40TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 48.2 IN 1975) (COLDEST SINCE 54.5 IN 2020) MAY 66.8 68.1 -1.3 TIED FOR THE 28TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 60.2 IN 2011) (COLDEST SINCE 66.7 IN 2020) JUNE 89.8 78.6 +11.2 2ND WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 93.4 IN 1988) (WARMEST SINCE 93.4 IN 1988) JULY 95.9 88.7 +7.2 4TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 96.7 TIED IN 2017) (WARMEST SINCE 96.7 IN 2017) AUGUST 86.4 87.4 -1.0 TIED FOR THE 35TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 78.5 IN 1977) (COLDEST SINCE 84.6 IN 2019) SEPTEMBER 79.3 75.6 +3.7 TIED FOR THE 17TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 84.3 IN 1998) (WARMEST SINCE 81.3 IN 2015) OCTOBER 61.7 59.0 +2.7 TIED FOR THE 37TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 69.4 TIED IN 1963) (WARMEST SINCE 65.2 IN 2015) NOVEMBER 52.1 44.3 +7.8 8TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 55.6 TIED IN 1999) (WARMEST SINCE 55.0 IN 2016) DECEMBER 29.5 33.1 -3.6 TIED FOR THE 28TH COLDEST OUT OF 84 YEARS (RECORD COLDEST WAS 9.2 IN 1983) (COLDEST SINCE 23.4 IN 2016) YEAR 61.4 58.9 +2.5 TIED FOR THE 10TH WARMEST OUT OF 84 YEARS (RECORD WARMEST WAS 63.3 IN 2012) (WARMEST SINCE 62.2 IN 2016) ...MILES CITY 2021 TOP 3 WARMEST DAILY HIGH TEMPERATURES... 1 - 109 JUNE 15 2 - 108 JULY 27 3 - 106 JULY 19 ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...111 ON JUNE 26 2012 ...MILES CITY 2021 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS... 95 ON JUNE 3 (TIED RECORD IN 1988) 101 ON JUNE 14 (OLD RECORD 99 IN 1959) 109 ON JUNE 15 (OLD RECORD 97 IN 1959) 105 ON JULY 3 (OLD RECORD 104 IN 2012) 108 ON JULY 27 (OLD RECORD 104 IN 1998) 98 ON SEPTEMBER 18 (OLD RECORD 95 IN 1984) 91 ON SEPTEMBER 27 (TIED RECORD IN 1943) 90 ON OCTOBER 5 (OLD RECORD 87 IN 1993) 65 ON NOVEMBER 28 (OLD RECORD 64 IN 2002) 70 ON DECEMBER 1 (OLD RECORD 64 IN 1998) ...MILES CITY 2021 TOP 3 COLDEST DAILY HIGH TEMPERATURES... 1 - -11 FEBRUARY 11 2 - -6 DECEMBER 27 3 - -6 FEBRUARY 12 ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-25 ON DECEMBER 24 1983 ...MILES CITY 2021 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS... -11 ON FEBRUARY 11 (OLD RECORD -7 IN 1939) -2 ON FEBRUARY 13 (OLD RECORD 0 IN 1949) 40 ON MAY 21 (OLD RECORD 47 IN 1957) 58 ON AUGUST 19 (OLD RECORD 67 IN 1956) 35 ON OCTOBER 13 (TIED RECORD IN 1969) -6 ON DECEMBER 27 (OLD RECORD 3 IN 1965) ...MILES CITY AVERAGE LOW TEMPERATURES... MONTH 2021 VALUES NORMALS DEPARTURE RANKING JANUARY 17.6 8.9 +8.7 9TH WARMEST OUT OF 84 YEARS (RECORD WARMEST WAS 24.3 IN 2006) (WARMEST SINCE 24.3 IN 2006) FEBRUARY 1.9 12.5 -10.6 TIED FOR THE 9TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS -7.6 IN 2019) (COLDEST SINCE -7.6 IN 2019) MARCH 25.2 22.5 +2.7 29TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 32.4 IN 1986) (WARMEST SINCE 28.7 IN 2017) APRIL 30.9 32.9 -2.0 22ND COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 27.0 IN 1951) (COLDEST SINCE 27.4 IN 2020) MAY 40.0 42.9 -2.9 6TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 38.7 IN 1950) (COLDEST SINCE 38.8 IN 2019) JUNE 55.6 52.5 +3.1 TIED FOR THE 13TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 64.4 IN 1988) (WARMEST SINCE 56.3 IN 2016) JULY 65.0 59.6 +5.4 5TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 66.3 IN 2007) (WARMEST SINCE 65.5 IN 2017) AUGUST 57.0 57.6 -0.6 TIED FOR THE 29TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 52.8 IN 1950) (COLDEST SINCE 56.5 IN 2018) SEPTEMBER 46.8 46.9 -0.1 TIED FOR THE 39TH COLDEST OUT OF 85 YEARS (RECORD COLDEST WAS 37.3 IN 1965) (COLDEST SINCE 45.3 IN 2020) OCTOBER 37.2 33.8 +3.4 25TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 42.0 IN 1963) (WARMEST SINCE 38.1 IN 2016) NOVEMBER 26.0 21.2 +4.8 TIED FOR THE 14TH WARMEST OUT OF 85 YEARS (RECORD WARMEST WAS 30.2 IN 1949) (WARMEST SINCE 29.7 IN 2016) DECEMBER 6.8 11.7 -4.9 22ND COLDEST OUT OF 84 YEARS (RECORD COLDEST WAS -7.5 IN 1983) (COLDEST SINCE 4.3 IN 2016) YEAR 34.4 33.7 +0.7 TIED FOR THE 36TH WARMEST OUT OF 84 YEARS (RECORD WARMEST WAS 37.2 TIED IN 2016) (WARMEST SINCE 35.3 IN 2017) ...MILES CITY 2021 TOP 3 WARMEST DAILY LOW TEMPERATURES... 1 - 74 JULY 19 2 - 73 JULY 21 3 - 73 JULY 20 ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...79 ON JULY 24 2007 ...MILES CITY 2021 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS... 31 ON JANUARY 13 (TIED RECORD IN 1980) 68 ON JUNE 15 (OLD RECORD 66 IN 1959) 73 ON JULY 2 (OLD RECORD 70 IN 1990) 56 ON OCTOBER 6 (OLD RECORD 55 IN 2011) 52 ON OCTOBER 7 (TIED RECORD IN 1963) 42 ON NOVEMBER 26 (OLD RECORD 38 IN 1963) 38 ON DECEMBER 1 (OLD RECORD 35 IN 1994) ...MILES CITY 2021 TOP 3 COLDEST DAILY LOW TEMPERATURES... 1 - -34 FEBRUARY 14 2 - -31 FEBRUARY 12 3 - -28 FEBRUARY 13 ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-38 ON DECEMBER 24 1983 ...MILES CITY 2021 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS... -31 ON FEBRUARY 12 (OLD RECORD -18 IN 1949) -28 ON FEBRUARY 13 (OLD RECORD -25 IN 1949) -34 ON FEBRUARY 14 (OLD RECORD -17 IN 1938) -20 ON DECEMBER 27 (OLD RECORD -17 IN 1965) $$