Climatological Report (Annual)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
000 CXUS55 KGGW 031204 CLAGGW CLIMATE REPORT NATIONAL WEATHER SERVICE GLASGOW, MT 504 AM MST MON JAN 03 2022 ................................... ...THE GLASGOW MT CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1893 TO 2022 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 113 07/31/1900 LOW -59 02/15/1936 HIGHEST 110 MM MM LOWEST -28 MM MM MEAN 46.9 43.9 +3.0 45.2 PRECIPITATION (INCHES) RECORD MAXIMUM 22.96 2011 TOTALS 6.63R 13.44 -6.81 12.35 SNOWFALL (INCHES) RECORDS TOTAL 83.4 2011 TOTALS 23.2 40.7 -17.5 34.2 DEGREE DAYS HEATING TOTAL 7503 COOLING TOTAL 1002 .............................................................. - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && 2021 WILL BE REMEMBERED AS THE DRIEST YEAR ON RECORD FOR GLASGOW. THE TOTAL FOR THE YEAR WAS ONLY 6.63 INCHES WHICH WAS 6.81 INCHES BELOW NORMAL. THE PREVIOUS DRIEST YEAR ON RECORD WAS 2017 WITH 6.64 INCHES. ONLY AUGUST AND DECEMBER HAD ABOVE NORMAL PRECIPITATION. AUGUST WAS THE WETTEST MONTH WITH 1.83 INCHES AND SEPTEMBER WAS THE DRIEST MONTH WITH ONLY 0.03 INCH. IT WAS THE SECOND WARMEST YEAR ON RECORD WITH AN AVERAGE TEMPERATURE OF 46.9 DEGREES. THE WARMEST YEAR ON RECORD IS 1987 WITH AND AVERAGE TEMPERATURE OF 47.6 DEGREES. ONLY FEBRUARY, MAY, AND DECEMBER WERE BELOW NORMAL WITH TEMPERATURES. THERE WERE 15 DAYS WITH RECORD HIGHS AND 10 DAYS WITH DAILY HIGH MINIMUMS. THE HIGH FOR THE YEAR WAS 110 DEGREES ON JULY 19 WHICH WAS THE FIRST TIME GLASGOW HAD A HIGH OF 110 DEGREES OR HIGHER SINCE JULY 18, 1936. JULY`S AVERAGE TEMPERATURE OF 79.2 DEGREES WAS THE SECOND WARMEST MONTH ON RECORD WITH ONLY JULY 1936 BEING WARMER WITH A AVERAGE OF 81.2 DEGREES. THERE WERE 15 DAYS WITH A HIGH TEMPERATURE OF 100 DEGREES OR HIGHER WHICH WAS SECOND TO 1936 FOR THE MOST 100+ DEGREE HIGHS IN A YEAR. 1936 HAS 22 DAYS WITH A HIGH OF 100 OR HIGHER. IT WAS THE WARMEST SUMMER ON RECORD WITH AN AVERAGE TEMPERATURE OF 74.3 DEGREES WHICH BEAT THE PREVIOUS RECORD OF 74.2 DEGREES SET IN 1936. A MONTHLY RECORD HIGH FOR DECEMBER WAS TIED ON DECEMBER 1 WITH A HIGH OF 69. IT TIED DECEMBER 3 AND 8, 1939 FOR WARMEST DECEMBER HIGH. THERE WERE NO RECORD LOWS SET IN 2021 AND ONLY ONE RECORD LOW MAX TEMPERATURE WHICH WAS 40 DEGREES ON MAY 21. THE LOW FOR THE YEAR WAS -28 DEGREES ON FEBRUARY 14. FEBRUARY WAS THE COLDEST MONTH WITH AN AVERAGE TEMPERATURE OF 10.8 DEGREES. THERE WERE RECORD MONTHLY WIND GUSTS SET IN JANUARY WITH 79 MPH ON THE 13TH, JUNE WITH 70 MPH ON THE 8TH, AND NOVEMBER WITH 69 MPH ON THE 16TH. 2021 WAS ALSO KNOWN FOR ITS LACK OF SNOW UNTIL DECEMBER DUMPED 16.2 INCHES. BETWEEN JANUARY AND MARCH HAD ONLY 1.7 INCHES OF SNOW FELL. APRIL HAD 3.3 INCHES AND MAY HAD 2.0 INCHES OF SNOW. OCTOBER AND NOVEMBER ONLY HAD A TRACE OF SNOW. $$