Climatological Report (Seasonal)
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
537 CXUS53 KDLH 301053 RRA CLSDLH CLIMATE REPORT NATIONAL WEATHER SERVICE DULUTH MN 453 AM CST THU JAN 30 2020 ................................... ...THE DULUTH CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2019 TO 11/30/2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1870 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 95 09/07/1976 LOW -29 11/29/1875 HIGHEST 83 09/19 MM MM 81 LOWEST -2 11/12 MM MM -7 MEAN 43.5 42.5 1.0 41.1 PRECIPITATION (INCHES) RECORD MAXIMUM 12.48 2019 MINIMUM 3.21 2011 TOTALS 12.48 9.05 3.43 9.85 SNOWFALL (INCHES) SINCE 7/1 28.6 DEGREE_DAYS HEATING TOTAL 1953 2063 -110 2204 COOLING TOTAL 20 15 5 49 .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.6 HIGHEST WIND SPEED/DIRECTION 41/070 HIGHEST GUST SPEED/DIRECTION 60/070 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ .THE 2019 FALL SEASON WAS WARMER AND WETTER THAN NORMAL WITH ABOVE AVERAGE SNOWFALL AT DULUTH MN... THE AVERAGE TEMPERATURE FOR THE FALL OF 2019 WAS 43.5 DEGREES WHICH WAS 1 DEGREES ABOVE THE NORMAL VALUE OF 42.5 DEGREES...AND TIES FOR 58TH WARMEST FALL SEASON ON RECORD. THE HIGHEST TEMPERATURE FOR THE FALL WAS 83 DEGREES ON SEPTEMBER 19. THE LOWEST TEMPERATURE FOR THE FALL WAS -2 DEGREES ON THE NOVEMBER 12. NO MONTHLY TEMPERATURE RECORDS WERE BROKEN THIS FALL. THE FALL OF 2019 WAS ABOVE NORMAL FOR PRECIPITATION WITH A TOTAL OF 12.48 INCHES RECORDED FOR THE SEASON. THIS WAS 3.43 INCHES ABOVE THE NORMAL VALUE OF 9.05 INCHES...AND IS THE 6TH WETTEST SEASON ON RECORD. THE GREATEST AMOUNT OF PRECIPITATION IN A 24 HOUR PERIOD OCCURRED ON SEPTEMBER 9 WHEN 1.37 INCHES WAS RECORDED. AT LEAST 0.01 INCHES OF PRECIPITATION FELL ON 46 DAYS. AT LEAST 0.10 INCHES FELL ON 26 DAYS. AT LEAST 0.50 INCHES FELL ON 7 DAYS. AT LEAST 1 INCH FELL ON 4 DAYS. NO MONTHLY PRECIPITATION RECORDS WERE BROKEN THIS FALL. THE FALL OF 2019 WAS ABOVE NORMAL FOR SNOWFALL WITH A TOTAL OF 28.6 INCHES RECORDED FOR THE SEASON. THIS WAS 12.5 INCHES ABOVE THE NORMAL OF 16.1 INCHES...AND THE 10TH SNOWIEST FALL ON RECORD. THE GREATEST AMOUNT OF SNOWFALL IN A 24 HOUR PERIOD OCCURRED ON NOVEMBER 30 WHEN 14.5 INCHES OF SNOW WAS RECORDED. SNOW WAS RECORDED ON 37 DAYS AND 1 INCH OR MORE WAS MEASURED ON 3 DAYS. NO MONTHLY SNOWFALL RECORDS WERE BROKEN FOR THE FALL. THE AVERAGE WIND SPEED FOR THE FALL WAS 10.6 MPH. THE HIGHEST SUSTAINED WIND OCCURRED ON OCTOBER 21 WITH A WIND FROM THE EAST AT 41 MPH. THE HIGHEST PEAK WIND GUST OF 60 MPH ALSO OCCURRED ON OCTOBER 21. THERE WERE 1953 HEATING DEGREE DAYS FOR THE FALL WHICH WAS 111 BELOW THE NORMAL OF 2064. THERE WERE 20 COOLING DEGREE DAYS FOR THE FALL WHICH WAS 6 ABOVE THE NORMAL OF 14. THE OUTLOOK FOR WINTER...NORMAL HIGHS START IN THE UPPER 20S IN EARLY DECEMBER AND COOL TO THE UPPER TEENS ABOVE ZERO BY MID JANUARY. BY THE END OF FEBRUARY HIGHS WARM BACK UP TO THE UPPER 20S. NORMAL LOWS START IN THE MID TEENS ABOVE ZERO IN EARLY DECEMBER AND COOL TO NEAR ZERO BY MID JANUARY. BY THE END OF FEBRUARY LOWS WARM UP TO THE LOW TEENS ABOVE ZERO. NORMAL PRECIPITATION FOR THE WINTER IS 2.98 INCHES. NORMAL SNOWFALL FOR THE WINTER IS 49.5 INCHES. THE CLIMATE PREDICTION CENTER OUTLOOK FOR THE WINTER SEASON INDICATES THERE IS NO STRONG SIGNAL FOR EITHER ABOVE OR BELOW NORMAL TEMPERATURES AND A TREND FOR MORE PRECIPITATION THAN AVERAGE. $$ KLH