343  
NOUS45 KBOU 050859  
PNSBOU  
COZ030>051-052300-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
259 AM MDT SUN JUL 5 2020  
   
..TODAY IN METRO DENVER WEATHER HISTORY
 
 
29-15 IN 2000...THE 29TH MARKED THE BEGINNING OF A NEAR RECORD HOT  
STREAK FOR METRO DENVER. THE HIGH TEMPERATURES...AS RECORDED  
AT DENVER INTERNATIONAL AIRPORT...EXCEEDED THE 90 DEGREE MARK  
FOR 17 CONSECUTIVE DAYS FROM JUNE 29TH THROUGH JULY 15TH.  
THE RECORD OF 24 CONSECUTIVE 90 DEGREE OR ABOVE DAYS WAS  
SET FROM JULY 13TH THROUGH AUGUST 5TH...2008.  
1-18 IN 1874...A STREAK OF 18 CONSECUTIVE DAYS OF 90 DEGREES...FROM  
THE 1ST TO THE 18TH...TIED FOR SECOND WITH ANOTHER STREAK  
THAT WAS LATER SET IN THE SUMMER OF 1901. THE RECORD OF 24  
CONSECUTIVE DAYS WAS ESTABLISHED IN THE SUMMER OF 2008.  
1-31 IN 2012...IT WAS THE HOTTEST JULY ON RECORD IN DENVER SINCE  
WEATHER RECORDS BEGAN IN 1872. THE AVERAGE TEMPERATURE FOR  
THE MONTH WAS 78.9 DEGREES WHICH WAS 4.7 DEGREES ABOVE  
NORMAL. THERE WERE 27 DAYS IN WHICH THE HIGH TEMPERATURE  
EQUALED OR EXCEEDED 90 DEGREES...WHICH ESTABLISHED A NEW  
RECORD. THERE WERE ALSO 7 DAYS IN WHICH THE TEMPERATURE  
EQUALED OR EXCEEDED 100 DEGREES WHICH TIED THE RECORD  
SET IN 2005.  
4-5 IN 1875...FROM THE 4TH TO THE 5TH...NEARLY EVERY RAILROAD RUNNING  
INTO THE CITY WAS DAMAGED BY HEAVY THUNDERSTORM RAINS. THE  
HEAVY RAINS WASHED OUT WOODEN BRIDGES OVER NORMALLY DRY CREEKS.  
SOME TRAINS WERE ENTIRELY SUSPENDED. IN THE CITY...HEAVY  
THUNDERSTORM RAIN TOTALED 1.05 INCHES ON THE 4TH...BUT  
ONLY 0.28 INCH ON THE 5TH.  
4-8 IN 1989...ONE OF THE MOST INTENSE HEAT WAVES ON RECORD ROASTED  
METRO DENVER. THE TEMPERATURE REACHED 100 DEGREES OR MORE  
ON 5 CONSECUTIVE DAYS. THE CITY HAD PREVIOUSLY NEVER  
RECORDED MORE THAN 2 STRAIGHT 100-DEGREE DAYS SINCE RECORDS  
BEGAN IN 1872. WATER AND ELECTRICITY USAGE REACHED ALL TIME  
HIGHS. THE HEAT WAVE CREATED EXTREMELY DRY WEATHER  
CONDITIONS...WHICH CONTRIBUTED TO A MAJOR FOREST FIRE IN  
BOULDER CANYON ON JULY 9TH. THE TEMPERATURE REACHED 103  
DEGREES ON THE 8TH...AND THE MERCURY CLIMBED TO 101 DEGREES  
ON BOTH THE 4TH AND 5TH...AND TO 102 DEGREES ON BOTH THE  
6TH AND 7TH. THE LOW TEMPERATURE OF 68 DEGREES ON THE 8TH  
EQUALED THE RECORD HIGH MINIMUM FOR THE DATE.  
5 IN 1908...A LATE EVENING THUNDERSTORM PRODUCED SUSTAINED NORTH  
WINDS TO 40 MPH...HAIL...AND 0.45 INCH OF PRECIPITATION.  
IN 1949...A DUST DEVIL...POSSIBLY A SMALL TORNADO...WAS OBSERVED  
3 MILES TO THE NORTHWEST OF STAPLETON AIRPORT.  
IN 1973...THE TEMPERATURE REACHED 100 DEGREES AT STAPLETON  
INTERNATIONAL AIRPORT.  
IN 1974...STRONG THUNDERSTORM WINDS DAMAGED A MOBILE HOME...A  
BARN...TWO HOUSES...AND SEVERAL SHEDS NEAR WATKINS.  
IN 1975...A THUNDERSTORM WIND GUST TO 53 MPH WAS RECORDED AT  
STAPLETON INTERNATIONAL AIRPORT. HAIL UP TO 3/4 INCH IN  
DIAMETER FELL OVER THE NORTHWEST SUBURBS AND IN NORTHWEST  
DENVER.  
IN 1977 THREE HOUSES IN DENVER WERE STRUCK BY LIGHTNING.  
SOME HEAVY DAMAGE AND FIRE OCCURRED.  
IN 1990...LIGHTNING CAUSED MINOR DAMAGE TO HOUSES IN CASTLE  
ROCK...LOUVIERS...AND LITTLETON.  
IN 1996...LIGHTNING CAUSED ONLY MINOR DAMAGE WHEN IT STRUCK  
A HOME IN EVERGREEN. LIGHTNING FROM A FAST MOVING  
THUNDERSTORM BLASTED A LARGE HOLE IN THE SIDE OF A HOUSE  
IN LAKEWOOD. LIGHTNING TRIGGERED A MINOR POWER OUTAGE IN  
THE BOULDER AREA. ABOUT 200 HOMES WERE AFFECTED.  
IN 2001...SEVERE THUNDERSTORM WINDS GUSTED TO 60 MPH AT DENVER  
INTERNATIONAL AIRPORT AND TO 70 MPH...7 MILES SOUTHWEST OF  
THE AIRPORT.  
IN 2008...MICROBURST WINDS DOWNED A LARGE TREE AND SOME POWER  
LINES NEAR A DENVER APARTMENT COMPLEX. SEVERAL OF THE  
TENANTS' VEHICLES WERE DAMAGED.  
IN 2009...A WET MICROBURST PRODUCED VERY STRONG WINDS IN AND  
JUST EAST OF DENVER. A PEAK WIND GUST OF 69 MPH WAS  
MEASURED 1.5 MILES EAST OF DENVER. IN ADDITION...1.50  
INCHES OF RAIN FELL IN 30 MINUTES. A PEAK WIND GUST TO  
68 MPH WAS ALSO OBSERVED NEAR BYERS. SOUTHWEST WINDS  
GUSTED TO 31 MPH AT DENVER INTERNATIONAL AIRPORT. THE  
AIRPORT ALSO RECIEVED 0.30 INCHES OF RAINFALL.  
 

 
 
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