184  
NOUS45 KBOU 150859  
PNSBOU  
COZ030>051-152300-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
259 AM MDT TUE JUL 15 2025  
   
..TODAY IN METRO DENVER WEATHER HISTORY
 
 
7-25 IN 1934...A STREAK OF 15 CONSECUTIVE DAYS OF 90 DEGREES...FROM THE  
7TH TO THE 25TH...RANKED 5TH ON THE LIST OF HOT STREAKS. THE  
RECORD OF 24 CONSECUTIVE DAYS WAS ESTABLISHED IN THE SUMMER OF  
2008.  
13-5 IN 2008...A STREAK OF 24 CONSECUTIVE DAYS OF 90 DEGREES...FROM  
JULY 13TH TO AUGUST 5TH...SHATTERED THE PREVIOUS RECORD OF 18  
CONSECUTIVE DAYS ESTABLISHED IN 1901 AND 1874. IRONICALLY...  
NO NEW SINGLE DAY RECORD HIGH TEMPERATURES WERE SET IN THE  
MONTH OF JULY. IN AUGUST HOWEVER...A RECORD OF 104 DEGREES  
WAS SET ON THE 1ST...AND ANOTHER RECORD OF 103 DEGREES WAS  
SET ON THE 2ND. IN ADDITION...A RECORD LOW MIN OF 70 DEGREES  
WAS SET ON AUGUST 2ND.  
14-15 IN 1985...FROM THE 14TH INTO THE 15TH...THUNDERSTORMS DUMPED  
HEAVY RAIN AND HAIL AT NUMEROUS LOCATIONS ALONG THE FRONT  
RANGE FROM DENVER NORTH. SOME OF THE HEAVIEST RAIN FELL  
IN NORTHERN AND WESTERN SUBURBS OF DENVER. UP TO 2.6  
INCHES OF RAIN DRENCHED ARVADA...AND THORNTON WAS SOAKED  
WITH 2 INCHES IN 45 MINUTES. AT LEAST 5 HOMES IN ARVADA  
SUFFERED EXTENSIVE DAMAGE FROM WATER AND MUD...AND MANY  
STREETS AND BASEMENTS WERE FLOODED. IN SOUTHERN JEFFERSON  
COUNTY...11 HOMES WERE STRUCK BY LIGHTNING.  
15 IN 1879...A TERRIFIC HAILSTORM OCCURRED IN THE VICINITY OF  
OF BUFFALO STATION ON THE SOUTH PARK RAILROAD IN THE  
SOUTH PLATTE RIVER CANYON ABOUT 39 MILES SOUTH OF DENVER.  
STONES AS LARGE AS HEN'S EGGS FELL THICK AND FAST AND BROKE  
NEARLY EVERY PANE OF GLASS IN THE WINDOWS OF THE BUILDING.  
A "WATERSPOUT" OR CLOUDBURST CAUSED MUCH LOSS OF PROPERTY  
FROM FLASH FLOODING ON A NEARBY GULCH. THE TORRENT OF  
WATER CAUSED A DEAFENING ROAR AS IT UPROOTED TREES AND  
CARRIED HUGE BOULDERS AND OTHER DEBRIS. IT STRUCK THE  
HOUSE AND SAWMILL SIMULTANEOUSLY AND CARRIED THEM AWAY  
LIKE STRAWS...LEAVING LITTLE BEHIND. THE WATER CONTINUED  
TO RUSH DOWN THE GULCH FOR SEVERAL HOURS. SERIOUS DAMAGE  
WAS DONE TO THE SOUTH PARK RAILROAD. THE TRACK AND  
ROADBED WERE DESTROYED FOR SEVERAL MILES. AT ABOUT THE  
SAME TIME...HEAVY RAINS IN THE VICINITY OF THE HEADWATERS  
OF CHERRY CREEK PRODUCED A RAPID RISE IN THE CREEK...WHICH  
DROWNED A FEW HEAD OF CATTLE AND WASHED AWAY TWO FOOTBRIDGES  
AND SOME FENCES. ONLY 0.10 INCH OF RAINFALL WAS RECORDED IN  
DENVER.  
IN 1896...A THUNDESTORM PRODUCED SUSTAINED SOUTHWEST WINDS TO  
40 MPH WITH GUSTS TO 46 MPH.  
IN 1902...THE TEMPERATURE REACHED A HIGH OF 100 DEGREES IN  
DOWNTOWN DENVER...WHICH WAS A RECORD MAXIMUM FOR THE DATE.  
IN 1929...A THUNDERSTORM DID CONSIDERABLE DAMAGE TO PROPERTY  
IN THE EASTERN PORTION OF THE CITY. HEAVY HAIL RANGING  
IN SIZE FROM 1/4 TO 3/4 INCH IN DIAMETER...SEVERE LIGHTNING...  
AND HIGH WINDS ACCOMPANIED THE HEAVY RAIN. BASEMENTS WERE  
FLOODED...AND STREETS WERE IMPASSABLE IN PLACES FOR SEVERAL  
HOURS DUE TO THE HEAVY RAINFALL. LIGHTNING DAMAGED SEVERAL  
TELEPHONE POLES. HAIL DID EXTENSIVE DAMAGE TO GARDENS AND  
FLOWERS. THE HAIL WAS UP TO A FOOT DEEP IN PLACES. THERE  
WAS NO ESTIMATE OF DAMAGE FROM THE STORM. A THUNDERSTORM  
PRODUCED ONLY A TRACE OF RAIN AND EAST WINDS TO 24 MPH IN  
DOWNTOWN DENVER.  
IN 1959...THUNDERSTORM RAIN TOTALED 0.41 INCH IN 8 MINUTES  
AND WINDS GUSTED TO AN ESTIMATED 50 MPH NEAR DOWNTOWN  
AURORA WHERE HALF INCH DIAMETER HAIL WAS ALSO REPORTED.  
AFTER THE STORM MOVED TO THE EAST...COMPLETE DOUBLE RAINBOWS  
WERE OBSERVED FROM THE WEATHER BUREAU OFFICE AT STAPLETON  
AIRPORT.  
IN 1962...HAIL PELTED THE AREA IN ADAMS COUNTY AROUND HENDERSON  
AND BRIGHTON...CAUSING EXTENSIVE DAMAGE TO CORN...GRAIN...  
BEETS...AND ROW CROPS. CROP DAMAGE WAS ESTIMATED AT 250  
THOUSAND DOLLARS.  
IN 1963...A MAN RECEIVED SEVERE BURNS WHEN STRUCK BY LIGHTNING  
WHILE PAINTING A BUILDING IN SOUTH DENVER.  
IN 1965...A STATE PATROLMAN SIGHTED A TORNADO NEAR BENNETT. IT  
TOUCHED DOWN OVER OPEN GROUND...BUT CAUSED NO DAMAGE.  
IN 1967...HEAVY RAINS FLOODED STREETS AND UNDERPASSES IN SOUTH  
DENVER. HEAVY RAIN AND MINOR WIND DAMAGE WERE REPORTED IN  
WHEAT RIDGE...AURORA...ENGLEWOOD...AND LITTLETON. BASEMENTS  
WERE FLOODED AND POWER DISRUPTED. THE CLOUDS AND RAIN  
RESULTED IN A HIGH TEMPERATURE OF ONLY 72 DEGREES...WHICH  
WAS A RECORD LOW MAXIMUM FOR THE DATE.  
IN 1974...A SEVERE LIGHTNING STORM DAMAGED SEVERAL HOMES AND  
CAUSED A NUMBER OF POWER OUTAGES IN BOTH DENVER AND WESTERN  
ARAPAHOE COUNTIES.  
IN 1975...LIGHTNING KILLED A GIRL WEST OF BOULDER.  
IN 1982...WINDS GUSTED TO 60 MPH AT STAPLETON INTERNATIONAL  
AIRPORT...AND STRONG WINDS BLEW DOWN WALLS AT A CONSTRUCTION  
SITE IN AURORA WHERE A NEARBY TREE WAS UPROOTED.  
IN 1985...0.79 INCH OF RAIN FELL IN 30 MINUTES AT CASTLE  
ROCK. MUCH OF THE TOWN LOST POWER WHEN LIGHTNING STRUCK  
THE TOWN'S TRANSFORMER.  
IN 1992...A MAN WAS STRUCK BY LIGHTNING WHILE HORSEBACK RIDING  
NEAR CASTLE ROCK. TWO PEOPLE WERE STRUCK BY LIGHTNING NEAR  
HIGHLANDS RANCH IN SOUTH METRO DENVER. A MAN WAS STRUCK BY  
LIGHTNING WHILE RIDING IN THE BACK OF A PICK-UP TRUCK IN  
FRANKTOWN. ALL RECEIVED MINOR INJURIES. STRONG  
THUNDERSTORMS MOVED THROUGH EAST METRO DENVER...PRODUCING  
LARGE HAIL AND FLASH FLOODING. HAIL UP TO 1 1/4 INCHES IN  
DIAMETER FELL NEAR BUCKLEY AIR NATIONAL GUARD BASE.  
RAINFALL OF 1 TO 3 INCHES FELL IN AURORA IN LESS THAN AN  
HOUR...LEAVING WATER UP TO 18 INCHES DEEP IN SOME AREAS.  
THUNDERSTORM RAINFALL WAS MEASURED AT 0.97 INCH AT  
STAPLETON INTERNATIONAL AIRPORT...WHERE 3/8TH INCH DIAMETER  
HAIL FELL AND SOUTH WINDS GUSTED TO 44 MPH.  
IN 1993...DIME SIZE HAIL FELL IN GOLDEN. NATIONAL WEATHER  
SERVICE OBSERVERS AT STAPLETON INTERNATIONAL AIRPORT  
SIGHTED A SMALL ROPE-LIKE FUNNEL OVERHEAD FOR ABOUT 3  
MINUTES BEFORE IT DISSIPATED.  
IN 1994...A SMALL...SHORT-LIVED TORNADO CAUSED DAMAGE TO A HOUSE  
UNDER CONSTRUCTION IN PARKER.  
IN 1995...THUNDERSTORM WINDS OF UNKNOWN STRENGTH DOWNED TREES  
AND BRANCHES...DAMAGING A PORCH AND NEARBY CARS IN DENVER.  
IN 1998...HAIL TO 7/8 INCH IN DIAMETER FELL NEAR KEENESBURG.  
IN 2000...THIS DATE MARKED THE END OF A NEAR RECORD HOT STREAK  
FOR METRO DENVER. THE HIGH TEMPERATURE AT DENVER  
INTERNATIONAL AIRPORT EQUALED OR EXCEEDED THE 90-DEGREE  
MARK FOR 17 CONSECUTIVE DAYS...FROM JUNE 29TH. THIS WAS  
ONE DAY SHORT OF EQUALING THE ALL TIME RECORD. THE  
RECORD OF 18 CONSECUTIVE DAYS WAS SET IN TWO DIFFERENT  
YEARS...JULY 1ST-18TH...1874 AND JULY 6TH-23RD...1901.  
IN 2005...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL OVER  
SOUTHEAST METRO DENVER. HAIL AS LARGE AS 1.75 INCHES  
IN DIAMETER FELL IN SOUTHWEST AURORA ALONG WITH 7/8 INCH  
HAIL IN CENTENNIAL. HAIL TO 3/4 INCH IN DIAMETER WAS  
MEASURED NEAR CENTENNIAL AIRPORT AND NEAR WATKINS.  
IN 2015...A SEVERE THUNDERSTORM PRODUCED A PEAK WIND GUST TO  
60 MPH FROM THE NORTHWEST AT DENVER INTERNATIONAL AIRPORT.  
IN ADDITION...0.06 INCHES OF RAINFALL WAS ALSO OBSERVED.  
IN 2016...LARGE HAIL RANGING IN SIZE FROM 1 TO 2 INCHES IN  
DIAMETER STRUCK AURORA...CASTLE ROCK...CENTENNIAL...GREENWOOD  
VILLAGE AND SOUTHEAST DENVER. THE HAIL SHATTERED  
WINDSHIELDS AND CAUSED EXTENSIVE DAMAGE TO VEHICLES.  
15-16 IN 2006...A BRIEF MID JULY HOT SPELL RESULTED IN TWO 100  
PLUS DEGREE HIGH TEMPERATURES AND TWO DAILY MAXIMUM  
TEMPERATURE RECORDS. THE HIGH TEMPERATURE CLIMBED TO  
101 DEGREES ON THE 15TH AND 103 DEGREES ON THE 16TH  
AT DENVER INTERNATIONAL AIRPORT.  
 

 
 
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