Public Information Statement
Issued by NWS Denver/Boulder, CO
NOUS45 KBOU 100859
Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT SUN JUL 10 2016
...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
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.
6-23 In 1901...a streak of 18 consecutive days of 90 degrees
tied for second with another streak set in the summer of
1874. The record of 24 consecutive days was established in
the summer of 2008.
7-25 In 1934...a streak of 15 consecutive days of 90 degrees
ranked 5th on the list of hot streaks. The record of
24 consecutive days was established in the summer of
9-10 In 1980...a series of severe thunderstorms hit metro Denver...
dumping heavy rain and producing a spectacular lightning
display lasting for several hours. A number of homes were
damaged by lightning. Winds gusted to 60 mph at Stapleton
International Airport where about half an inch of rain fell
in just 10 minutes along with 1/4 inch diameter hail. The
evening thunderstorms continued into the early morning hours
with total rainfall of 1.35 inches at Stapleton International
In 1998...thunderstorm rainfall totaled 2.04 inches at the
site of the former Stapleton International Airport.
10 In 1878...a lunar rainbow was observed during a light mist and
In 1895...the temperature warmed to a high of only 53 degrees...
the all-time record lowest maximum temperature for the month
In 1967...golf ball size hail damaged aircraft at Jefferson
County Airport near Broomfield.
In 1983...two people were injured when struck by lightning
just southwest of Morrison. A man was injured when he was
swept downstream by a flash flood on a tributary of Clear
Creek in the canyon 8 miles west of Golden. Heavy
thunderstorm rains caused mudslides which closed several
roads. Rainfall amounts included: 1.75 inches in 20
minutes in southeast Denver...1.26 inches in 35 minutes in
Boulder...2.14 inches in 2 hours in Lakewood...1.70 inches in
45 minutes in Aurora...and 1.25 inches in 30 minutes atop
Floyd Hill in the foothills west of Denver.
In 1992...storm spotters reported 3/4 inch diameter hail
near the construction site of the new Denver airport just
northeast of the city.
In 1995...microburst winds toppled a pine tree 60 feet high
and 2 feet in diameter in Denver. The tree fell and
injured a man nearby. Microburst winds to 59 mph broke the
glass on a door at the National Weather Service Forecast
Office at the site of the former Stapleton International
In 1998...thunderstorm rainfall totaled 2.35 inches at
Denver International Airport.
In 2000...three children were injured...one critically...when
lightning hit a nearby tree at Panorama Point atop
Flagstaff Mountain just west of Boulder. Lightning hit
the tree...entered the ground...then struck the children.
Lightning sparked a grassfire that burned about 50 acres
at the Rocky Flats Environmental Test Facility. Also...
lightning sparked at least 6 fires in the Hudson and
Keenesburg areas as thunderstorms...accompanied with heavy
rain...large hail...and tornadoes...moved through southern
Weld County. Over 2 inches of very heavy rain caused
flooding along an I-76 exit ramp near Keenesburg. The
fire department rescued 15 stranded motorists as high
water inundated sections of the exit ramp and adjacent
highway. Basements were also flooded in Keenesburg.
One home reportedly had 7 feet of standing water in the
basement before the rain subsided. A weak tornado (F0)
touched down briefly near Brighton...but caused no damage.
In 2001...a severe thunderstorm dumped 7/8 inch diameter
hail in Wheat Ridge.
In 2002...severe thunderstorms pelted the southern suburbs
of metro Denver with large hail. Hail as large as
3 inches in diameter fell 6 miles southeast of Parker.
Other large hail reports included 2 inch diameter
hail around Centennial Airport and 3/4 inch hail near
Sedalia and Deckers. Hail as large as 3/4 inch was
also reported in Broomfield. Runoff from heavy
thunderstorm rainfall in the Hayman Fire burn area
flooded Lost Creek Ranch with up to 18 inches of water
just off State Highway 126. Floodwaters damaged a very
expensive rug in the lodge. A driveway to a residence
was washed away. In Douglas County...runoff damaged
forest access roads in the Turkey Creek drainage.
In 2011...a severe thunderstorm produced intense
microburst winds in southeast Boulder County. A peak
wind gust to 75 mph was recorded in Superior with
gust to 58 mph...2 miles south of Lafayette. At Denver
International Airport...a peak wind gust of 31 mph was