Public Information Statement
Issued by NWS Denver/Boulder, CO
NOUS45 KBOU 150859
Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT FRI JUL 15 2016
...Today in metro Denver weather history...
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
13-5 In 2008...a streak of 24 consecutive days of 90 degrees
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
14-15 In 1985...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
15 In 1879...a terrific hail storm 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
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
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
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
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
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.
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.