Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 290859

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT SAT JUL 29 2017

...Today in metro Denver weather history...

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. 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.
18-2  In 1987...a streak of 16 consecutive days of 90 degrees
        ranked 4th on the list of hot streaks.  The record of
        24 consecutive days was established in the summer of
27-31 In 1956...96 percent of the total precipitation for the month
        of July occurred over the last five days of the month.
        Heavy thunderstorms produced 4.00 inches of rainfall at
        Stapleton Airport.  This amount of precipitation in 5 days
        or less had been exceeded only 3 times in previous record.
        The last time had been in December of 1913 as snow.
        Considerable property damage occurred across metro Denver
        from flooding.
28-30 In 1889...dense smoke from forest fires in the mountains
        obscured the sun over the city for three days.
      In 1971...a vigorous cold front late on the 28th produced
        northeast wind gusts to 39 mph and record breaking cold
        temperatures on the 29th and 30th.  The temperature dipped
        to 47 degrees on the 29th and 43 degrees on the 30th...
        setting record minimums for the dates.  Upslope cloudiness
        along with rain and fog early on the 29th helped set a
        record low maximum temperature of 58 degrees for the date.
29    In 1878...a total eclipse of the sun was observed at 2:20 PM.
        From before to during the eclipse...the temperature in the
        sun fell from 114 degrees to 82 degrees...while the shade
        temperature fell from 89 degrees to 83 degrees.
      In 1880...heavy thunderstorm rain and hail flooded streets
        and ditches.  In 25 minutes...0.76 inch of rain fell on the
        city along with large hail to 3/4 inch in diameter.  There
        were no strong winds with the storm.
      In 1890...a thunderstorm produced sustained west winds to
        48 mph with gusts to 60 mph...but only 0.01 inch of rain.
      In 1956...heavy rain and hail fell over west and north Denver.
      In 1964...hail to 3/4 inch in diameter fell at Lowry Airfield.
      In 1978...a small tornado was sighted just east of Parker.  No
        damage was reported.
      In 1989...heavy rain drenched all areas of the Front Range...
        both in the foothills and adjacent plains.  Amounts of 1 to
        3 inches were general over the area.  Damage was confined to
        a few minor road washouts and some street...basement...and
        crop flooding.  Thunderstorm rainfall totaled 1.44 inches at
        Stapleton International Airport where north winds gusted to
        43 mph.  Lightning struck a 250 thousand dollar home near
        Nederland and started a fire which destroyed all of it
        except two garages.  Lightning started a fire in a home in
        Evergreen.  It reached the house by hitting a tree...then
        traveling through a metal clothesline strung between the
        tree and the building.
      In 1995...thunderstorm winds gusted to 59 mph in Brighton.
        Thunderstorm winds from the south-southeast gusted to 41
        mph at Denver International Airport.  High temperature
        of 99 degrees was a new record maximum for the date in
      In 1997...heavy rain caused flooding in an apartment building
        in Westminster.  Several residents had to be evacuated from
        their apartments.  A woman in Aspen Park received minor
        injuries...when lightning passed through an office window
        and struck her.  She suffered temporary blindness for about
        15 minutes.
      In 2003...hail as large as 1 inch in diameter pelted Conifer...
        Highlands Ranch...and Franktown.
29-30 In 1997...heavy rain caused flooding and flash flooding in
        central portions of Adams and Arapahoe counties.  Two
        homes were extensively damaged when water flooded the
        basements and adjacent pasture area in Strasburg.  Water
        4 to 5 feet deep had pooled in the lower lying areas of
        the town.  A portion of Quincy Road was closed in Arapahoe
        County when 4 feet of water covered the roadway.
        Rainfall totaled 3.06 inches at Denver International
        Airport...establishing a new record for 24-hour rainfall
        in July.  The previous record was 2.42 inches set in 1965
        on the 24th and 25th.

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