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Colorado, Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Public Information Statement

Statement as of 2:59 AM MDT on July 04, 2015

... 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.
4 in 1874... the temperature reached a high of 102 degrees in
        downtown Denver. Large Forest fires in the mountains from
        the west-northwest to the south filled the atmosphere over
        the city with dense smoke.
      In 1885... a thunderstorm produced sustained winds to 44 mph
        with gusts to 60 mph. A circus tent was tattered by the
        strong winds.
      In 1900... a thunderstorm produced northwest winds sustained to
        42 mph with gusts to 51 mph... but only 0.05 inch of rain.
      In 1903... the all time lowest temperature ever recorded in
        July... 42 degrees... occurred. The temperature also occurred
        on July 31... 1873.
      In 1910... thunderstorm winds were sustained to 42 mph from the
      In 1922... thunderstorm winds were sustained to 37 mph with
        gusts to 48 mph.
      In 1956... a thunderstorm wind gust to 54 mph was recorded at
        Stapleton Airport.
      In 1964... several men were knocked down by a Bolt of lightning
        while playing Golf in south Metro Denver. They got up and
        ran for cover when one of them was struck by a second Bolt.
        He suffered Burns and shock.
      In 1987... a weak tornado was observed for 6 minutes... 7 miles
        northeast of Watkins. Hail 3/4 to 1 1/4 inches in diameter
        fell in southeast Aurora.
      In 1988... lightning struck a group of people at the Jefferson
        County Fairgrounds. A 42-year-Old Woman was seriously
        injured and was hospitalized for 3 days. Four other people
        sustained minor injuries.
      In 1993... strong northwest winds uprooted several trees across
        Metro Denver. Wind gusts to 64 mph were reported at Erie
        north of Denver. A west wind gust to 43 mph was recorded
        at Stapleton International Airport.
      In 1995... lightning struck and injured two people standing in
        a field in Arvada.
      In 1998... heavy thunderstorm rain... up to 2.75 inches... and
        Marble size hail combined to flood local roads and fields
        near Roggen.
      In 2002... heavy thunderstorm rain in the Hayman fire burn area
        caused flash flooding. In Jefferson County... gulch Road was
        washed out. In Douglas County... high water washed out some
        Forest access roads as well... generally to the east of a line
        extending from Signal Butte to Deckers.
      In 2010... intense thunderstorms produced torrential rainfall...
        in excess of 5 inches in one hour... and caused flash flooding
        in the vicinity of Elizabeth. Numerous County roads were
        washed out. The combination of heavy rain and hail made it
        necessary to run snow plows through town. Extensive
        basement flooding was also reported. Severe thunderstorms
        produced large hail from Aurora south to Elizabeth and
        Larkspur. The hail size ranged from 1 to 2 inches in
        diameter. A wet microburst produced 1.84 inches of rainfall
        at Denver International Airport. A peak wind gust to 48 mph
        was also observed from the northeast.
4-5 in 1875... 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.

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