NOUS43 KLOT 220844
PNSLOT
Public Information Statement
National Weather Service Chicago IL
344 AM CDT Fri Sep 22 2017 /444 AM EDT Fri Sep 22 2017/
...Record Late Season Heat Numbers...
Late September 2017 is seeing near to record warmth across a
sizable portion of the Midwest, including northern Illinois and
northwest Indiana. Following are climatological numbers to put
this ongoing late season heat into perspective.
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CHICAGO
Records date back to 1871.
Date 2017 High Record High 2017 Low Record Warm Minimum
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9/20 92* 91 (1931) 62 73 (1931)
9/21 94* 92 (1970) 72 76 (1931)
9/22 92 (1956) 73 (1895)
9/23 91 (1937) 71 (1891)
9/24 91 (1891) 71 (1930)
9/25 90 (1933) 76 (1931)
* = Record
2017 has seen the latest 90+ since 2007 (Sept 24).
Latest 90+ degree reading on record: Oct 6, 1963 (94)
Latest 95+ degree reading on record: Sept 29, 1953 (99)
Latest stretches of 3+ consecutive days of 90+:
1. Sept 30-Oct 2, 1971
2. Sept 19-22, 1895
Latest the annual high temperature occurred: Sept 14 in 1893,
1915, and 1927.
The highest temperature in 2017 has been 95 on June 12.
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ROCKFORD
Records date back to 1905.
Date 2017 High Record High 2017 Low Record Warm Minimum
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9/20 91 92 (1920) 63 74 (1895)
9/21 89 94 (1920) 69 70 (1895)
9/22 93 (1937) 65 (1959)
9/23 92 (1937) 66 (1920)
9/24 92 (1920) 70 (1930)
9/25 95 (1920) 69 (1972)
* = Record
2017 has seen the latest 90+ since 2010 (Oct 9).
Latest 90+ degree reading on record: Oct 9, 2010 (90)
Latest 95+ degree reading on record: Sept 25, 1920 (95)
Latest stretches of 2+ consecutive days of 90+:
1. Oct 2-5, 1922
2. Sept 30-Oct 1, 1971
3. Sept 24-26, 1920
4. Sept 22-23, 1937
Latest the high temperature in a year occurred: Sept 15, 1927
(99)
The highest temperature in 2017 has been 94 on June 11 and 12.
For more, please see weather.gov/chicago and click on Climate
and Past Weather.
https://goo.gl/P63NLx
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