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The super hot July of 1921 - Eastern US Weather Forums

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The super hot July of 1921


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#1 Ottawa blizzard

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Posted 27 March 2010 - 11:16 PM

I was browsing through some old records and noticed how astoundingly hot the summer of 1921 was in Ontario, particularly July 1921. When you consider the fact that air conditioning was practically non existant back then, it really puts into perspective how severe this event must have been. Not even July 1988 can beat it up here.

Ottawa July 1921: http://climate.weath...&Month=7&Day=26

Toronto July 1921: http://climate.weath...&Month=7&Day=26

Simply incredible heat. I can only imagine that the midwestern and northeastern US must have been even hotter. I wonder what conditions existed that year? A La Nina?

#2 ElTacoman

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Posted 27 March 2010 - 11:19 PM

View PostOttawa blizzard, on 27 March 2010 - 11:16 PM, said:

I was browsing through some old records and noticed how astoundingly hot the summer of 1921 was in Ontario, particularly July 1921. When you consider the fact that air conditioning was practically non existant back then, it really puts into perspective how severe this event must have been. Not even July 1988 can beat it up here.

Ottawa July 1921: http://climate.weath...&Month=7&Day=26

Toronto July 1921: http://climate.weath...&Month=7&Day=26

Simply incredible heat. I can only imagine that the midwestern and northeastern US must have been even hotter. I wonder what conditions existed that year? A La Nina?



Attached File  jul1921.png (111.79K)
Number of downloads: 13

#3 Ottawa blizzard

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Posted 27 March 2010 - 11:24 PM

View PostElTacoman, on 27 March 2010 - 11:19 PM, said:


Looks like it was a Great Lakes special

#4 daddylonglegs

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Posted 27 March 2010 - 11:30 PM

It ranks number 8 here for that month.. Looks like it was similar to 2006, at least for avg monthly temp.

#5 daddylonglegs

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Posted 27 March 2010 - 11:31 PM

Looks more like a Hudson Bay special!

#6 uncle w1

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Posted 28 March 2010 - 07:03 AM

August 1921 just missed being a top ten coolest for NYC...September was warmer than August...That could be the only September that was warmer than August on average in NYC...

#7 Meatwad

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Posted 28 March 2010 - 08:08 AM

It was Pittsburgh's 5th Warmest July on record, Same way with September.
June was also a Torch. August was basically Normal. But it was at a time where Records were kept in downtown instead of the current location.

June 1921: 73
July 1921: 77.6
August 1921: 70.2
September 1921: 70.8

#8 RIC Airport

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Posted 28 March 2010 - 09:32 AM

Warmer than average at RIC, but does not rank into the top 10. One interesting thing to note, however, is the JJA 1921 ranks as the driest summer on record.

Daily Lister

Station: RICHMOND CHIMBORAZO PARK 
State: VA 
ID: 447206 
Latitude:  37.53 degrees 
Longitude: -77.42 degrees 
Elevation: 162 feet 
Station period of record: 01/01/1887-03/31/1954

CLIMOD product: Daily Lister
Creation Time: 03/28/2010 10:31 EDT
Column Delimiter: tab

Date	Min Temp	Max Temp	Precip
mm/dd/yyyy	degF	degF	inch
07/01/1921	 71	 87	 0.06
07/02/1921	 70	 90	 0.00
07/03/1921	 72	 93	 0.00
07/04/1921	 71	 95	 0.00
07/05/1921	 72	 91	 0.00
07/06/1921	 73	 88	 0.00
07/07/1921	 70	 93	 0.00
07/08/1921	 72	 97	 0.00
07/09/1921	 72	 94	 0.07
07/10/1921	 71	 91	 0.39
07/11/1921	 73	 90	 0.00
07/12/1921	 72	 84	 0.00
07/13/1921	 70	 89	 0.00
07/14/1921	 72	 88	 0.09
07/15/1921	 71	 87	 1.02
07/16/1921	 70	 84	 0.00
07/17/1921	 65	 86	 0.00
07/18/1921	 66	 88	 0.00
07/19/1921	 73	 90	 0.00
07/20/1921	 72	 90	 0.01
07/21/1921	 68	 86	 0.00
07/22/1921	 68	 77	 0.00
07/23/1921	 62	 85	 0.00
07/24/1921	 67	 88	 0.00
07/25/1921	 69	 94	 0.26
07/26/1921	 68	 91	 0.00
07/27/1921	 70	 93	 0.00
07/28/1921	 72	 95	 0.00
07/29/1921	 72	 94	 0.46
07/30/1921	 72	 91	 0.00
07/31/1921	 70	 97	 0.00


#9 cape.breton

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Posted 30 March 2010 - 07:55 PM

It was also a warm month here in Nova Scotia (relatively speaking). Here is a link for weather data from Antigonish, NS... a valley town that has lots of over-land fetch in a SW flow, so there isn't much marine influence there durring summer. It was a heatwave by definition, with the hottest day hitting 35.0C (95F).

Antigonish, NS
http://climate.weath...1&Month=7&Day=1

#10 tamarack

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Posted 31 March 2010 - 09:23 AM

Farmington, Maine's warmest months:

July, 1921...73.26
July, 1952...73.02
Aug., 1937...72.71
July, 1896...72.68
No other months averaged 72 or above.

However, the all time hot spell was July 4-11, 1911, when Farmington had 3 days at 102 plus its hottest ever, 104 on 7/10/11 - same day Bridgton set the state record with 105. July 1911 averaged 71.89, #5 for warmest months. Farmington has touched 100 on 14 days since records began in 1893, and 4 came in that 8-day stretch (and only 2 have come after it, 6/29/44 and Hot Saturday in 8/75.)

#11 Chicago WX

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Posted 01 April 2010 - 08:32 AM

July 1921 was warm here no doubt, but it doesn't hold a candle to the super hot and dry July of 1936.

Here's the daily numbers from both months from the West Lafayette COOP.

July 1921

1921-07-01	94.0	72.0	0
1921-07-02	92.0	72.0	0
1921-07-03	94.0	72.0	0
1921-07-04	97.0	76.0	0
1921-07-05	98.0	72.0	0
1921-07-06	98.0	71.0	0.35
1921-07-07	96.0	67.0	1.85
1921-07-08	90.0	73.0	0
1921-07-09	90.0	69.0	0.13
1921-07-10	92.0	68.0	0
1921-07-11	93.0	68.0	0
1921-07-12	96.0	72.0	0
1921-07-13	96.0	70.0	0
1921-07-14	97.0	70.0	0
1921-07-15	91.0	70.0	0.82
1921-07-16	88.0	65.0	0
1921-07-17	92.0	65.0	0
1921-07-18	94.0	73.0	0
1921-07-19	92.0	73.0	0.45
1921-07-20	89.0	64.0	0
1921-07-21	88.0	58.0	0
1921-07-22	87.0	60.0	0
1921-07-23	90.0	63.0	0
1921-07-24	89.0	66.0	0
1921-07-25	89.0	70.0	0
1921-07-26	91.0	70.0	0
1921-07-27	91.0	75.0	0
1921-07-28	95.0	75.0	0
1921-07-29	83.0	68.0	1.06
1921-07-30	88.0	70.0	0
1921-07-31	88.0	67.0	0


July 1936

1936-07-01	86.0	60.0	0.11
1936-07-02	88.0	65.0	0
1936-07-03	94.0	64.0	0.005
1936-07-04	99.0	71.0	0.05
1936-07-05	104.0	66.0	0
1936-07-06	103.0	68.0	0
1936-07-07	108.0	70.0	0
1936-07-08	109.0	75.0	0
1936-07-09	103.0	77.0	0
1936-07-10	107.0	73.0	0.005
1936-07-11	108.0	78.0	0
1936-07-12	110.0	76.0	0.04
1936-07-13	110.0	75.0	0
1936-07-14	111.0	79.0	0
1936-07-15	105.0	78.0	0
1936-07-16	101.0	75.0	0
1936-07-17	103.0	70.0	0
1936-07-18	96.0	73.0	0
1936-07-19	88.0	66.0	0.05
1936-07-20	88.0	61.0	0.13
1936-07-21	88.0	58.0	0.04
1936-07-22	91.0	61.0	0
1936-07-23	96.0	74.0	0
1936-07-24	94.0	66.0	0.005
1936-07-25	91.0	68.0	0.005
1936-07-26	101.0	75.0	0
1936-07-27	102.0	81.0	0
1936-07-28	95.0	70.0	0.2
1936-07-29	93.0	66.0	0
1936-07-30	83.0	53.0	0
1936-07-31	88.0	56.0	0


#12 roardog

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Posted 01 April 2010 - 09:05 AM

View PostChicago WX, on 01 April 2010 - 08:32 AM, said:

July 1921 was warm here no doubt, but it doesn't hold a candle to the super hot and dry July of 1936.

Here's the daily numbers from both months from the West Lafayette COOP.

July 1921

1921-07-01	94.0	72.0	0
1921-07-02	92.0	72.0	0
1921-07-03	94.0	72.0	0
1921-07-04	97.0	76.0	0
1921-07-05	98.0	72.0	0
1921-07-06	98.0	71.0	0.35
1921-07-07	96.0	67.0	1.85
1921-07-08	90.0	73.0	0
1921-07-09	90.0	69.0	0.13
1921-07-10	92.0	68.0	0
1921-07-11	93.0	68.0	0
1921-07-12	96.0	72.0	0
1921-07-13	96.0	70.0	0
1921-07-14	97.0	70.0	0
1921-07-15	91.0	70.0	0.82
1921-07-16	88.0	65.0	0
1921-07-17	92.0	65.0	0
1921-07-18	94.0	73.0	0
1921-07-19	92.0	73.0	0.45
1921-07-20	89.0	64.0	0
1921-07-21	88.0	58.0	0
1921-07-22	87.0	60.0	0
1921-07-23	90.0	63.0	0
1921-07-24	89.0	66.0	0
1921-07-25	89.0	70.0	0
1921-07-26	91.0	70.0	0
1921-07-27	91.0	75.0	0
1921-07-28	95.0	75.0	0
1921-07-29	83.0	68.0	1.06
1921-07-30	88.0	70.0	0
1921-07-31	88.0	67.0	0


July 1936

1936-07-01	86.0	60.0	0.11
1936-07-02	88.0	65.0	0
1936-07-03	94.0	64.0	0.005
1936-07-04	99.0	71.0	0.05
1936-07-05	104.0	66.0	0
1936-07-06	103.0	68.0	0
1936-07-07	108.0	70.0	0
1936-07-08	109.0	75.0	0
1936-07-09	103.0	77.0	0
1936-07-10	107.0	73.0	0.005
1936-07-11	108.0	78.0	0
1936-07-12	110.0	76.0	0.04
1936-07-13	110.0	75.0	0
1936-07-14	111.0	79.0	0
1936-07-15	105.0	78.0	0
1936-07-16	101.0	75.0	0
1936-07-17	103.0	70.0	0
1936-07-18	96.0	73.0	0
1936-07-19	88.0	66.0	0.05
1936-07-20	88.0	61.0	0.13
1936-07-21	88.0	58.0	0.04
1936-07-22	91.0	61.0	0
1936-07-23	96.0	74.0	0
1936-07-24	94.0	66.0	0.005
1936-07-25	91.0	68.0	0.005
1936-07-26	101.0	75.0	0
1936-07-27	102.0	81.0	0
1936-07-28	95.0	70.0	0.2
1936-07-29	93.0	66.0	0
1936-07-30	83.0	53.0	0
1936-07-31	88.0	56.0	0


I hope I'm dead before we ever experience another month like July '36 here in the midwest.





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