20 June in Weather History



Station data

Station Data

Records


-- no data for this day --


Statistics

Maximum temperature
The maximum measured temperature on this day was 96.8 °F in 2018 at 14.22.
Minimum temperature
The minimum measured temperature on this day was 57.9 °F in 2016 at 05.36.
Maximum humidity
The maximum measured humidity on this day was 97 %.
Minimum humidity
The minimum measured humidity on this day was 28 % in 2016 at 13.48.
Maximum pressure
The maximum measured pressure on this day was 30.32 inhg in 2016 at 00.18.
Minimum pressure
The minimum measured pressure on this day was 29.63 inhg in 2019 at 17.47.
Maximum wind speed
The maximum measured wind speed on this day was 13 mph in 2019 at 17.59.
Maximum wind gust
The maximum measured wind gust on this day was 28 mph in 2019 at 17.59.


US Weather Events

US Weather Events

1682 339 yrs ago
A major tornado ripped through southwestern Connecticut, passing through Stratford, Milford, and New Haven, and then into Long Island Sound. (Sandra and TI Richard Sanders - 1987)
1921 100 yrs ago
Circle, MT, received 11.5 inches of rain in 24 hours, a record for the state. The town of Circle received a total of 16.79 inches of rain that month to establish a rainfall record for any town in Montana for any month of the year. (The Weather Channel)
1928 93 yrs ago
A farmer near Greensburg, KS, looked up into the heart of a tornado. He described its walls as rotating clouds lit with constant flashes of lightning and a strong gassy odor with a screaming, hissing sound . (The Weather Channel)
1964 57 yrs ago
A squall line producing large hail swept through central Illinois. A second squall line moved through during the early morning hours of the 21st, and a third one moved through shortly after dawn. The series of hailstorms caused nine million dollars damage. Hailstones as large as grapefruit caused heavy damage to trees, utility lines, crops and buildings. The thunderstorms also produced as much as five inches of rain in an eight hour period. (David Ludlum)
1987 34 yrs ago
Thunderstorms prevailed east of the Rockies, producing severe weather in the Central High Plains Region. Thunderstorms spawned four tornadoes in Colorado, and produced wind gusts to 70 mph at Goodland, KS. (The National Weather Summary)
1988 33 yrs ago
Thirty-eight cities in the central U.S. reported record high temperatures for the date. Afternoon highs of 97 degrees at Flint, MI, and 104 degrees at Chicago, IL, equalled records for the month of June. Thunderstorms in North Dakota produced baseball size hail near Kief, and wind gusts to 100 mph near McGregor. (Storm Data)
1989 32 yrs ago
An early morning thunderstorm produced wind gusts to 61 mph at Pierre, SD, and the hot thunderstorm winds raised the temperature from 86 degrees at midnight to 96 degrees by 1 AM, and 104 degrees by 2 AM. Butte, MT, and Yellowstone Park, WY, reported snow that afternoon. (The National Weather Summary)
Data source: http://www.weatherforyou.com/


World Records

World Records


-- no data for this day --


F5 tornadoes

F5 tornadoes

1957 64 yrs ago
Fargo, North Dakota 2011 fatalities
1957 Fargo tornado – Many homes were leveled, with some swept completely away. Part of the Golden Ridge subdivision was swept away, with the debris scattered long distances into nearby fields. Fujita reportedly called this more intense than the 1965 Palm Sunday tornadoes he surveyed, some of which he rated F5 in the Chicago Damage Area Per Path Length (DAPPL).
Official F5/EF5; undisputed


Deadly earthquakes

Deadly earthquakes

1943-06-20 15.33 UTC 78 yrs ago
Turkey (map) , 15 km deep Magnitude: 6.2 UK
Total deaths resulting from an earthquake (Utsu catalog)336

1978-06-20 20.03 UTC 43 yrs ago
Greece (map) , 7.4 km deep Magnitude: 6.5
Deaths resulting from earthquake shaking50
Total fatalities resulting from earthquake shaking and secondary effects50
Total deaths resulting from an earthquake (Utsu catalog)50

1984-06-20 14.12 UTC 37 yrs ago
Canada (map) , 1 km deep Magnitude: 3.4 Lg
Deaths resulting from earthquake shaking0
Total fatalities resulting from earthquake shaking and secondary effects4
Total deaths resulting from an earthquake (Utsu catalog)4

1990-06-20 21.00 UTC 31 yrs ago
Iran (map) , 17.9 km deep Magnitude: 7.4
Secondary effectslandslide
Deaths resulting from earthquake shaking45000
Total fatalities resulting from earthquake shaking and secondary effects45000
Total deaths resulting from an earthquake (Utsu catalog)35000
Total deaths resulting from an earthquake (Emergency Events Database)40000

1994-06-20 09.09 UTC 27 yrs ago
Iran (map) , 10.8 km deep Magnitude: 5.9
Secondary effectslandslide
Deaths resulting from earthquake shaking3
Total fatalities resulting from earthquake shaking and secondary effects3
Total deaths resulting from an earthquake (Utsu catalog)3
Total deaths resulting from an earthquake (Emergency Events Database)2



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