Centretown Observatory:

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   STATISTICS from CTO Weather Centre -  August, 2025
   MONTHLY SUMMARY: MEANS AND TOTALS:

   Reading

Mean   

Normal   

RecHi   

Year

RecLo   

Year

   High Temp

    2021 2004

   Low Temp

    2021 2004

   Mean Temp

    2021 2004

   Dew Point

    2021 2012

   Relative Humidity

    62 % 73 % 2018 58 % 2013

   Barometric Pressure

    2013 2017

   Winds

    2023 2002

   - from

    ENE   WNW     N    
 

   Monthly Total

Total   

Normal   

RecMost   

YY

RecLeast   

YY

   Rain     2020 2021
   Snow     2015 2015
   - Water Equivalent mm     2015 2015
   Precipitation  

 

2020 2013

   Sunshine

    106  h 296  h 2017 0  h 2002
 

   MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:

   Reading

Max   

DD

Min   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   High Temperature

            2013-19 2009-30

   Low Temp

            2024-02 2024-04

   Humidex

              2021-22      

   Wind Chill

                    2024-04

   Dew Point

            2012-29 2024-04

   Relative Humidity

            99 % 2024-09 20 % 2019-01

   Barometric Pressure

              2023-21 2021-10

   Winds

            2015-02      

   - from

            WSW          
 

   Daily Total

Most   

DD

RecMost   

YY-DD

   Rain       2023-10
   Snow       2002-01
   Snow Equiv mm       2002-01
   Precipitation  

 

  2023-10

   Sunshine

      15:30  h 2014-18
 

   Daily Mean

Max   

DD

Min   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   Temperature

            2021-22 2024-04

   Dew Point

            2024-03 2012-30

   Relative Humidity

            94 % 2024-09 38 % 2019-01

   Barometric Pressure

            2013-24 2021-10

   Winds

            2023-01 2002-01

   - from

            NNW   N    
 
   EVENTS NEXT MONTH (10):  
   
Bombing of Hiroshima - August 6 @ 01:00
On this day in 1945, the United States detonated an atomic bomb over the Japanese city of Hiroshima. The bomb, nicknamed "Little Boy," killed up to an estimated 125,000 people.
   
Canada's Hundred Days - August 8 @ 01:00
In the final months of World War I, the period known as Canada's Hundred Days began. Innovations in tactics, and the combined and coordinated use of all available military resources, Allied troops, of which the Canadians were a significant part, drove the Germans out of France and through Belgium, ending the war. Canadian General Currie, and Australian General Monash, were especially prominent during this period.
   
Full Moon - August 8 @ 19:55
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
   
Bombing of Nagasaki - August 9 @ 01:00
On this day in 1945, the United States detonated an atomic bomb over the Japanese city of Nagasaki. The plutonium-based bomb, nicknamed "Fat Man," fell off-target but still managed to kill up to 80,000 people. It precipitated the end of World War II.
   
V-J Day - August 14 @ 01:00
Victory-in-Japan Day celebrates Japan's 1945 announcement that they would accept the Potsdam Declaration and surrender unconditionally. Formal surrender documents were signed September 2.
   
Last Quarter - August 15 @ 17:21
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
   
Dieppe Raid - August 19 @ 01:00
On this day in 1942, Operation Jubilee was launched against the French port town of Dieppe. Miscues and bungled communications led to the decimation of the mostly-Canadian invasion force, with over 3,300 casualties. In September 1944, Canadian soldiers returned to liberate Dieppe.
   
New Moon - August 22 @ 18:06
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
   
First Quarter - August 30 @ 18:25
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
   
Labour Day - August 31 @ 00:00
Canada and other countries take this day off in recognition of the accomplishments of workers.

 

Next Month:
 

   Day    MeanHigh    MeanLow    MeanTemp    AvRH    AvDP    AvBP    Prec    Sunrise       Sunset       Moon    Winds   
   1                62%                05:47       20:30       Waxing Gibbous    E @    
   2                60%                05:49       20:29       Waxing Gibbous    E @    
   3                60%                05:50       20:28       Waxing Gibbous    E @    
   4                59%                05:51       20:26       Waxing Gibbous    ENE @    
   5                63%                05:52       20:25       Waxing Gibbous    ENE @    
   6                58%                05:53       20:23       Waxing Gibbous    ENE @    
   7                63%                05:54       20:22       Full    ENE @    
   8                61%                05:56       20:21       Waning Gibbous    ENE @    
   9                60%                05:57       20:19       Waning Gibbous    WNW @    
   10                62%                05:58       20:18       Waning Gibbous    ENE @    
   11                65%                05:59       20:16       Waning Gibbous    ENE @    
   12                68%                06:00       20:14       Waning Gibbous    ENE @    
   13                69%                06:02       20:13       Waning Gibbous    ENE @    
   14                65%                06:03       20:11       Waning Gibbous    ENE @    
   15                62%                06:04       20:10       Last Quarter    ENE @    
   16                68%                06:05       20:08       Waning Crescent    E @    
   17                57%                06:06       20:06       Waning Crescent    ENE @    
   18                57%                06:08       20:05       Waning Crescent    ENE @    
   19                60%                06:09       20:03       Waning Crescent    ENE @    
   20                63%                06:10       20:01       Waning Crescent    ENE @    
   21                61%                06:11       20:00       Waning Crescent    E @    
   22                59%                06:13       19:58       New    ENE @    
   23                55%                06:14       19:56       New    ENE @    
   24                61%                06:15       19:54       Waxing Crescent    ENE @    
   25                60%                06:16       19:53       Waxing Crescent    W @    
   26                65%                06:17       19:51       Waxing Crescent    ENE @    
   27                65%                06:19       19:49       Waxing Crescent    ENE @    
   28                67%                06:20       19:47       Waxing Crescent    ENE @    
   29                62%                06:21       19:46       Waxing Crescent    E @    
   30                64%                06:22       19:44       First Quarter    ENE @    
   31                65%                06:23       19:42       Waxing Gibbous    WNW @    

   August                62%    12.1°C    1014.4 mb              ENE @ 1 km/h   

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