Centretown Observatory:

This Month

Times in Eastern Daylight Time (EDT = GMT-4)

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   STATISTICS from CTO Weather Centre - July, 2026
   MONTHLY SUMMARY: MEANS AND TOTALS:

   Reading

Mean   

Normal   

RecHi   

YY

RecLo   

YY

   High Temp

2020 2004

   Low Temp

2020 2024

   Mean Temp

2020 2009

   Dew Point

2020 2012

   Relative Humidity

63 % 58 % 69 % 2024 49 % 2012

   Barometric Pressure

2013 2018

   Winds

2023 2002

   - from

WSW   E   WNW     N    
 

   Total Reading   

Total   

Normal   

RecMost   

YY

RecLeast   

YY

   Rain 2018 2019
   Snow 2015 2015
   - Water Equivalent 2015 2015
   Precipitation 2018 2013

   Sunshine

117  h 83  h 353  h 2018 0  h 2002
 

   MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:

   Reading

Highest   

DD

Lowest   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   High Temp

02 09 2020-09 2003-12

   Low Temp

03 10 2020-28 2024-27

   Humidex

  02         2020-19      

   Wind Chill

        n/a         2024-27

   Dew Point

01 05 2024-28 2024-27

   Relative Humidity

99 % 01 24 % 05 99 % 2025-08 2 % 2019-08

   Barometric Pressure

12 14 2019-26 2018-11

   Winds

13       2014-09      

   - from

SSE           N          
 

   Daily Total

Most   

DD

RecMost   

YY-DD

   Rain 01 2018-25
   Snow 01 2002-01
   - Water Equivalent 01 2002-01
   Precipitation 01 2018-25

   Sunshine

12:55  h 16 19:20  h 2018-15
 

   Daily Mean

Highest   

DD

Lowest   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   Temperature

02 09 2020-10 2024-27

   Dew Point

01 05 2020-27 2012-17

   Relative Humidity

83 % 01 46 % 05 95 % 2024-10 34 % 2012-20

   Barometric Pressure

12 09 2019-26 2018-11

   Winds

15 09 2023-09 2002-01

   - from

ENE     W     NNW     N    
 

   EVENTS THIS MONTH (21):

 
   
Canada Day - July 1 @ 01:00
Happy birthday to Canada, now 159 years old!
   
PEI Joins Confederation - July 1 @ 01:00
Today marks 153 years since Prince Edward Island joined the Canadian Confederation in 1873.
   
Battle of the Somme - July 1 @ 01:00
From this day in 1916, to November 18, Canadians were engaged in the Battle of the Somme. The battle helped to cement their reputation as hardened, first-class troops who gave their all in the quest for victory.
   
Battle of Beaument-Hamel - July 1 @ 01:00
July First has a different meaning for Newfoundlanders, who observe the anniversary of this battle, which occurred during the opening of the Battle of the Somme, in 1916. The Newfoundland Regiment suffered heavy losses that day; but they, like their Canadian brothers, emerged from this baptism of fire with a hard-earned reputation as front-line troops. After the war, a stunning monument was erected at the site, featuring a bronze caribou on a large stone pedestal.
   
HMCS Bonvaventure decommissioned - July 3 @ 01:00
On this day in 1970, HMCS Bonaventure was decomissioned after 13 years' service. This vessel was Canada's third aircraft carrier, after Warrior and Magnificent. Some 215 metres long and 34 wide, she was a small (by modern standards) ship of her type, but she was able to maintain a constant aerial screen during operations. Originally laid down during WWII, as the British ship HMS Powerful, she was mothballed after the war; she was acquired by the Canadian government in 1952 and commissioned in January of 1957. The Author nostalgically remembers car rides past her, in the Halifax dockyard, in the late Nineteen-Sixties. She was a big ship.
   
US Independence Day - July 4 @ 01:00
Not to be confused with the hokey mid-90's movie.
   
BC Forest Fires - July 7 @ 01:00
A months-long period of massive forest fires began on this day in 2017. in the Province of British Columbia. A State of Emergency held for 70 days.
   
Last Quarter - July 7 @ 15:29
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
   
New Moon - July 14 @ 05:43
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
   
Impact Day - July 16 @ 01:00
On this day in 1994, the first fragment of Comet Shoemaker-Levy 9 impacted the planet Jupiter, leaving atmospheric scars which flowed together into bands and persisted for months.
   
Apollo 11 Landed - July 19 @ 01:00
On this day in 1969, the Apollo 11 Moon mission landed on its target while the world held its breath. Two American men--Neil Armstrong, and Edwin "Buzz" Aldrin--walked on the Moon early the next day.
   
Saugenay Floods - July 19 @ 01:00
On this day in 1996, the first of several floods hit the Saugenay region of Quebec. Upwards of 15,000 people were evacuated, and some 500 homes lost.
   
British Columbia Joins Confederation - July 20 @ 01:00
Today marks 155 years since British Columbia joined the Canadian Confederation in 1871.
   
First Quarter - July 21 @ 07:05
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
   
Comet Hale-Bopp discovered - July 23 @ 01:00
On this day in 1995, Comet Hale-Bopp was discovered independently by Alan Hale and Thomas Bopp. The comet proceeded to put on a protracted show, being the brightest in decades.
   
Amelia Earhart born - July 24 @ 01:00
On this day in 1897 (129 years ago), pilot Amelia Earhart was born, in Atchison, Kansas. A trailblazer for later generations of female pilots, she eventually lost her life after crashing on or near Howland Island, in the Pacific Ocean, on one of the later (and most-dangerous) legs of a round-the-world expedition. There is plenty of evidence that she survived the crash; shortwave radio calls, for example, which were triangulated to Howland. The search for the plane's wreckage is ongoing.
   
World War I Begins - July 28 @ 01:00
The global conflagration popularly called the "Great War" during the period, was the first war involving major powers worldwide. On this day, in 1914, a Serbian Nationalist assassinated Archuduke Franz Ferdinand, the heir to the Austro-Hungarian crown. Austria-Hungary declared war on Serbia the same day, and within weeks most of the global powers were pulled in, eventually including the United States. Over 17-million (17,000,000) people lost their lives in the conflict, including some 65,000 Canadians. The war ended in 1918, now 112 years ago.
   
Post=Tropical Storm Blanche - July 28 @ 01:00
A powerful post-tropical storm when it made landfall in Nova Scotia in 1975, this system dropped heavy rainfall over much of the province, accompanied by high winds and considerable thunder. The Author experienced this storm first-hand, on Sober Island, NS.
   
Full Moon - July 29 @ 10:35
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
   
Aphelion - July 6 @ 13:30
Earth is farthest from the Sun in its slightly elliptical orbit.
   
Edmonton Tornado - July 31 @ 01:00
On this day in 1987, a large tornado ripped through Edmonton, killing 27 and causing a third of a billion dollars in damage.
  


Daily Temperatures This Month:
 


Daily Precipitation This Month:
 


 

This Month:
 

   Day    High    Low    Mean    MxHx    MnWC    AvRH    AvDP    AvBP    Prec    Sunrise       Sunset       Sun    Moon    Winds   
   1                        83%                05:19       20:55       05:25 h    Waning Gibbous    W @    
   2                        73%                05:19       20:55       09:40 h    Waning Gibbous    W @    
   3                        68%                05:20       20:54       05:25 h    Waning Gibbous    E @    
   4                        62%                05:20       20:54       03:00 h    Waning Gibbous    E @    
   5                        46%                05:21       20:54       11:30 h    Waning Gibbous    W @    
   6                        52%                05:22       20:53       10:25 h    Last Quarter    W @    
   7                        62%                05:23       20:53       11:45 h    Waning Crescent    W @    
   8                        60%                05:23       20:52       08:45 h    Waning Crescent    W @    
   9                        82%                05:24       20:52       00:35 h    Waning Crescent    W @    
   10                        66%                05:25       20:51       08:15 h    Waning Crescent    W @    
   11                        52%                05:26       20:51       10:45 h    Waning Crescent    W @    
   12                        52%                05:27       20:50       08:35 h    Waning Crescent    E @    
   13                        52%                05:27       20:49       06:15 h    New    WNW @    
   14                        72%                05:28       20:49       00:30 h    New    W @    
   15                        66%                05:29       20:48       04:15 h    Waxing Crescent    ENE @    
   16                        58%                05:30       20:47       12:55 h    Waxing Crescent    E @    
   17                        54%                05:31       20:46       03:10 h    Waxing Crescent    E @    
   18                        n/a%                05:32       20:46       n/a h    Waxing Crescent    n/a @    
   19                        n/a%                05:33       20:45       n/a h    Waxing Crescent    n/a @    
   20                        n/a%                05:34       20:44       n/a h    Waxing Crescent    n/a @    
   21                        n/a%                05:35       20:43       n/a h    First Quarter    n/a @    
   22                        n/a%                05:36       20:42       n/a h    Waxing Gibbous    n/a @    
   23                        n/a%                05:37       20:41       n/a h    Waxing Gibbous    n/a @    
   24                        n/a%                05:38       20:40       n/a h    Waxing Gibbous    n/a @    
   25                        n/a%                05:39       20:39       n/a h    Waxing Gibbous    n/a @    
   26                        n/a%                05:41       20:38       n/a h    Waxing Gibbous    n/a @    
   27                        n/a%                05:42       20:36       n/a h    Waxing Gibbous    n/a @    
   28                        n/a%                05:43       20:35       n/a h    Full    n/a @    
   29                        n/a%                05:44       20:34       n/a h    Waning Gibbous    n/a @    
   30                        n/a%                05:45       20:33       n/a h    Waning Gibbous    n/a @    
   31                        n/a%                05:46       20:32       n/a h    Waning Gibbous    n/a @    

   July                    63%                    117 h      WSW @    
   Normals                    58%    12.9°C    1012.6 mb            83 h      E @ 1 km/h   

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