Centretown Observatory:

This Month

Times in Eastern Standard Time (EST = GMT-5)

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

   Reading

Mean   

Normal   

RecHi   

YY

RecLo   

YY

   High Temp

2022 2002

   Low Temp

2009 2019

   Mean Temp

2022 2019

   Dew Point

2017 2013

   Relative Humidity

n/a % 61 % 80 % 2025 37 % 2013

   Barometric Pressure

2012 2025

   Winds

2023 2001

   - from

n/a   E   WNW     N    
 

   Total Reading   

Total   

Normal   

RecMost   

YY

RecLeast   

YY

   Rain 2017 2013
   Snow 2019 2019
   - Water Equivalent 2019 2021
   Precipitation 2017 2016

   Sunshine

n/a  h 101  h 223  h 2015 0  h 2001
 

   MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:

   Reading

Highest   

DD

Lowest   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   High Temp

n/a n/a 2022-05 2005-25

   Low Temp

n/a n/a 2022-05 2019-30

   Humidex

  n/a         2022-05      

   Wind Chill

        n/a         2017-11

   Dew Point

n/a n/a 2024-05 2018-16

   Relative Humidity

n/a % n/a n/a % n/a 100 % 2024-05 1 % 2018-16

   Barometric Pressure

n/a n/a 2022-07 2022-20

   Winds

n/a       2019-01      

   - from

n/a           WSW          
 

   Daily Total

Most   

DD

RecMost   

YY-DD

   Rain n/a 2017-02
   Snow n/a 2025-10
   - Water Equivalent n/a 2025-10
   Precipitation n/a 2017-02

   Sunshine

n/a  h n/a 15:20  h 2014-03
 

   Daily Mean

Highest   

DD

Lowest   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   Temperature

n/a n/a 2022-05 2018-22

   Dew Point

n/a n/a 2022-06 2018-16

   Relative Humidity

n/a % n/a n/a % n/a 93 % 2017-02 10 % 2013-28

   Barometric Pressure

n/a n/a 2022-07 2022-18

   Winds

n/a n/a 2020-02 2001-01

   - from

n/a     n/a     ESE     N    
 

   EVENTS THIS MONTH (13):

 
   
Last Quarter - November 1 @ 15:28
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
   
Madame Curie Born - November 7 @ 00:00
On this day in 1867, (159 years ago), Marie Curie was born in Warsaw, Poland. Her work in isolating radium made scientists aware of radioactivity.
   
The Last Spike - November 7 @ 00:00
The ceremonial last spike was driven at Craigellachie, British Columbia, marking the completion of Canada's first coast-to-coast railway, the Canadian Pacific Railway (CPR), on this day in 1885.
   
New Moon - November 9 @ 02:02
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
   
Wreck of the Edmund Fitzerald - November 10 @ 00:00
The ship made famous in the Gordon Lightfoot song sank in heavy seas on Lake Superior, on this day in 1975, 51 years ago. Speculation continues as to the actual cause of the sinking, the wreck having been located four days later. Her entire crew of 29 was lost.
   
Remembrance Day - November 11 @ 00:00
Today is the day we wear a poppy, and maintain one minute of silence at 11am, in honour of the soldiers who have fought for our freedom, many of them dying in foreign lands. It is now 108 years after the "Great War," as World War I was often known, the centennial having come in 2018.
   
West Coast Weather Bomb - November 14 @ 00:00
A surprise weather bomb delivered hurricane-force winds to a large area of the Pacific Northwest, including coastal British Columbia, on this day in 1981. The author was trapped on a campground for two days, as a result of this storm, due to a large number of felled trees blocking the road.
   
Tycho's Supernova - November 15 @ 00:00
In mid-November 1572, Tycho Brahe spied a supernova in Cassiopeia, now designated SN1572. More than 450 years later, its remnant, 3C 10 (also known as "Tycho's Supernova Remnant, G120.7+2.1, or Cepheus X-1), is easily spotted in mid-sized amateur telescopes and is the subject of intense study.
   
First Quarter - November 17 @ 06:47
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
   
Edwin Hubble Born - November 20 @ 00:00
On this day in 1889 (137 years ago), astronomer Edwin Hubble was born. Later in life, with the help of the Hale Telescope, he determined that the universe was expanding.
   
ISS Launched - November 20 @ 00:00
On this day in 1998, the first module of the International Space Station was launched. The station, involving astronauts from North America, Europe, Japan, and other countries, continues to operate, in Low Earth Orbit (LEO), 28 years later.
   
Full Moon - November 24 @ 08:53
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
   
Saugenay Earthquake - November 25 @ 00:00
A magnitude-5.9 earthquake hit the Saugenay region of Quebec, on this day in 1988. The earthquake--eastern North America's largest in 53 years--was felt over a wide area, including here in Ottawa.
  


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                        n/a%                06:43       16:50       n/a h    Last Quarter    n/a @    
   2                        n/a%                06:44       16:48       n/a h    Waning Crescent    n/a @    
   3                        n/a%                06:45       16:47       n/a h    Waning Crescent    n/a @    
   4                        n/a%                06:47       16:46       n/a h    Waning Crescent    n/a @    
   5                        n/a%                06:48       16:44       n/a h    Waning Crescent    n/a @    
   6                        n/a%                06:50       16:43       n/a h    Waning Crescent    n/a @    
   7                        n/a%                06:51       16:42       n/a h    Waning Crescent    n/a @    
   8                        n/a%                06:52       16:40       n/a h    New    n/a @    
   9                        n/a%                06:54       16:39       n/a h    New    n/a @    
   10                        n/a%                06:55       16:38       n/a h    Waxing Crescent    n/a @    
   11                        n/a%                06:57       16:37       n/a h    Waxing Crescent    n/a @    
   12                        n/a%                06:58       16:36       n/a h    Waxing Crescent    n/a @    
   13                        n/a%                06:59       16:35       n/a h    Waxing Crescent    n/a @    
   14                        n/a%                07:01       16:34       n/a h    Waxing Crescent    n/a @    
   15                        n/a%                07:02       16:33       n/a h    Waxing Crescent    n/a @    
   16                        n/a%                07:03       16:32       n/a h    First Quarter    n/a @    
   17                        n/a%                07:05       16:31       n/a h    Waxing Gibbous    n/a @    
   18                        n/a%                07:06       16:30       n/a h    Waxing Gibbous    n/a @    
   19                        n/a%                07:07       16:29       n/a h    Waxing Gibbous    n/a @    
   20                        n/a%                07:09       16:28       n/a h    Waxing Gibbous    n/a @    
   21                        n/a%                07:10       16:27       n/a h    Waxing Gibbous    n/a @    
   22                        n/a%                07:11       16:26       n/a h    Waxing Gibbous    n/a @    
   23                        n/a%                07:13       16:26       n/a h    Full    n/a @    
   24                        n/a%                07:14       16:25       n/a h    Waning Gibbous    n/a @    
   25                        n/a%                07:15       16:24       n/a h    Waning Gibbous    n/a @    
   26                        n/a%                07:17       16:24       n/a h    Waning Gibbous    n/a @    
   27                        n/a%                07:18       16:23       n/a h    Waning Gibbous    n/a @    
   28                        n/a%                07:19       16:23       n/a h    Waning Gibbous    n/a @    
   29                        n/a%                07:20       16:22       n/a h    Waning Gibbous    n/a @    
   30                        n/a%                07:21       16:22       n/a h    Waning Gibbous    n/a @    

   November                    n/a%                    n/a h      n/a @    
   Normals                    61%    -4.0°C    1017.0 mb            101 h      E @ 1 km/h   

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