STATISTICS from CTO Weather Centre - November, 2025
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
80
%
61
%
80
%
2025
37
%
2013
Barometric Pressure
2012
2025
Winds
2023
2001
- from
SE
E
WNW
N
Monthly Total
Total
Normal
RecMost
YY
RecLeast
YY
Rain
2017
2013
Snow
2019
2019
- Water Equivalent
2019
2021
Precipitation
2017
2016
Sunshine
60
h
101
h
223
h
2015
0
h
2001
MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:
Reading
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
High Temp
04
20
2022-05
2005-25
Low Temp
04
19
2022-05
2019-30
Humidex
30
2022-05
Wind Chill
30
2017-11
Dew Point
08
11
2024-05
2018-16
Relative Humidity
99
%
07
37
%
04
100
%
2024-05
1
%
2018-16
Barometric Pressure
29
16
2022-07
2022-20
Winds
27
2019-01
- from
SSW
WSW
Daily Total
Most
DD
RecMost
YY-DD
Rain
26
2017-02
Snow
10
2025-10
- Water Equivalent
10
2025-10
Precipitation
10
2017-02
Sunshine
07:50
29
15:20
2014-03
Daily Mean
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
Temperature
04
20
2022-05
2018-22
Dew Point
03
29
2022-06
2018-16
Relative Humidity
92
%
20
60
%
04
93
%
2017-02
10
%
2013-28
Barometric Pressure
29
16
2022-07
2022-18
Winds
27
10
2020-02
2001-01
- from
ENE
N
ESE
N
EVENTS LAST MONTH (14):
Time Change in most of North America: clocks go back one hour. - November 2 @ 02:00
Eastern Daylight Time ends at 02:00 EDT. Eastern Standard Time begins at 01:00 EST.
First Quarter - November 27 @ 15:58
A waxing half-Moon is near the meridian (halfway across the sky) 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.
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), 27 years later.
Edwin Hubble Born - November 20 @ 00:00
On this day in 1889 (136 years ago), astronomer Edwin Hubble was born. Later in life, with the help of the Hale Telescope, he determined that the universe was expanding.
New Moon - November 19 @ 15:47
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
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.
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.
Last Quarter - November 11 @ 15:28
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
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 107 years after the "Great War," as World War I was often known, the centennial having come in 2018.
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, 50 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.
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.
Madame Curie Born - November 7 @ 00:00
On this day in 1867, (158 years ago), Marie Curie was born in Warsaw, Poland. Her work in isolating radium made scientists aware of radioactivity.
Full Moon - November 4 @ 22:19
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
Daily Temperatures Last Month:
Precipitation Last Month:
Daily Readings, Last Month:
Day
High
Low
Mean
MxHx
MnWC
AvRH
AvDP
AvBP
Precip
Sunrise
Sunset
Sun
Moon
Winds
1
73%
07:43
17:50
01:25
Waxing Gibbous
E @
2
62%
06:44
16:48
03:55
Waxing Gibbous
W @
3
76%
06:45
16:47
00:05
Waxing Gibbous
W @
4
60%
06:47
16:46
06:55
Full
E @
5
80%
06:48
16:44
00:20
Waning Gibbous
E @
6
74%
06:50
16:43
05:20
Waning Gibbous
W @
7
87%
06:51
16:42
00:25
Waning Gibbous
E @
8
82%
06:52
16:40
01:50
Waning Gibbous
W @
9
82%
06:54
16:39
00:35
Waning Gibbous
W @
10
86%
06:55
16:38
00:35
Waning Gibbous
N @
11
70%
06:57
16:37
03:20
Waning Gibbous
W @
12
89%
06:58
16:36
00:25
Last Quarter
W @
13
81%
06:59
16:35
01:15
Waning Crescent
E @
14
89%
07:01
16:34
00:25
Waning Crescent
W @
15
85%
07:02
16:33
00:50
Waning Crescent
E @
16
88%
07:03
16:32
01:50
Waning Crescent
W @
17
80%
07:05
16:31
01:00
Waning Crescent
W @
18
84%
07:06
16:30
01:45
Waning Crescent
W @
19
82%
07:07
16:29
04:50
New
W @
20
92%
07:09
16:28
00:25
New
W @
21
91%
07:10
16:27
01:45
Waxing Crescent
W @
22
82%
07:11
16:26
05:55
Waxing Crescent
W @
23
90%
07:13
16:26
00:20
Waxing Crescent
E @
24
84%
07:14
16:25
05:00
Waxing Crescent
W @
25
80%
07:15
16:24
00:10
Waxing Crescent
E @
26
88%
07:17
16:24
00:05
Waxing Crescent
ENE @
27
70%
07:18
16:23
00:15
First Quarter
ENE @
28
76%
07:19
16:23
01:25
Waxing Gibbous
W @
29
66%
07:20
16:22
07:50
Waxing Gibbous
E @
30
84%
07:21
16:22
00:30
Waxing Gibbous
E @
November
80%
60h
SE @
Normals
61%
-4.0°C
1017.0 mb
101 h
E @ 1 km/h
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