Centretown Observatory:

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

   Reading

Mean   

Normal   

RecHi   

YY

RecLo   

YY

   High Temp

2012 2017

   Low Temp

2012 2014

   Mean Temp

2012 2014

   Dew Point

2020 2017

   Relative Humidity

66 % 60 % 70 % 2023 39 % 2017

   Barometric Pressure

2021 2025

   Winds

2021 2002

   - from

SSE   E   N     N    
 
   Monthly Total

Total   

Normal   

RecMost   

YY

RecLeast   

YY

   Rain 2016 2018
   Snow 2023 2023
   - Water Equivalent 2023 2024
   Precipitation 2025 2018

   Sunshine

147  h 82  h 293  h 2016 0  h 2002
 

   MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:

   Reading

Max   

DD

Min   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   High Temp

15 02 2012-19 2003-03

   Low Temp

17 02 2012-22 2003-03

   Humidex

  31         2021-25      

   Wind Chill

        02         2021-02

   Dew Point

16 02 2012-21 2017-27

   Relative Humidity

99 % 04 24 % 27 100 % 2023-03 1 % 2017-27

   Barometric Pressure

28 06 2020-22 2023-10

   Winds

20       2019-28      

   - from

SSW           WSW          
 

   Daily Total

Most   

DD

RecMost   

YY-DD

   Rain 31 2021-26
   Snow 01 2014-30
   - Water Equivalent 01 2014-30
   Precipitation 01 2021-26

   Sunshine

12:20   23 16:20   2022-03
 

   Daily Mean

Max   

DD

Min   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   Temperature

16 02 2012-21 2003-03

   Dew Point

16 02 2012-22 2013-30

   Relative Humidity

92 % 05 46 % 23 100 % 2023-05 1 % 2017-27

   Barometric Pressure

03 06 2020-22 2023-10

   Winds

16 10 2021-01 2002-01

   - from

E     E     W   N    
 

   EVENTS LAST MONTH (17):

 
   
Newfoundland and Labrador Joins Confederation - March 31 @ 01:00
Today marks 76 years since Newfoundland and Labrador joined the Canadian Confederation in 1949.
   
Partial Solar Eclipse - March 29 @ 04:50
A Partial eclipse of the sun will be visible in Canada, the extrenem eastern United States, northwestern Europe and Africa, and the North polar region.
   
Vernal (Spring) Equinox - March 19 @ 21:01
Winter ends; Spring begins (N. Hemisphere). Summer ends; Autumn begins (S. Hemisphere). Day and night are equal worldwide.
   
Total Lunar Eclipse - March 13 @ 23:07
A total lunar eclipse will be visible from North America, Western Europe and Africa, Eastern Asia and Australia, and the polar regions.
   
Time Change in most of North America: clocks go forward one hour. - March 9 @ 02:00
Eastern Standard Time ends at 02:00 EST. Eastern Daylight Time begins at 03:00 EDT
   
New Moon - March 28 @ 21:57
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
   
Alaska Earthquake - March 27 @ 01:00
On this day in 1964 (61 years ago), a major earthquake in Alaska gave rise to a tsunami which caused damage to towns and cities up and down the west coast of North America, including the Canadian city of Port Alberni, British Columbia.
   
First Flight of the Arrow - March 25 @ 01:00
On this day in 1958, the all-Canadian Avro Arrow made its first flight. A groundbreaking interceptor plane, the Arrow was eventually cancelled by the Diefenbaker government, in favour of a cruise-missile system.
   
Comet Shoemaker-Levy 9 Discovered - March 24 @ 01:00
On this day in 1993, Comet Shoemaker-Levy 9 was discovered jointly by Eugene and Carolyn Shoemaker, and David Levy, a Canadian. The comet broke apart in Jupiter's gravity and impacted the planet beginning in July 1994.
   
Last Quarter - March 21 @ 22:29
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
   
Eruption of Eyjafjallajokull - March 20 @ 01:00
On this day in 2010, the Icelandic volcano Eyjafjallajokull began a series of eruptions which were highly disruptive to air travel within western Europe. The eruptions continued until June 23.
   
Stephen Hawking Dies - March 14 @ 01:00
On this day in 2018, legendary British Physicist Stephen Hawking died.
   
Full Moon - March 13 @ 17:54
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
   
March 1989 Geomagnetic Storm - March 13 @ 01:00
A stunning auroral display greeted onlookers on this day in 1998, when the sky danced with the Northern Lights as far south as Texas.
   
First Quarter - March 6 @ 01:31
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
   
Albert Einstein Born - March 4 @ 00:00
On this day in 1879, Albert Einstein was born. He gave birth to many modern physics concepts, including two special theories of Relativity, a better understanding of piezoelectric effects, and more. He was particularly famous for his gendankenexperimenten (thought experiments). Einstein died in 1955.
   
"Storm of the Century" - March 3 @ 00:00
On this day in 1971, a massive blizzard hit eastern Canada. 40 to 80 centimetres of snow feel, whipped by winds of up to 110km /h. The storm caused 30 deaths.
  


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                        77%                06:41    17:50    00:45    Waxing Crescent    E @    
   2                        60%                06:39    17:52    11:15    Waxing Crescent    W @    
   3                        62%                06:37    17:53    03:50    Waxing Crescent    W @    
   4                        82%                06:35    17:54    00:25    Waxing Crescent    E @    
   5                        92%                06:34    17:56    00:35    Waxing Crescent    W @    
   6                        85%                06:32    17:57    00:20    First Quarter    W @    
   7                        68%                06:30    17:59    10:30    Waxing Gibbous    WNW @    
   8                        52%                06:28    18:00    07:35    Waxing Gibbous    W @    
   9                        70%                07:26    19:01    04:10    Waxing Gibbous    W @    
   10                        74%                07:24    19:03    01:40    Waxing Gibbous    E @    
   11                        64%                07:22    19:04    07:50    Waxing Gibbous    W @    
   12                        48%                07:21    19:05    06:15    Waxing Gibbous    E @    
   13                        53%                07:19    19:07    03:35    Full    E @    
   14                        54%                07:17    19:08    08:45    Waning Gibbous    E @    
   15                        58%                07:15    19:09    04:25    Waning Gibbous    E @    
   16                        86%                07:13    19:10    00:05    Waning Gibbous    E @    
   17                        64%                07:11    19:12    05:50    Waning Gibbous    W @    
   18                        60%                07:09    19:13    12:00    Waning Gibbous    W @    
   19                        53%                07:07    19:14    08:15    Waning Gibbous    W @    
   20                        62%                07:06    19:16    00:30    Waning Gibbous    E @    
   21                        55%                07:04    19:17    12:15    Last Quarter    WNW @    
   22                        70%                07:02    19:18    00:35    Waning Crescent    E @    
   23                        46%                07:00    19:20    12:20    Waning Crescent    W @    
   24                        72%                06:58    19:21    01:45    Waning Crescent    WNW @    
   25                        74%                06:56    19:22    00:45    Waning Crescent    W @    
   26                        68%                06:54    19:24    03:25    Waning Crescent    W @    
   27                        54%                06:52    19:25    10:55    Waning Crescent    E @    
   28                        62%                06:50    19:26    05:00    New    W @    
   29                        66%                06:48    19:27    02:05    New    W @    
   30                        74%                06:47    19:29    00:30    Waxing Crescent    W @    
   31                        87%                06:45    19:30    00:10    Waxing Crescent    W @    

   March                    66%                    147h      SSE @    
   Normals                    60%    -8.6°C    1016.0 mb            82 h      E @ 1 km/h   

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