Centretown Observatory:

This Month

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

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

   Reading

Mean   

Normal   

RecHi   

YY

RecLo   

YY

   High Temp

2024 2015

   Low Temp

2024 2015

   Mean Temp

2024 2015

   Dew Point

2018 2015

   Relative Humidity

70 % 63 % 76 % 2023 60 % 2014

   Barometric Pressure

2022 2017

   Winds

2022 2002

   - from

ESE   E   NNW     N    
 

   Total Reading   

Total   

Normal   

RecMost   

YY

RecLeast   

YY

   Rain 2016 2017
   Snow 2016 2016
   - Water Equivalent 2016 2024
   Precipitation 2016 2024

   Sunshine

95  h 82  h 259  h 2016 0  h 2002
 

   MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:

   Reading

Highest   

DD

Lowest   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   High Temp

03 02 2024-28 2023-04

   Low Temp

09 02 2024-10 2023-04

   Humidex

  21         n/a-n/a      

   Wind Chill

        18         2023-04

   Dew Point

03 01 2024-28 2023-04

   Relative Humidity

96 % 03 33 % 12 100 % 2023-10 13 % 2024-28

   Barometric Pressure

02 16 2018-09 2019-24

   Winds

17       2016-27      

   - from

SW           SW          
 

   Daily Total

Most   

DD

RecMost   

YY-DD

   Rain 14 2014-21
   Snow 13 2016-16
   - Water Equivalent 13 2016-16
   Precipitation 13 2016-16

   Sunshine

10:10  h 14 16:20  h 2022-24
 

   Daily Mean

Highest   

DD

Lowest   

DD

RecHi   

YY-DD

RecLo   

YY-DD

   Temperature

07 02 2017-23 2023-04

   Dew Point

09 18 2017-23 2023-04

   Relative Humidity

86 % 06 58 % 11 99 % 2023-12 38 % 2024-29

   Barometric Pressure

05 17 2018-09 2012-24

   Winds

16 03 2023-03 2002-01

   - from

W     E     NNW     N    
 

   EVENTS THIS MONTH (12):

 
   
Space Shuttle Columbia lost this day - February 1 @ 00:00
The anniversary of the destruction of the Space Shuttle Columbia, which was lost this day along with her seven-member crew, in 2003. The orbiter was lost on re-entry, when hot gases crept into the wing thanks to smashed RCC tiles; the tiles had been damaged at launch, when ice from the insulated fuel tank detached and struck the shuttle. This led to new examination procedures when arriving at the ISS, and severe destination restrictions on all remaining shuttle flights. On a wider note, it largely informed the design of the snuttle's successor, the Space Launch System (SLS), which places the spacecraft back on top of the launch stack, where it is safe from this sort of event.
   
S-s-s-snag - February 3 @ 00:00
An all-time Canadian low-temperature record was set on this date in 1947, in Snag, Yukon, as the mercury plummeted to -63.0° C.
   
Guatemala Earthquake - February 4 @ 00:00
On this day in 1976, 49 years ago, a massive earthquake struck Guatemala.
   
First Quarter - February 4 @ 17:02
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
   
Full Moon - February 11 @ 22:53
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
   
Valentine's Day - February 14 @ 00:00
Named after St. Valentine, a Third-Century Irish priest.
   
National Flag of Canada Day - February 15 @ 00:00
Today is National Flag of Canada Day. celebrating 60 years since the first hosting of the ubiquitous Maple Leaf, in 1965.
   
Operation Hailstone - February 17 @ 00:00
The US Fleet launched a surprise attack on the Japanese naval stronghold at Truk Lagoon (today known as Chuuk Lagoon), on this day in 1944 (81 years ago). The Americans suffered only token losses, while the Japanese saw 4,500+ deaths, 40+ vessels sunk, and 250+ aircraft destroyed.
   
White Juan - February 17 @ 00:00
On this day in 2004, a nor'easter formed in the Atlantic Ocean, going on to strike the Maritimes with 50 to 100 centimetres of snow.
   
Last Quarter - February 20 @ 02:32
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
   
SN 1987 (Supernova) - February 23 @ 00:00
SN 1987A was discovered by Ian Shelton--a Canadian--and Oscar Duhaide, at the Las Campanas Observatory, in Chile, now 38 years ago. Continuous telescopic observations ever since have revaled an evolving, growing supernova remnant. The supernova was located within the Large Magellanic Cloud, which neighbours our own Milky Way. The supernova was the first one visible to the unaided eye in several hundred years.
   
New Moon - February 27 @ 09:44
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
  


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                        62%                07:23       17:10       09:50 h    Waxing Crescent    W @    
   2                        68%                07:22       17:12       00:50 h    Waxing Crescent    W @    
   3                        85%                07:21       17:13       00:50 h    Waxing Crescent    E @    
   4                        64%                07:20       17:15       05:20 h    Waxing Crescent    W @    
   5                        62%                07:18       17:16       10:00 h    First Quarter    W @    
   6                        86%                07:17       17:17       00:35 h    Waxing Gibbous    W @    
   7                        74%                07:16       17:19       05:35 h    Waxing Gibbous    W @    
   8                        66%                07:14       17:20       06:50 h    Waxing Gibbous    E @    
   9                        78%                07:13       17:22       03:55 h    Waxing Gibbous    W @    
   10                        68%                07:11       17:23       03:45 h    Waxing Gibbous    E @    
   11                        58%                07:10       17:25       06:25 h    Waxing Gibbous    E @    
   12                        58%                07:09       17:26       10:05 h    Full    W @    
   13                        82%                07:07       17:28       00:10 h    Waning Gibbous    W @    
   14                        64%                07:06       17:29       10:10 h    Waning Gibbous    W @    
   15                        72%                07:04       17:31       00:55 h    Waning Gibbous    E @    
   16                        86%                07:02       17:32       00:00 h    Waning Gibbous    W @    
   17                        70%                07:01       17:33       00:00 h    Waning Gibbous    W @    
   18                        62%                06:59       17:35       00:00 h    Waning Gibbous    W @    
   19                        66%                06:58       17:36       06:05 h    Waning Gibbous    W @    
   20                        69%                06:56       17:38       08:10 h    Last Quarter    W @    
   21                        63%                06:54       17:39       05:50 h    Waning Crescent    W @    
   22                        77%                06:53       17:41       00:00 h    Waning Crescent    W @    
   23                        n/a%                06:51       17:42       n/a h    Waning Crescent    n/a @    
   24                        n/a%                06:49       17:43       n/a h    Waning Crescent    n/a @    
   25                        n/a%                06:48       17:45       n/a h    Waning Crescent    n/a @    
   26                        n/a%                06:46       17:46       n/a h    Waning Crescent    n/a @    
   27                        n/a%                06:44       17:48       n/a h    New    n/a @    
   28                        n/a%                06:42       17:49       n/a h    Waxing Crescent    n/a @    

   February                    70%                    95 h      ESE @    
   Normals                    63%    -13.4°C    1016.1 mb            82 h      E @ 0 km/h   

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