YOW Weather Records
@yow-weather.bsky.social
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about 2 months ago
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6pm today was #Ottawa's 189th consecutive hour with temperature ≤ -8°C. This is the longest run in almost 13 years, since Feb 9th, 2013. #YowWx #OttWeather #YOW #OttNews #ONWx
2 days ago
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Today is #Ottawa's 19th consecutive day with precipitation. This is the longest run in almost 12 years, since Jan 20th, 2014. #YowWx #OttWeather #YOW #OttNews #ONWx
2 days ago
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Over the past 72 years, #Ottawa's average wind has decreased by 0.9 ± 1.1 km/h (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 72 years, #Ottawa's average humidity has increased by 2.3 ± 2.1% (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 72 years, #Ottawa's average dewpoint has increased by 1.9 ± 0.7°C (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 70 years, #Ottawa's annual cumulative snowpack has decreased by 808 ± 1145 cm·days (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 152 years, #Ottawa's annual snowfall has decreased by about 34 ± 36 cm (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 152 years, #Ottawa's annual rain has increased by about 216 ± 65 mm (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 152 years, #Ottawa's annual precipitation has increased by about 108 ± 65 mm (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 152 years, #Ottawa's annual low temperature has increased by 2.5 ± 0.5°C (95% CI). #YowWx #OttWeather
4 days ago
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Over the past 152 years, #Ottawa's annual high temperature has increased by 1.4 ± 0.5°C (95% CI). #YowWx #OttWeather
4 days ago
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#Ottawa just had its driest December since December 2014. Total precipitation was just 45.5 mm. #YowWx #OttWeather
4 days ago
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For only the 8th time in recorded history, #Ottawa stayed above -23.9°C during an entire year (2025). #YowWx #OttWeather
4 days ago
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For only the 10th time in recorded history, #Ottawa had fewer than 14 thunderstorm days during a year (2025). #YowWx #OttWeather
4 days ago
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#Ottawa just had its driest year since 2015. Total precipitation was just 774.2 mm. #YowWx #OttWeather
4 days ago
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After a snowy start to the cold season in Ottawa, things have slowed down. If we don't get any snow during the next week, we'll fall below the 30-year median.
5 days ago
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With a forecast high of just -15°C, tomorrow is forecast to be #Ottawa's coldest day in almost 3 years, since Feb 4th, 2023. #YowWx #OttWeather
5 days ago
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December summary: #Ottawa broke (or almost broke) 10 records during December. #YowWx #OttWeather
6 days ago
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During December 2025, #Ottawa had 7 above median days and 24 below median days (by maximum temperature). #YowWx #OttWeather
7 days ago
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#Ottawa's weather extremes for December 2025: #YowWx #OttWeather
7 days ago
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Over the past 152 years, #Ottawa's mean temperature has increased by 2.2 ± 0.5°C (95% CI). #YowWx #OttWeather #OttNews
7 days ago
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Tomorrow's forecast low of -25°C could be the lowest temperature #Ottawa has recorded in almost 3 years, since Feb 4th, 2023. #YowWx #OttWeather
8 days ago
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🥇With a mean wind of 33km/h, yesterday was #Ottawa's windiest Dec 30th since records began in 1953. #YowWx #OttWeather #YOW #OttNews #ONWx
9 days ago
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🥇Today is #Ottawa's 31st consecutive December day with minimum temperature ≤-5°C which puts this run in a 7-way tie for 1st place for the longest run on record. #YowWx #OttWeather #YOW #OttNews #ONWx
9 days ago
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With a mean wind of 33.0km/h, yesterday was #Ottawa's windiest day since Family Day, 2025. #YowWx #OttWeather
9 days ago
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With a forecast high of just -15°C, tomorrow is forecast to be #Ottawa's coldest day in almost 3 years, since Feb 4th, 2023. #YowWx #OttWeather
9 days ago
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🥇With a max gust of 70km/h, today is #Ottawa's windiest Dec 30th since records began in 1955. #YowWx #OttWeather #YOW #OttNews #ONWx
10 days ago
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🥈With a max gust of 67km/h, yesterday was #Ottawa's windiest Dec 29th in more than 60 years, since 1963. #YowWx #OttWeather #YOW #ONWx
10 days ago
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Today is #Ottawa's 27th day with snow this December which raises 2025 from 5th to 2nd place for the most during December. #YowWx #OttWeather #YOW #OttNews #ONWx
10 days ago
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Today is #Ottawa's 26th day with snow this December which raises 2025 from 9th to 5th place for the most during December. Just 1 more day to get to 2nd place. #YowWx #OttWeather #YOW #ONWx
10 days ago
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Today is #Ottawa's 26th day with snow this December which raises 2025 from 9th to 5th place for the most during December. Just 1 more day to get to 2nd place. #YowWx #OttWeather #YOW #ONWx
11 days ago
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With a high of just -14.5°C, yesterday was #Ottawa's coldest day in more than 2 years, since Feb 4th, 2023. #YowWx #OttWeather #OttNews
13 days ago
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Today is #Ottawa's first -28 windchill of the season. Typical first is December 30. Record earliest is Nov 21, 2018; latest never, 2023. #YowWx #OttWeather
13 days ago
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Ottawa storm shield activated.
13 days ago
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#Ottawa's Boxing Day weather extremes #YowWx #OttWeather
13 days ago
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A messy winter storm is possible on Monday. Details here (free for members):
https://buymeacoffee.com/rolfcampbell/messy-winter-storm-monday
14 days ago
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Merry white #Christmas #Ottawa [17cm on the ground this morning]. 22 of the past 30 Christmases have been white. Today is Ottawa's 2nd consecutive white Christmas. #YowWx #OttWeather
15 days ago
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#Ottawa white Christmases over the past 50 years (2025 edition) #YowWx #OttWeather #OttNews
15 days ago
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#Ottawa's 🎄Christmas Day🎁 weather extremes #YowWx #OttWeather
15 days ago
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With a forecast high of -14°C, tomorrow could be #Ottawa's coldest Boxing Day since 1968. #YowWx #OttWeather
15 days ago
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🥉With 16.4cm of snow, yesterday was #Ottawa's snowiest Dec 23rd in more than 70 years, since 1954. #YowWx #OttWeather #YOW #OttNews #ONWx
16 days ago
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With 16.4cm of snow, yesterday was #Ottawa's snowiest day since Feb 16th, 2025. #YowWx #OttWeather
16 days ago
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With a 7pm snow total of 14cm, today is #Ottawa's snowiest day since Mar 29th. #YowWx #OttWeather
16 days ago
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🥇With a mean wind of 30km/h, yesterday was #Ottawa's windiest Dec 21st since records began in 1953. #YowWx #OttWeather #YOW #OttNews #ONWx
18 days ago
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🥇With a max gust of 72km/h, today is #Ottawa's windiest Dec 21st since records began in 1955. #YowWx #OttWeather #YOW #ONWx
18 days ago
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Today at 5am, the wind was 57km/h which made it #Ottawa's windiest hour since Feb 28th, 2024 #YowWx #OttWeather
18 days ago
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We've been doing well with snow depth so far this snow-year, but today's reading will be zero. I still promise a white Christmas.
20 days ago
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🥈With a max gust of 72km/h, yesterday was #Ottawa's windiest Dec 19th in almost 70 years, since 1956. #YowWx #OttWeather #YOW #OttNews #ONWx
20 days ago
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🥇With a mean wind of 29km/h, yesterday was #Ottawa's windiest Dec 19th since records began in 1953. #YowWx #OttWeather #YOW #OttNews #ONWx
20 days ago
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With a 1pm rain total of 4.4mm, today is #Ottawa's wettest Dec 19th in almost 70 years, since 1957. #YowWx #OttWeather #YOW #OttNews #ONWx
20 days ago
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