r/OttawaWxRecords • u/YOW-Weather-Records • 1d ago
Near record rain. 24.2mm of rain brought Ottawa within 2.7 mm of the most rain recorded on Oct 13th.
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r/OttawaWxRecords • u/YOW-Weather-Records • 1d ago
With a min humidity of 91%, yesterday was Ottawa's moistest day since Jun 14th.
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r/OttawaWxRecords • u/YOW-Weather-Records • 2d ago
Near record rain. 20.6mm of rain brought Ottawa within 6.3 mm of the most rain recorded on Oct 13th.
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r/OttawaWxRecords • u/YOW-Weather-Records • 2d ago
Historically, today is Ottawa's last day of the year with a median high temperature ≥ 15°C.
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r/OttawaWxRecords • u/YOW-Weather-Records • 3d ago
Yesterday between 9am➜noon, the temp jumped from 6.9°C➜17.8°C which was Ottawa's largest 3-hour jump since Mar 3rd, 2025
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r/OttawaWxRecords • u/YOW-Weather-Records • 3d ago
Yesterday between 8am➜noon, the temp jumped from 4.4°C➜17.8°C which was Ottawa's largest 4-hour jump since Mar 3rd, 2025
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r/OttawaWxRecords • u/YOW-Weather-Records • 5d ago
Today is Ottawa's first frost of the season. Typical first is October 10. Record earliest is Sep 6, 1888; latest Oct 27, 2011.
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r/OttawaWxRecords • u/YOW-Weather-Records • 9d ago
🥉With a mean wind of 24km/h, yesterday was Ottawa's windiest Oct 5th in 60 years, since 1966.
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r/OttawaWxRecords • u/YOW-Weather-Records • 9d ago
With a mean wind of 23.5km/h, yesterday was Ottawa's windiest day since Jun 19th.
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r/OttawaWxRecords • u/YOW-Weather-Records • 12d ago
Ottawa just had its lowest September maximum temperature since September 2009. The maximum temperature was 26.6°C.
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r/OttawaWxRecords • u/YOW-Weather-Records • 12d ago
🥇Wednesday was Ottawa's 30th consecutive September day with minimum temperature ≥4°C which puts this run in a 11-way tie for 1st place for the longest run on record.
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r/OttawaWxRecords • u/YOW-Weather-Records • 12d ago
🥇Wednesday was Ottawa's 21st consecutive September day with <1mm of precip which puts this run in a 2-way tie for 1st place for the longest run on record.
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r/OttawaWxRecords • u/YOW-Weather-Records • 12d ago
For only the 12th time in recorded history, Ottawa stayed above 3.9°C during an entire September (September 2026).
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r/OttawaWxRecords • u/YOW-Weather-Records • 13d ago
September summary: Ottawa broke (or almost broke) 0 records during September.
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r/OttawaWxRecords • u/YOW-Weather-Records • 13d ago
Ottawa's weather extremes for September 2026:
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r/OttawaWxRecords • u/YOW-Weather-Records • 13d ago
During September 2026, Ottawa had 15 above median days and 15 below median days (by maximum temperature).
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r/OttawaWxRecords • u/YOW-Weather-Records • 15d ago
🥈Yesterday was Ottawa's 20th consecutive September day with <1mm of precip which puts this run in 2nd place for the longest run on record.
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r/OttawaWxRecords • u/YOW-Weather-Records • 16d ago
🥈Yesterday was Ottawa's 19th consecutive September day with <1mm of precip which puts this run in 2nd place for the longest run on record.
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r/OttawaWxRecords • u/YOW-Weather-Records • 17d ago
🥈Yesterday was Ottawa's 18th consecutive September day with <1mm of precip which puts this run in 2nd place for the longest run on record.
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r/OttawaWxRecords • u/YOW-Weather-Records • 17d ago
🥈With a mean wind of 22km/h, yesterday was Ottawa's windiest Sep 27th in more than 60 years, since 1964.
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r/OttawaWxRecords • u/YOW-Weather-Records • 17d ago
With a mean wind of 22.1km/h, yesterday was Ottawa's windiest day since Jun 19th.
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r/OttawaWxRecords • u/YOW-Weather-Records • 18d ago
Streak over. After 11 consecutive September days with no precipitation in Ottawa, there was a trace of precipitation today. We made it to 6th place, only 7 days behind the record.
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r/OttawaWxRecords • u/YOW-Weather-Records • 18d ago
Yesterday was Ottawa's 17th consecutive September day with <1mm of precip which puts this run in 4th place for the longest run on record.
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r/OttawaWxRecords • u/YOW-Weather-Records • 18d ago
Historically, today is Ottawa's last day of the year with a median high temperature ≥ 20°C.
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