Rolf Campbell: Weather historian and forecaster. I gather statistics from Environment Canada and across the web to generate alerts & forecasts. This is a monitored account, but sometimes it takes me a couple of weeks to catch up. If you like this content, leave me a tip here: buymeacoffee.com/RolfCampbell

Due to changes in my personal availability, I will be temporarily discontinuing this account. Hopefully I can restart this in a few months. You can always show your support by donating here:
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🥇 hasn't recorded a temperature below 9°C in 126 days, which is the longest run on record.

With a forecast humidex of 26, tomorrow could be 's muggiest Sep 19th since records began in 1953.

Near record humidex. Today's 3pm humidex of 26.6 brought within 0.2 of the highest humidex ever recorded on Sep 17th.

🥈Streak over. After 15 consecutive September days with minimum temperature ≥12°C in , the minimum temperature was only 10.5°C yesterday. We made it to 2nd place, only 2 days behind the record.

Streak over. After 15 consecutive September days with minimum temperature ≥11°C in , the minimum temperature was only 10.5°C yesterday. We made it to 4th place, only 7 days behind the record.

🥉Streak over. After 88 consecutive days with minimum temperature ≥11°C in , the minimum temperature was only 10.5°C yesterday. We made it to 3rd place, only 12 days behind the record.

Streak over. After 13 consecutive September days with maximum temperature ≥20°C in , the maximum temperature was only 18.4°C yesterday. We made it to 4th place, only 1 day behind the record.

Streak over. After 13 consecutive September days with maximum temperature ≥19°C in , the maximum temperature was only 18.4°C yesterday. We made it to 5th place, only 9 days behind the record.

Near record warmth. Yesterday's high of 23.2°C brought within 0.3°C of the highest temperature ever recorded on Sep 13th.

🥉With a 3pm humidex of 26.3, today is 's muggiest Sep 13th in more than 60 years, since 1961.

Near record warmth. Today's ~3pm temp of 23.2°C brought within 0.3°C of the highest temperature ever recorded on Sep 13th.

🥉For only the 3rd time in recorded history, recorded a mean wind above 14km/h during a meteorological summer (meteorological summer 2025).

🥉For only the 3rd time in recorded history, recorded a mean wind above 14.2km/h during an August (August 2025).

Historically, today is 's last day of the year with a median high temperature ≥ 20°C.

just had its wettest August since August 2015. Total precipitation was 65.9 mm.

🥇Yesterday was 's 7th consecutive September day with minimum temperature ≥14°C which is the longest run on record.

🥈Yesterday was 's 7th consecutive September day with minimum temperature ≥13°C which puts this run in 2nd place for the longest run on record.

just had its wettest August since August 2015. Total rain was 65.9 mm.

🥇Yesterday was 's 6th consecutive September day with minimum temperature ≥14°C which puts this run in a 2-way tie for 1st place for the longest run on record.

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