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Ed Hawkins Dan Harris Apart from the obvious hourly interest, this is a great teaching resource to show people the importance of wind direction (and air mass) on regional temperatures - relevant to regional climatology as well as a snapshot of hourly weather. Well done, Dan H (again!).

Yesterday's (30th May) daily #sunshine totals from the 03xxx SYNOP sites. #Saint Helier was the sunniest location with 11.3 hours of #sun. roostweather.com/ukobs/dailysun…

Provisional Daily Summary (30/0900Z to 31/0859Z). Max Temp (09Z-21Z): 22.1 C Min Temp (21Z-09Z): 11.7 C Rainfall: 0.0 mm Sunshine (00-24Z): 6.7 hours Max Gust: 12.8 mph Timelapse (North) - roostweather.com/timelapses.php… Timelapse (South) - roostweather.com/timelapses.php… Powered by Davis VP2

31st May minimum temperatures and anomalies (compared to '91-'20 average) from the 03xxx SYNOP sites. #Altnaharra No 2 was the coldest location with a min #temperature of 4.1C. roostweather.com/ukobs/mintemp_…

Yesterday's (30th May) daily extremes across the #UK, compiled from SYNOP reports. Check them out, and also view them for your country, at roostweather.com/ukobs/combined…

"Average" difference from normal is defined here as the median anomaly.... should we use the mean or the mode instead? We chose the median so that large localised anomalies didn't skew the UK stat.

#May2025 mean #temperatures and anomalies, estimated for individual 03xxx sites from SYNOP reports. 1 missing ob per site allowed. The estimated UK-wide mean #temperature is 11.7C roostweather.com/ukobs/temp_mon…

Today's (31st May) maximum temperatures and anomalies (compared to '91-'20 average) from the 03xxx SYNOP sites. #Heathrow was the warmest location with a max #temperature of 26.8C. roostweather.com/ukobs/maxtemp_…

Here are all the official SYNOP sites (03xxx group) which recorded their #warmestdayoftheyearsofar on 31st May 2025. Marco Petagna Greg Dewhurst Met Office

Yesterday's (31st May) daily #sunshine totals from the 03xxx SYNOP sites. #Wittering was the sunniest location with 10.6 hours of #sun. roostweather.com/ukobs/dailysun…

#May2025 #sunshine totals and anomalies, calculated for 03xxx sites from SYNOP reports. #Ronaldsway was the sunniest location with a total of 301.7 hours of sun. roostweather.com/ukobs/sun_mont…

Provisional Daily Summary (31/0900Z to 01/0859Z). Max Temp (09Z-21Z): 20.9 C Min Temp (21Z-09Z): 9.2 C Rainfall: 0.0 mm Sunshine (00-24Z): 2.8 hours Max Gust: 11.6 mph Timelapse (North) - roostweather.com/timelapses.php… Timelapse (South) - roostweather.com/timelapses.php… Powered by Davis VP2

1st June minimum #temperatures and anomalies (compared to '91-'20 average) from the 03xxx SYNOP sites. #Dyce, and #Redesdale Camp were the coldest low-level (<=250m) sites with a min of 5.6C. roostweather.com/ukobs/mintemp_…

Yesterday's (31st May) daily extremes across the #UK, compiled from SYNOP reports. Check them out, and also view them for your country, at roostweather.com/ukobs/combined…

Today's (1st June) maximum temperatures and anomalies (compared to '91-'20 average) from the 03xxx SYNOP sites. #Heathrow was the warmest location with a max #temperature of 23.3C. roostweather.com/ukobs/maxtemp_…

Yesterday's (1st Jun) daily #sunshine totals from the 03xxx SYNOP sites. #Shannon Airport was the sunniest location with 11.3 hours of #sun. roostweather.com/ukobs/dailysun…

Provisional Daily Summary (01/0900Z to 02/0859Z). Max Temp (09Z-21Z): 18.6 C Min Temp (21Z-09Z): 7.0 C Rainfall: 0.0 mm Sunshine (00-24Z): 4.6 hours Max Gust: 14.7 mph Timelapse (North) - roostweather.com/timelapses.php… Timelapse (South) - roostweather.com/timelapses.php… Powered by Davis VP2

2nd June minimum temperatures and anomalies (compared to '91-'20 average) from the 03xxx SYNOP sites. #Eskdalemuir was the coldest low-level (<=250m) location with a min #temperature of 4.9C. roostweather.com/ukobs/mintemp_…

Yesterday's (1st Jun) daily extremes across the #UK, compiled from SYNOP reports. Check them out, and also view them for your country, at roostweather.com/ukobs/combined…

#UK #climate summary for May 2025 from NCIC. Mean Temp: 12.0C (=4th warmest). Rainfall: 50.9 mm (51st driest). Sunshine: 266.2 hours (2nd sunniest). See summaries for your region, for all months going back to 1919 - roostweather.com/ukobs/monthly_…