Broken sensor: As of 8th Feb 2016 the wind sensor is broken. In its long absence, wind data is being served from a nearby weather station, Harpenden weather.
Detailed Wind Data
| Current | |
| Measure | Value |
| Gust | 9.4 mph |
| Max Gust Last Hour | 12.6 mph |
| Speed | 5.7 mph |
| 10-min Speed | 6.0 mph |
| 30-min Speed | 6.0 mph |
| 1hr Speed | 6.1 mph |
| 24hr Speed | 2.7 mph |
| Beaufort Speed | Gentle breeze (F3) |
| Direction | SSW |
| 10-min Direction | SSW |
| 30-min Direction | SW |
| 1-hr Direction | SSW |
| 24-hr Direction | W |
| --- | --- |
| Day Average Speed | 3.6 mph |
| Week Average Speed | 4.2 mph |
| Month Average Speed | 3.6 mph (-0.7) |
| Year Average Speed | 4.3 mph (-0.5) |
| 31-day Speed | 3.6 mph |
| 365-day Speed | 4.5 mph |
| Day Average Direction | W |
| Month Mean Direction | WSW |
| Current Extremes | |||||
| Measure | Today | Yesterday | Week | Month | Year |
| Max Gust | 16.8 mph 11:22 |
12.6 mph 13:08 |
24.1 mph 21st Jul |
29.4 mph 18th |
46.1 mph 23rd Feb |
| Max Windspeed | 10.6 mph 11:30 |
8.3 mph 11:59 |
16.0 mph 21st Jul |
19.3 mph 18th |
27.4 mph 23rd Feb |
| Max 10-min Speed | 7.6 mph 12:02 |
5.8 mph 11:42 |
11.4 mph 21st Jul |
12.4 mph 11th |
22.0 mph 23rd Feb |
| Calmest Day | - | - | 2.2 mph 24th Jul |
1.5 mph 5th |
0.2 mph 18th Jan |
| Windiest Day | - | - | 6.6 mph 22nd Jul |
6.6 mph 21st |
12.9 mph 23rd Feb |
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Note 1: Valid wind records began in August 2009. Note 2: Figures in brackets refer to departure from average conditions. |
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A note on "Speed" vs. "Gust":
"Speed" is the windspeed sampled over a one minute period,
"Gust" is the windspeed sampled over a 14 second period. |
| Records | |||
| Measure | Overall | July | 26th Jul |
| Max Gust | 52.6 mph 24th Dec 2013 |
43.5 mph Day 10, 2016 |
19.6 mph 2015 |
| Max Windspeed | 35.5 mph 14th Feb 2014 |
27.1 mph Day 10, 2016 |
13.0 mph 2015 |
| Max 10-min Speed | 26.6 mph 14th Feb 2014 |
20.8 mph Day 10, 2016 |
9.8 mph 2015 |
| Calmest Day | 0.2 mph 29th Oct 2016 |
0.9 mph Day 22, 2016 |
2.5 mph 2014 |
| Windiest Day | 13.9 mph 11th Mar 2013 |
12.4 mph Day 10, 2016 |
5.0 mph 2015 |
July 2017 Windrose |
2017 Windrose | |
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NB: Daily wind speed maxima & averages for the current year (and all other years on record) can be viewed here