Daily Report for 13th January 2019
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Measure | Value (anomaly) | Time | Month cumul. | Record High | Record Low |
Minimum Temperature | 8.7 °C (+6.3) | 23:57 | 4.2 °C (+1.7) | 11.4 °C (+9.0), 2011 | -0.5 °C (-2.9), 2013 |
Maximum Temperature | 11.6 °C (+4.6) | 13:31 | 7.8 °C (+0.7) | 13.3 °C (+6.3), 2011 | 0.6 °C (-6.4), 2010 |
Mean Temperature | 10.4 °C (+5.4) | 6.1 °C (+1.2) | 12.1 °C, 2011 | 0.3 °C, 2010 | |
Minimum Humidity | 65% | 20:51 | 74% | 90%, 2011 | 57%, 2017 |
Maximum Humidity | 86% | 06:46 | 87% | 98%, 2010 | 78%, 2013 |
Mean Humidity | 79% | 81% | 95%, 2011 | 70%, 2017 | |
Minimum Pressure | 1011 hPa | 17:35 | 1031 hPa | 1031 hPa, 2012 | 999 hPa, 2010 |
Maximum Pressure | 1019 hPa | 00:30 | 1036 hPa | 1033 hPa, 2012 | 1001 hPa, 2010 |
Mean Pressure | 1014 hPa | 1033 hPa | 1032 hPa, 2012 | 1000 hPa, 2010 | |
Mean Wind Speed | 8.9 mph (+3.7) | 4.2 mph (-1.0) | 8.9 mph, 2017 | 2.9 mph, 2012 | |
Maximum Wind Speed | 19.6 mph | 14:18 | 11.6 mph | 21.3 mph, 2015 | 7.6 mph, 2012 |
Maximum Gust | 28.8 mph | 14:27 | 17.4 mph | 28.8 mph, 2019 | 10.2 mph, 2012 |
Mean Wind Direction | W | ||||
Rainfall | 0.0 mm | 0.3 mm (1%) | 6.6 mm, 2015 | ||
Maximum Hourly Rain | n/a | 4.1, 2015 | |||
Maximum 10-min Rain | n/a | 1.7, 2015 | |||
Maximum Rain Rate | n/a | 42, 2015 | |||
Minimum Dew Point | 3.1 °C | 21:44 | 1.1 °C | 10.5 °C, 2011 | -4.4 °C, 2013 |
Maximum Dew Point | 8.4 °C | 13:53 | 4.8 °C | 12.0 °C, 2011 | -0.5 °C, 2017 |
Mean Dew Point | 6.9 °C | 3.1 °C | 11.3 °C, 2011 | -2.7 °C, 2013 | |
Measure | Value | Time | Month cumul. | Record High | Record Low |
Night Minimum (21-09) | * 8.9 °C * | 21:12 | 4.7 °C | 11.4 °C, 2011 | -0.4 °C, 2010 |
Day Maximum (09-21) | 11.6 °C | 13:31 | 7.6 °C | 13.3 °C, 2011 | 0.6 °C, 2010 |
Max 10m Temp Rise | 0.3 °C | 11:28 | 0.3 °C | 0.5 °C, 2017 | 0.1 °C, 2010 |
Max 1hr Temp Rise | 0.9 °C | 11:28 | 0.9 °C | 2.1 °C, 2017 | 0.3 °C, 2010 |
Max 1hr Hum Rise | 3% | 15:32 | 4% | 14%, 2017 | 2%, 2011 |
Max 10m Temp Fall | 0.3 °C | 20:20 | 0.3 °C | 1.0 °C, 2014 | 0.1 °C, 2010 |
Max 1hr Temp Fall | 1.6 °C | 21:09 | 1.0 °C | 2.1 °C, 2012 | 0.2 °C, 2010 |
Max 1hr Hum Fall | 12% | 20:17 | 6% | 12%, 2019 | 1%, 2010 |
Max 10m Wind Speed | 14.6 mph | 14:19 | 8.1 mph | 15.2 mph, 2015 | 5.6 mph, 2012 |
Minimum Feels-like | 4.7 °C | 23:46 | 0.8 °C | 12.8 °C, 2011 | -5.7 °C, 2017 |
Maximum Feels-like | 12.1 °C | 13:16 | 7.6 °C | 15.6 °C, 2011 | 0.6 °C, 2010 |
Mean Feels-like | 9.8 °C | 4.5 °C | 14.0 °C, 2011 | -2.1 °C, 2017 | |
Air-frost Hrs | 0 hrs | 0 hrs | 5 hrs, 2010 | 0 hrs, 2011 | |
Measure | Value (anomaly) | Month cumul. | Record High | Record Low | |
Temperature Range | 2.9 °C (-1.7) | 3.6 °C (-0.9) | 7.9 °C (+3.3), 2015 | 1.0 °C (-3.6), 2010 | |
Humidity Range | 21% | 13% | 29%, 2012 | 7%, 2018 | |
Pressure Range | 8 hPa | 5 hPa | 16 hPa, 2017 | 2 hPa, 2010 | |
Measure | Value [% of max] | Month cumul. | Record High | Record Low | |
Sun Hours | 0.2 [3%] | 19 hrs (102%) [20%] | 5.5 [75%], 2012 | 0 [0%], 2010 | |
Wet Hours | 0 | 1.3 hrs (5%) [0.4%] | 9, 2010 | , 2009 | |
Cloud Cover | Mostly Cloudy or Overcast | ||||
Events | None | ||||
Comments | - | ||||
Extra Comments | |||||
Issues | None known | ||||
Observer Absent? | Yes - observations may be unreliable |
- Notes
- Times of extremes are computed using the midpoint of the longest continuous period at that extreme value.
Cumulative anomalies are reported according to the expected value for the month-to-date rather than month-end.
Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
Daily Graph of Conditions

Webcam Summary of Cloud Conditions
