Daily Report for 14th June 2018

<<Previous Day
Reset
Next Day>>
Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.9 °C (+2.0) 23:15 12.3 °C (+0.9) 15.3 °C (+3.4), 2021 7.7 °C (-4.2), 2012
Maximum Temperature 23.1 °C (+2.2) 17:19 22.0 °C (+1.8) 28.3 °C (+7.4), 2021 17.2 °C (-3.7), 2015
Mean Temperature 17.4 °C (+2.1) 16.9 °C (+1.3) 22.2 °C, 2021 13.8 °C, 2012
Minimum Humidity 45% 17:39 55% 76%, 2016 34%, 2013
Maximum Humidity 88% 09:17 90% 94%, 2020 75%, 2017
Mean Humidity 70% 74% 84%, 2016 55%, 2017
Minimum Pressure 1010 hPa 11:25 1015 hPa 1023 hPa, 2014 994 hPa, 2016
Maximum Pressure 1017 hPa 23:42 1019 hPa 1027 hPa, 2014 1000 hPa, 2016
Mean Pressure 1013 hPa 1017 hPa 1025 hPa, 2014 996 hPa, 2016
Mean Wind Speed 7.0 mph (+2.6) 3.9 mph (-0.5) 7.6 mph, 2024 2.0 mph, 2022
Maximum Wind Speed 17.2 mph 07:59 10.6 mph 17.5 mph, 2024 9.4 mph, 2010
Maximum Gust 26.5 mph 13:25 16.0 mph 27.6 mph, 2024 13.0 mph, 2011
Mean Wind Direction WSW
Rainfall 0.2 mm 0.6 mm (3%) 8.6 mm, 2016
Maximum Hourly Rain 0.2 mm 4.1 mm, 2016
Maximum 10-min Rain n/a 2.7, 2016
Maximum Rain Rate n/a 42, 2016
Minimum Dew Point 8.9 °C 23:01 9.6 °C 12.1 °C, 2021 2.6 °C, 2012
Maximum Dew Point 14.4 °C 12:29 14.4 °C 18.4 °C, 2021 10.7 °C, 2013
Mean Dew Point 11.5 °C 12.0 °C 15.2 °C, 2021 6.9 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 14.1 °C * 03:19 12.5 °C 15.7 °C, 2014 7.7 °C, 2012
Day Maximum (09-21) 23.1 °C 17:27 22.0 °C 28.3 °C, 2021 17.2 °C, 2015
Max 10m Temp Rise 0.9 °C 13:03 0.7 °C 1.0 °C, 2022 0.5 °C, 2010
Max 1hr Temp Rise 3.4 °C 13:45 2.5 °C 4.4 °C, 2022 1.6 °C, 2016
Max 1hr Hum Rise 12% 22:41 9% 20%, 2023 4%, 2016
Max 10m Temp Fall 0.6 °C 17:52 0.5 °C 1.1 °C, 2022 0.4 °C, 2013
Max 1hr Temp Fall 3.2 °C 22:36 1.9 °C 3.2 °C, 2018 1.3 °C, 2019
Max 1hr Hum Fall 25% 13:43 13% 25%, 2018 6%, 2016
Max 10m Wind Speed 14.0 mph 08:02 8.0 mph 14.0 mph, 2018 6.5 mph, 2014
Minimum Feels-like 14.9 °C 23:15 13.4 °C 17.6 °C, 2021 6.6 °C, 2012
Maximum Feels-like 25.0 °C 16:30 25.1 °C 34.3 °C, 2021 18.5 °C, 2012
Mean Feels-like 19.4 °C 19.3 °C 26.4 °C, 2021 14.2 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.2 °C (+0.2) 9.7 °C (+0.9) 16.6 °C (+7.6), 2023 4.3 °C (-4.7), 2016
Humidity Range 43% 35% 50%, 2009 13%, 2016
Pressure Range 7 hPa 3 hPa 14 hPa, 2010 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [40%]78 hrs (86%) [37%] 14 [93%], 2022 [0%], 2024
Wet Hours 12.5 hrs (14%) [0.7%] 4, 2012 , 2024
Cloud Cover am: Overcast
pm: Mostly Sunny
Events None
Comments 08-10 Rain spells
Extra Comments painted rain gauge white
Issues false rain tips due to maintenance removed
Observer Absent? No
Pond Temperature (Heath) 0.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 14th June 2018.
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 are derived based on analysis of webcam observations, but may use data from our closest site, Heathrow, when needed.
Wet hrs are dervied algorithmically from rainfall data, though may be adjusted manually.
Rainfall totals may be manually adjusted after the fact to correct delayed or erroneous data.
Cloud cover and Events are manually reported, often with multi-week delays.
Data is generally reliable and accurate but should always be viewed with some quantity of salt to hand.
View monthly summary

Daily Graph of Conditions

day graph

Webcam Summary of Cloud Conditions

daycamsumLarge resolution version

Wind rose