Daily Report for 18th December 2025
Based on data up to 08:01
Measure Value (anomaly) Time
Month cumul. Record High Record Low
Minimum Temperature
10.1 °C (+6.6)
01:10
6.5 °C (+2.8)
12.4 °C (+8.9), 2014
-6.0 °C (-9.4), 2010
Maximum Temperature
10.9 °C (+3.2)
07:37
11.6 °C (+3.2)
14.0 °C (+6.3), 2024
0.3 °C (-7.4), 2010
Mean Temperature
10.5 °C (+4.9)
9.4 °C (+3.0)
13.0 °C, 2014
-2.5 °C, 2010
Minimum Humidity
85%
00:04
80%
91%, 2021
73%, 2018
Maximum Humidity
94%
06:52
92%
98%, 2010
82%, 2016
Mean Humidity
92%
87%
94%, 2022
81%, 2016
Minimum Pressure
1008 hPa
04:35
1005 hPa
1039 hPa, 2021
988 hPa, 2013
Maximum Pressure
1010 hPa
00:01
1014 hPa
1041 hPa, 2021
995 hPa, 2010
Mean Pressure
1009 hPa
1010 hPa
1040 hPa, 2021
992 hPa, 2010
Mean Wind Speed
8.5 mph (+3.4)
6.2 mph (+1.1)
10.8 mph, 2024
0.8 mph, 2016
Maximum Wind Speed
17.6 mph
00:06
16.2 mph
22.0 mph, 2024
4.7 mph, 2016
Maximum Gust
28.8 mph
00:20
25.0 mph
39.2 mph, 2024
6.3 mph, 2016
Mean Wind Direction
SW
Rainfall
5.0 mm
39.0 mm (118%)
10.8 mm, 2022
Maximum Hourly Rain
2.0 mm
02:15
4.2 mm, 2013
Maximum 10-min Rain
0.8 mm
01:27
1.3 mm, 2013
Maximum Rain Rate
4.8 mm/h
03:00
9 mm/h, 2013
Minimum Dew Point
8.0 °C
00:04
4.7 °C
10.4 °C, 2014
-7.8 °C, 2010
Maximum Dew Point
9.9 °C
06:52
9.2 °C
12.1 °C, 2024
-0.4 °C, 2009
Mean Dew Point
9.2 °C
7.3 °C
11.0 °C, 2024
-3.5 °C, 2010
Measure Value Time
Month cumul. Record High Record Low
Night Minimum (21-09)
10.1 °C
01:27
7.3 °C
12.1 °C, 2014
-6.0 °C, 2010
Day Maximum (09-21)
* n/a *
10.9 °C
14, 2024
-, 2025
Max 10m Temp Rise
0.1 °C
02:13
0.4 °C
0.7 °C, 2019
0.1 °C, 2025
Max 1hr Temp Rise
0.3 °C
05:28
1.2 °C
2.8 °C, 2019
0.3 °C, 2021
Max 1hr Hum Rise
5%
01:03
4%
10%, 2018
2%, 2016
Max 10m Temp Fall
0.1 °C
00:44
0.4 °C
0.5 °C, 2017
0.1 °C, 2014
Max 1hr Temp Fall
0.3 °C
01:08
1.1 °C
2.0 °C, 2017
0.3 °C, 2014
Max 1hr Hum Fall
1%
05:32
6%
8%, 2024
1%, 2025
Max 10m Wind Speed
13.6 mph
00:27
12.0 mph
16.2 mph, 2013
3.2 mph, 2016
Minimum Feels-like
10.7 °C
01:08
4.7 °C
14.1 °C, 2014
-8.9 °C, 2010
Maximum Feels-like
12.1 °C
07:13
12.3 °C
15.8 °C, 2024
0.3 °C, 2010
Mean Feels-like
11.4 °C
8.9 °C
14.7 °C, 2014
-4.4 °C, 2009
Air-frost Hrs
n/a
0.1 hrs
20.6, 2010
0, 2025
Measure Value (anomaly)
Month cumul. Record High Record Low
Temperature Range
0.8 °C (-3.4)
5.0 °C (+0.4)
11.5 °C (+7.3), 2022
1.2 °C (-3.0), 2014
Humidity Range
9%
12%
20%, 2018
3%, 2016
Pressure Range
2 hPa
9 hPa
27 hPa, 2013
2 hPa, 2021
Extra observations pending manual input by site administrator (typically done within 24hrs unless I am away);
until then, all above data is subject to quality control.
View monthly summary
Daily Graph of Conditions
Webcam Summary of Cloud Conditions
Full resolution individual images at up-to 5 minute intervals
Wind rose
Full resolution individual images at up-to 5 minute intervals