Daily Report for 21st December 2025
Based on data up to 03:08
Measure Value (anomaly) Time
Month cumul. Record High Record Low
Minimum Temperature
7.6 °C (+4.2)
00:02
6.4 °C (+2.7)
10.1 °C (+6.7), 2023
-2.9 °C (-6.3), 2009
Maximum Temperature
8.2 °C (+0.5)
02:39
11.3 °C (+3.0)
13.6 °C (+5.9), 2023
1.4 °C (-6.3), 2010
Mean Temperature
8.0 °C (+2.3)
9.1 °C (+2.8)
11.6 °C, 2023
-0.5 °C, 2009
Minimum Humidity
90%
00:08
80%
93%, 2010
68%, 2023
Maximum Humidity
94%
03:00
92%
98%, 2009
83%, 2016
Mean Humidity
92%
87%
96%, 2010
79%, 2016
Minimum Pressure
1008 hPa
01:58
1005 hPa
1035 hPa, 2017
972 hPa, 2019
Maximum Pressure
1008 hPa
00:12
1014 hPa
1036 hPa, 2017
986 hPa, 2019
Mean Pressure
1008 hPa
1010 hPa
1035 hPa, 2017
980 hPa, 2019
Mean Wind Speed
2.3 mph (-2.8)
5.9 mph (+0.8)
11.9 mph, 2013
0.3 mph, 2021
Maximum Wind Speed
5.8 mph
01:35
15.7 mph
23.3 mph, 2018
5.5 mph, 2021
Maximum Gust
11.5 mph
00:39
24.3 mph
39.2 mph, 2018
10.2 mph, 2009
Mean Wind Direction
SE
Rainfall
0.2 mm
56.0 mm (145%)
9.5 mm, 2018
Maximum Hourly Rain
0.2 mm
4.4 mm, 2018
Maximum 10-min Rain
0.2 mm
1.2 mm, 2013
Maximum Rain Rate
n/a
54, 2013
Minimum Dew Point
6.1 °C
00:02
4.6 °C
8.3 °C, 2017
-4.4 °C, 2009
Maximum Dew Point
7.3 °C
03:00
9.1 °C
12.2 °C, 2020
0.8 °C, 2010
Mean Dew Point
6.8 °C
7.1 °C
9.8 °C, 2020
-1.5 °C, 2009
Measure Value Time
Month cumul. Record High Record Low
Night Minimum (21-09)
7.6 °C
00:02
7.1 °C
10.1 °C, 2017
-2.9 °C, 2009
Day Maximum (09-21)
* n/a *
10.8 °C
13.6, 2023
-, 2025
Max 10m Temp Rise
0.1 °C
00:12
0.4 °C
1.3 °C, 2009
0.1 °C, 2010
Max 1hr Temp Rise
0.3 °C
01:02
1.2 °C
1.9 °C, 2009
0.3 °C, 2025
Max 1hr Hum Rise
2%
01:02
4%
10%, 2013
2%, 2025
Max 10m Temp Fall
n/a
00:10
0.4 °C
1.3, 2009
-0, 2025
Max 1hr Temp Fall
n/a
03:06
1.1 °C
2, 2021
-0, 2025
Max 1hr Hum Fall
n/a
02:29
6%
16, 2024
-0, 2025
Max 10m Wind Speed
4.5 mph
00:24
11.6 mph
18.8 mph, 2018
3.5 mph, 2021
Minimum Feels-like
4.8 °C
00:39
4.5 °C
10.1 °C, 2023
-5.7 °C, 2009
Maximum Feels-like
8.3 °C
02:53
12.0 °C
15.7 °C, 2020
1.4 °C, 2010
Mean Feels-like
7.1 °C
8.5 °C
12.2 °C, 2023
-1.2 °C, 2010
Air-frost Hrs
n/a
0.1 hrs
12.6, 2009
0, 2025
Measure Value (anomaly)
Month cumul. Record High Record Low
Temperature Range
0.6 °C (-3.7)
5.0 °C (+0.3)
7.0 °C (+2.7), 2014
1.1 °C (-3.2), 2010
Humidity Range
4%
13%
23%, 2018
4%, 2010
Pressure Range
0 hPa
9 hPa
13 hPa, 2019
1 hPa, 2017
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