Daily Report for 17th December 2025
Based on data up to 05:29
Measure Value (anomaly) Time
Month cumul. Record High Record Low
Minimum Temperature
1.4 °C (-2.1)
04:21
6.3 °C (+2.6)
11.8 °C (+8.3), 2015
-6.0 °C (-9.5), 2010
Maximum Temperature
4.1 °C (-3.7)
00:07
11.2 °C (+2.8)
15.2 °C (+7.4), 2015
-0.8 °C (-8.6), 2010
Mean Temperature
2.5 °C (-2.9)
9.1 °C (+2.7)
13.6 °C, 2015
-3.0 °C, 2010
Minimum Humidity
89%
00:40
80%
92%, 2013
67%, 2015
Maximum Humidity
94%
05:15
92%
98%, 2009
84%, 2016
Mean Humidity
92%
87%
96%, 2013
79%, 2015
Minimum Pressure
1016 hPa
00:00
1005 hPa
1040 hPa, 2021
995 hPa, 2010
Maximum Pressure
1017 hPa
05:04
1015 hPa
1043 hPa, 2021
1002 hPa, 2010
Mean Pressure
1017 hPa
1010 hPa
1041 hPa, 2021
998 hPa, 2010
Mean Wind Speed
1.3 mph (-3.8)
5.8 mph (+0.7)
9.0 mph, 2009
0.7 mph, 2016
Maximum Wind Speed
5.3 mph
05:29
15.3 mph
22.8 mph, 2009
4.6 mph, 2016
Maximum Gust
6.9 mph
03:17
23.5 mph
33.1 mph, 2009
6.3 mph, 2016
Mean Wind Direction
WNW
Rainfall
n/a
34.0 mm (109%)
6.1, 2013
Maximum Hourly Rain
n/a
2.1, 2014
Maximum 10-min Rain
n/a
0.7, 2013
Maximum Rain Rate
n/a
3.6, 2014
Minimum Dew Point
0.2 °C
04:20
4.5 °C
8.3 °C, 2015
-8.0 °C, 2010
Maximum Dew Point
2.6 °C
00:07
8.9 °C
12.4 °C, 2015
-3.8 °C, 2010
Mean Dew Point
1.3 °C
7.0 °C
10.0 °C, 2015
-5.8 °C, 2010
Measure Value Time
Month cumul. Record High Record Low
Night Minimum (21-09)
1.4 °C
04:22
7.1 °C
12.7 °C, 2015
-4.4 °C, 2022
Day Maximum (09-21)
* n/a *
10.9 °C
15.2, 2015
-, 2025
Max 10m Temp Rise
0.3 °C
04:35
0.4 °C
0.6 °C, 2016
0.2 °C, 2010
Max 1hr Temp Rise
0.8 °C
05:21
1.1 °C
2.3 °C, 2022
0.5 °C, 2019
Max 1hr Hum Rise
2%
01:32
4%
12%, 2009
1%, 2023
Max 10m Temp Fall
0.5 °C
00:37
0.4 °C
0.5 °C, 2025
0.1 °C, 2014
Max 1hr Temp Fall
1.2 °C
01:03
1.1 °C
1.6 °C, 2010
0.3 °C, 2014
Max 1hr Hum Fall
1%
04:02
6%
12%, 2017
1%, 2025
Max 10m Wind Speed
4.5 mph
05:29
11.3 mph
15.1 mph, 2009
3.5 mph, 2016
Minimum Feels-like
-1.3 °C
05:02
4.4 °C
13.0 °C, 2015
-9.0 °C, 2010
Maximum Feels-like
4.1 °C
00:10
11.9 °C
16.9 °C, 2015
-0.8 °C, 2010
Mean Feels-like
1.8 °C
8.6 °C
14.9 °C, 2015
-5.7 °C, 2010
Air-frost Hrs
n/a
0.1 hrs
24, 2010
0, 2025
Measure Value (anomaly)
Month cumul. Record High Record Low
Temperature Range
2.7 °C (-1.6)
4.9 °C (+0.2)
9.2 °C (+4.9), 2017
1.6 °C (-2.7), 2019
Humidity Range
5%
12%
26%, 2009
4%, 2019
Pressure Range
1 hPa
9 hPa
17 hPa, 2024
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