Daily Report for 18th September 2025
Based on data up to 01:48
Measure Value (anomaly) Time
Month cumul. Record High Record Low
Minimum Temperature
17.9 °C (+6.6)
01:42
12.5 °C (+0.5)
17.9 °C (+6.6), 2025
6.8 °C (-4.5), 2010
Maximum Temperature
18.1 °C (-0.4)
00:28
20.2 °C (+0.3)
24.2 °C (+5.7), 2014
15.3 °C (-3.2), 2013
Mean Temperature
18.0 °C (+3.1)
16.2 °C (+0.4)
19.2 °C, 2018
11.8 °C, 2011
Minimum Humidity
86%
00:30
59%
86%, 2025
37%, 2012
Maximum Humidity
87%
01:26
89%
96%, 2014
82%, 2012
Mean Humidity
86%
76%
86%, 2025
60%, 2012
Minimum Pressure
1018 hPa
00:43
1008 hPa
1029 hPa, 2019
995 hPa, 2013
Maximum Pressure
1018 hPa
01:40
1015 hPa
1032 hPa, 2019
1008 hPa, 2011
Mean Pressure
1018 hPa
1011 hPa
1030 hPa, 2019
1003 hPa, 2023
Mean Wind Speed
8.1 mph (+4.2)
6.3 mph (+2.4)
9.4 mph, 2018
1.6 mph, 2016
Maximum Wind Speed
12.9 mph
00:31
16.8 mph
21.3 mph, 2023
7.5 mph, 2019
Maximum Gust
20.7 mph
00:12
25.7 mph
34.6 mph, 2023
10.0 mph, 2011
Mean Wind Direction
WSW
Rainfall
n/a
48.8 mm (163%)
8.2, 2023
Maximum Hourly Rain
n/a
7.9, 2023
Maximum 10-min Rain
n/a
3.9, 2023
Maximum Rain Rate
n/a
30, 2023
Minimum Dew Point
15.6 °C
00:05
9.6 °C
15.6 °C, 2025
0.2 °C, 2012
Maximum Dew Point
15.9 °C
01:08
14.2 °C
17.7 °C, 2014
7.5 °C, 2010
Mean Dew Point
15.7 °C
11.8 °C
15.7 °C, 2025
5.4 °C, 2010
Measure Value Time
Month cumul. Record High Record Low
Night Minimum (21-09)
17.9 °C
01:37
12.6 °C
17.9 °C, 2025
6.8 °C, 2010
Day Maximum (09-21)
* n/a *
19.2 °C
24.2, 2014
-, 2025
Max 10m Temp Rise
0.1 °C
00:10
0.6 °C
0.9 °C, 2019
0.1 °C, 2025
Max 1hr Temp Rise
0.1 °C
01:01
2.5 °C
3.9 °C, 2019
0.1 °C, 2025
Max 1hr Hum Rise
1%
01:03
12%
14%, 2021
1%, 2025
Max 10m Temp Fall
0.1 °C
00:20
0.7 °C
1.0 °C, 2023
0.1 °C, 2025
Max 1hr Temp Fall
0.2 °C
01:26
2.0 °C
2.1 °C, 2019
0.2 °C, 2025
Max 1hr Hum Fall
n/a
01:01
11%
16, 2017
-0, 2025
Max 10m Wind Speed
10.0 mph
00:23
12.4 mph
16.3 mph, 2023
5.1 mph, 2019
Minimum Feels-like
22.3 °C
01:26
13.8 °C
22.3 °C, 2025
5.2 °C, 2010
Maximum Feels-like
22.6 °C
01:08
23.0 °C
28.5 °C, 2024
15.7 °C, 2013
Mean Feels-like
22.4 °C
18.4 °C
22.9 °C, 2014
11.7 °C, 2010
Air-frost Hrs
n/a
0 hrs
0, 2025
0, 2025
Measure Value (anomaly)
Month cumul. Record High Record Low
Temperature Range
0.2 °C (-7.0)
7.7 °C (-0.2)
11.4 °C (+4.2), 2019
4.4 °C (-2.8), 2018
Humidity Range
1%
30%
45%, 2012
18%, 2015
Pressure Range
0 hPa
7 hPa
19 hPa, 2012
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.
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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