Measure | Value (anomaly) | Time |
Month cumul. | Record High | Record Low |
Minimum Temperature |
7.3 °C (+2.3) |
07:17 |
3.0 °C (-1.2) |
8.1 °C (+3.1), 2010 |
0.0 °C (-5.0), 2013 |
Maximum Temperature |
14.1 °C (+2.0) |
15:21 |
9.6 °C (-1.2) |
17.2 °C (+5.1), 2011 |
1.1 °C (-11.0), 2013 |
Mean Temperature |
10.5 °C (+2.2) |
|
6.3 °C (-1.2) |
11.2 °C, 2010 |
0.6 °C, 2013 |
Minimum Humidity |
42% |
16:26 |
56% |
79%, 2010 |
21%, 2017 |
Maximum Humidity |
92% |
03:38 |
89% |
95%, 2010 |
68%, 2013 |
Mean Humidity |
66% |
|
74% |
90%, 2010 |
50%, 2017 |
Minimum Pressure |
1008 hPa |
02:45 |
1013 hPa |
1032 hPa, 2022 |
994 hPa, 2024 |
Maximum Pressure |
1015 hPa |
18:15 |
1020 hPa |
1036 hPa, 2019 |
1003 hPa, 2010 |
Mean Pressure |
1012 hPa |
|
1016 hPa |
1034 hPa, 2012 |
1000 hPa, 2010 |
Mean Wind Speed |
4.1 mph (-1.1) |
|
4.0 mph (-1.2) |
9.8 mph, 2013 |
1.6 mph, 2011 |
Maximum Wind Speed |
12.4 mph |
10:34 |
10.5 mph |
22.1 mph, 2023 |
7.1 mph, 2011 |
Maximum Gust |
21.0 mph |
08:39 |
18.4 mph |
38.0 mph, 2009 |
8.7 mph, 2011 |
Mean Wind Direction |
W |
|
|
|
|
Rainfall |
3.5 mm |
|
35.2 mm (112%) |
4.9 mm, 2009 |
|
Maximum Hourly Rain |
1.6 mm |
02:40 |
|
2.3 mm, 2009 |
|
Maximum 10-min Rain |
0.4 mm |
02:05 |
|
2.3 mm, 2009 |
|
Maximum Rain Rate |
2.2 mm/h |
01:59 |
|
16 mm/h, 2010 |
|
Minimum Dew Point |
0.7 °C |
19:17 |
-1.4 °C |
6.2 °C, 2010 |
-9.4 °C, 2017 |
Maximum Dew Point |
7.9 °C |
04:06 |
5.1 °C |
11.8 °C, 2010 |
-4.4 °C, 2013 |
Mean Dew Point |
3.9 °C |
|
1.8 °C |
9.7 °C, 2010 |
-5.5 °C, 2013 |
Measure | Value | Time |
Month cumul. | Record High | Record Low |
Night Minimum (21-09) |
7.3 °C |
07:17 |
3.4 °C |
10.7 °C, 2010 |
0.0 °C, 2013 |
Day Maximum (09-21) |
14.1 °C |
15:21 |
9.6 °C |
17.2 °C, 2011 |
1.1 °C, 2013 |
Max 10m Temp Rise |
0.4 °C |
07:41 |
0.5 °C |
1.3 °C, 2009 |
0.1 °C, 2013 |
Max 1hr Temp Rise |
1.3 °C |
09:33 |
1.6 °C |
4.5 °C, 2020 |
0.3 °C, 2013 |
Max 1hr Hum Rise |
9% |
20:07 |
7% |
10%, 2019 |
4%, 2013 |
Max 10m Temp Fall |
0.4 °C |
19:47 |
0.4 °C |
1.0 °C, 2009 |
0.1 °C, 2013 |
Max 1hr Temp Fall |
1.6 °C |
20:15 |
1.4 °C |
2.7 °C, 2015 |
0.3 °C, 2013 |
Max 1hr Hum Fall |
15% |
09:52 |
11% |
19%, 2017 |
4%, 2013 |
Max 10m Wind Speed |
10.6 mph |
09:07 |
7.5 mph |
15.2 mph, 2023 |
4.8 mph, 2011 |
Minimum Feels-like |
3.9 °C |
06:31 |
-0.4 °C |
5.0 °C, 2010 |
-7.0 °C, 2013 |
Maximum Feels-like |
14.1 °C |
14:21 |
9.1 °C |
17.2 °C, 2011 |
-2.0 °C, 2013 |
Mean Feels-like |
9.6 °C |
|
4.5 °C |
12.0 °C, 2010 |
-4.7 °C, 2013 |
Air-frost Hrs |
0 hrs |
|
0.2 hrs |
0 hrs, 2009 |
0 hrs, 2009 |
Measure | Value (anomaly) |
Month cumul. | Record High | Record Low |
Temperature Range |
6.8 °C (-0.3) |
6.6 °C (+0.0) |
13.6 °C (+6.5), 2011 |
1.1 °C (-6.0), 2013 |
Humidity Range |
50% |
32% |
59%, 2017 |
10%, 2013 |
Pressure Range |
7 hPa |
7 hPa |
15 hPa, 2024 |
2 hPa, 2013 |
Measure | Value [% of max] |
Month cumul. | Record High | Record Low |
Sun Hours |
10 [89%] | 88 hrs (98%) [33%] |
11.3 [101%], 2020 |
0 [0%], 2013 |
Wet Hours |
5 [Mean rain rate: 0.7 mm/h] | 41 hrs (97%) [6.9%] |
5, 2014 |
, 2009 |
Cloud Cover |
Sunny with periods of Mostly Sunny |
Events |
None |
Comments |
o.night Rain |
Extra Comments |
|
Issues |
Wind data from Tottenham (TODO: calibration) |
Observer Absent? |
Yes - observations may be unreliable |
Pond Temperature (Heath) |
0.0 °C |