Hampstead nw3, London - Current Weather

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NW3 Weather is a meteorological observation site located near Hampstead, in North London, UK.
The site was established with an automatic, server-linked personal weather station in July 2010 and runs continuously.
Live data is updated at least once a minute, graphs and other data every 5 minutes. More info can be found on the About page.

Live Weather

Data recorded at 04:01:55 BST
Measure Current - ? s ago Max/Min Rate 24hr mean
icontemp Temperature 14.8 °C   steady 15.4 °C at 00:03
14.8 °C at 03:12
+0.0 °C /hr
+2.2 °C /24hr
16.7 °C
iconhumi Relative Humidity 80%   steady 81% at 03:59
72% at 00:02
+1% /hr
-8% /24hr
67%
icondewp Dew Point 11.4 °C   steady 11.6 °C at 03:59
10.4 °C at 00:21
+0.2 °C /hr
+0.7 °C /24hr
10.0 °C
iconpres Pressure 1021 hPa   rising 1021 hPa at 02:38
1020 hPa at 01:59
+1 hPa /hr
+9 hPa /24hr
1017 hPa
iconwind Wind 3.3 mph   S
Gusting to 2.9 mph
Max Speed: 7.4 mph
Max Gust: 10.2 mph
Max Hr Gust: 8.7 mph
Bft: Light breeze (F2)
5.5 mph
SW (215°)
iconrain Rainfall 0.0 mm   Max Rate: null
Max Hourly: null
Rate: 0.0 mm/h
Last 10 mins: 0.0 mm
0.0 mm
(total)
Day Temp Range:
0.6 °C
Feels Like:
16.7 °C (Daily Max: 17.0 °C)
10-min Av. Wind:
2.8 mph SSW
Hour Rain:
0.0 mm
Month Rain:
57.2 mm
Last Rain:
39 hours ago
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Latest Monthly Weather Report

July 2015

Temperature
Overall, the month was close to average, with a mean of 18.2 °C (+0.3 °C from the LTA).
The absolute low was 8.5 °C, and the highest 34.2 °C.
Rainfall
Came in somewhat wetter than the long-term average, at 58.5 mm (+39%) across 16 days of recordable rain. The most rainfall recorded in a single day (starting at midnight) was 31.9 mm. The cumulative annual total for 2015 now stands at 281.8 mm (-16%) from 92 rain days.
Sunshine
A slightly dull month, with 168 hrs (-9%) from a possible 454.
26 days had more than a minute of sunshine, the maximum being 14 hrs.
Winter Events
No snow or frost observed.
Other Events
There were no days of hail, 2 of thunder, 0 with fog at 09z. 1 day had >10 mm of rain, and 0 with gusts >30 mph.

All long-term climate averages are with respect to the period 1971-2000.   View full report

2014 Weather Report

2014 was the sixth year of records for this weather station, and the fourth complete year in its current location in nw3.
It was the wettest of these, with a 31% excess compared to the expected long-term climatic average. Five of the top-ten wettest days across all six years fell in 2014's Aug-Nov period alone, which also contains the overall wettest day, the 13th Oct 2014, with 41 mm. For the first time, more than half of days had some measurable rainfall, whilst January had just one complete dry day all month.

Despite this, 2014 was both the warmest and sunniest in my records. The mean temperature was 1.3 C above average (Across England the anomaly was similar, and moreover 2014 was the warmest year in 357 years of records). August was the only month to come in below average, while Jan-Apr all came at least two degrees above. For the first time, there was absolutely no snowfall, and the year had the fewest air frosts on record.

For the website, nw3weather saw its busiest year since launching in Sep 2010, with 75,000 visits (up from 63,000 in 2013), giving a mean figure of 206 per-day. The median was 188, since busy days (commonly very wet or windy days) skew the figure. The most in a single day was 600 on 14th Feb, a wet and extremely windy day (50 mph gusts). The fewest was 106 on 6th Sep, a quiet and overcast Saturday.
Looking ahead to 2015, this should see the completion of back-end website upgrades, with only minor UI and informational changes.

Summary of Data

Temperature
Mean 12.3 C (+1.3 C from the LTA). Absolute Min and Max: -1.4 C (30th Dec), and 31.2 C (18th Jul).
Rainfall
Total: 815.2 mm (+31%) across 185 days (51%) of recordable rain.
Highest daily (starting at midnight) total: 40.7 mm (13th Oct).
Wettest Month: 141.5 mm across 30 days (Jan). Driest: 22.9 mm (Mar); Least Rainy: 5 days (Sep).
Sunshine
Total: 1599 hrs (+9%) from a possible 4038.
Days with more than a minute of sunshine: 322 days (88%).
Winter Events
There were no days of falling snow or sleet (20 below the LTA), and 7 air frosts (-19).
Other Events
There were 2 days of hail, 14 with thunder, and 1 with fog at 09z.

These pages are useful for comparing all aspects of the weather across the years .

Updated: 10th Jan 2015

This weather station has been recording data for 2399 days (1868 at NW3)