Daily Max Temperature Anomalies (with respect to '91-'20 climate) observed on 20th Aug 1955 (54 reports).
Date (09Z D to 09Z D+1)
-1 day
+1 day UK Climate:
51-80
61-90
71-00
81-10
91-20
Anomalies Percentiles
UK only UK Plus
View Max Temperature Map
View Max Temperature Table

Highest 10
Bude (15m, 24h max at 09Z D+1)+6.8 degC
Northolt (33m, 24h max at 09Z D+1)+6.1 degC
East Malling (33m, 24h max at 09Z D+1)+5.9 degC
South Farnborough (65m, 24h max at 09Z D+1)+5.7 degC
Rothamsted (128m, 24h max at 09Z D+1)+5.3 degC
Heathrow (25m, max of 09-21Z D/21Z-09Z D+1)+5.3 degC
Oxford (63m, 24h max at 09Z D+1)+5.0 degC
Wisley (38m, 24h max at 09Z D+1)+4.6 degC
Wight: St Catherines Point (20m, 24h max at 09Z D+1)+4.6 degC
Cambridge, Botanic Garden (13m, 24h max at 09Z D+1)+4.5 degC

Lowest 10
Armagh (62m, 24h max at 09Z D+1)-1.5 degC
Skegness (6m, 24h max at 09Z D+1)-1.1 degC
Dunbar (23m, 24h max at 09Z D+1)-0.6 degC
Aldergrove (63m, max of 09-21Z D/21Z-09Z D+1)+0.3 degC
Gt Cumbrae: Millport (5m, 24h max at 09Z D+1)+0.3 degC
Colwyn Bay (36m, 24h max at 09Z D+1)+0.4 degC
Prestatyn (4m, 24h max at 09Z D+1)+0.4 degC
Buxton (307m, 24h max at 09Z D+1)+0.5 degC
Sheffield (131m, 24h max at 09Z D+1)+0.5 degC
Swanage (10m, 24h max at 09Z D+1)+0.6 degC

Average Anomaly = 2.4 degC

Data courtesy of MetOffice and OGIMET
OpenMIDAS Data - Met Office (2022): MIDAS Open: UK daily temperature data, v202207. NERC EDS Centre for Environmental Data Analysis.


UK temperature anomalies are plotted by default with respect to 1991-2020 daily climate, calculated for each individual UK site using official observation data. You can select a 30 year climate base period of your choice between 1951-1980 and 1991-2020 by selecting the appropriate radio button in the display. The daily climate is calculated by taking a 15-day rolling mean centred on the day in question, and can be visualised (with further info) here: Daily Climate.

Temperature percentiles are calculated using a 15-day climate centred on the relevant date, the climate itself using all available observations within that time window. Currently only available for UK sites.

Temperature anomalies for the Republic of Ireland are currently calculated using interpolated monthly means for the period 1981-2010, so in order to be consistent when comparing UK and ROI anomalies, select 81-10 as the climate using the radio buttons in the display window.

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