Daily Max Temperature Anomalies (with respect to '91-'20 climate) observed on 25th Sep 2021 (238 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
Whitby (41m, 24h max at 09Z D+1)+7.8 degC
Kinloss (5m, max of 09-21Z D/21Z-09Z D+1)+6.6 degC
Fyvie Castle (55m, max of 09-21Z D/21Z-09Z D+1)+6.5 degC
Casement Aerodrome (97m, 06Z D to 18Z D)+6.5 degC
Dublin Airport (68m, 06Z D to 18Z D)+6.5 degC
Banff, Golf Club (15m, 24h max at 09Z D+1)+6.3 degC
Astwood Bank (137m, max of 09-21Z D/21Z-09Z D+1)+6.3 degC
Colwyn Bay (36m, 24h max at 09Z D+1)+6.2 degC
Lossiemouth (7m, max of 09-21Z D/21Z-09Z D+1)+6.1 degC
Durris (107m, 24h max at 09Z D+1)+6.0 degC

Lowest 10
Kew Gardens (6m, max of 09-21Z D/21Z-09Z D+1)-0.6 degC
Heathrow (25m, max of 09-21Z D/21Z-09Z D+1)-0.6 degC
Wisley (38m, max of 09-21Z D/21Z-09Z D+1)-0.3 degC
Northolt (33m, max of 09-21Z D/21Z-09Z D+1)-0.3 degC
South Farnborough (65m, max of 09-21Z D/21Z-09Z D+1)0.0 degC
Cardinham, Bodmin (200m, max of 09-21Z D/21Z-09Z D+1)+0.1 degC
Rothamsted (128m, max of 09-21Z D/21Z-09Z D+1)+0.1 degC
Alice Holt Lodge (115m, max of 09-21Z D/21Z-09Z D+1)+0.2 degC
Hurn (10m, max of 09-21Z D/21Z-09Z D+1)+0.3 degC
Treknow (100m, 24h max at 09Z D+1)+0.4 degC

Average Anomaly = 3.4 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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