Daily sunshine hours observed on 3rd June 1966 at 03xxx stations (338 reports).
Date (00Z D to 24Z D)
-1 day
+1 day
Plot hours Plot % of theoretical max
UK only UK & ROI
Highest 10
Culdrose (76 m, CS)15.3 hours
Torquay, Abbey Park (15 m, CS)15.2 hours
Teignmouth (3 m, CS)15.2 hours
Rosewarne (76 m, CS)15.2 hours
St Mawgan (103 m, CS)15.1 hours
Malvern (62 m, CS)15.0 hours
Newton Abbot (83 m, CS)14.9 hours
Exmouth, Salterton Road (59 m, CS)14.9 hours
Newquay (53 m, CS)14.9 hours
Cromer (37 m, CS)14.8 hours

Lowest 10
Tiree (9 m, CS)0.0 hours
Lowther Hill (754 m, CS)0.0 hours
Mertoun (69 m, CS)0.0 hours
St Andrews (18 m, CS)0.0 hours
Stonehaven (4 m, CS)0.0 hours
Rattray Head (26 m, CS)0.0 hours
Udny (107 m, CS)0.0 hours
Braemar (339 m, CS)0.0 hours
Banff No 2 (24 m, CS)0.0 hours
Gordon Castle (32 m, CS)0.0 hours

Average Sun = 9.4 hours

*MIDAS UK data available from 1887
*SYNOP data available from 2000
*Background satellite imagery from 25/02/2000

Data courtesy of MetOffice and OGIMET
OpenMIDAS Data - Met Office (2021): MIDAS Open: UK daily temperature data, v202107. NERC EDS Centre for Environmental Data Analysis, 08 September 2021.


Methods for measuring sunshine have changed over time, older records and some climate sites today will use a Campbell-Stokes sunshine recorder, whereas nowadays the majority of measurements will be taken using a pyrheliometer and threshold of 120 W/m^2 for sunshine. The instrumentation used is indicated by the letters in the table - WMO means a pyrheliometer was used, CS means a Campbell-Stokes recorder was used, and S means that the value was extracted from the SYNOP report (most likely to be a pyrheliometer measurement but not for certain). Clicking on an icon in the map will display a popup which also contains this information.

It is possible to convert the newer pyrheliometer measurements to a Campbell-Stokes equivalent for a fairer comparison across time, which is done for climatological purposes, and is a function which I may add to this page at some point.



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