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HadUKP Data

The links in this table take you to the text files containing the daily, monthly or seasonal totals for each region. Please note that EWP monthly values start in 1766, the England and Wales sub-regions begin in 1873, and the Scotland and Northern Ireland monthly series begin in 1931. All daily series begin in 1931.

Please note, the last 6 months' values are subject to change as a result of quality control. Also please note that we have re-calculated all daily and monthly UKP values from January 2006 to date using a more representative selection of stations, to counter the effect of various station closures over the past several years and to take advantage of some new stations which are now available. We have taken steps to ensure that this will not have affected the homogeneity of the series. This re-calculation was performed in May 2011.
Full details of this re-calculation, including lists of stations used, are included within Climate Memorandum no. 29, available on request if you contact us.

Region	Daily totals	Monthly totals	Seasonal totals	Ranked Monthly	Ranked Seasonal

England & Wales	EWP	EWP	EWP	EWP	EWP
South East England	SEEP	SEEP	SEEP	SEEP	SEEP
South West England & Wales	SWEP	SWEP	SWEP	SWEP	SWEP
Central England	CEP	CEP	CEP	CEP	CEP
North West England & Wales	NWEP	NWEP	NWEP	NWEP	NWEP
North East England	NEEP	NEEP	NEEP	NEEP	NEEP

Scotland	SP	SP	SP	SP	SP
South Scotland	SSP	SSP	SSP	SSP	SSP
North Scotland	NSP	NSP	NSP	NSP	NSP
East Scotland	ESP	ESP	ESP	ESP	ESP

Northern Ireland	NIP	NIP	NIP	NIP	NIP

References

Alexander, L.V. and Jones, P.D. (2001) Updated precipitation series for the U.K. and discussion of recent extremes. Atmospheric Science Letters doi:10.1006/asle.2001.0025.
Jones, P. D. and D. Conway (1997) Precipitation in the British Isles: an analysis of area-average data updated to 1995, Int J Climatol, 17, 427-438.
Gregory J. M., P. D. Jones and T. M. L. Wigley (1991) Precipitation in Britain: an analysis of area-average data updated to 1989, Int J Climatol, 11, 331-345.
Wigley, T. M. L. and P. D. Jones (1987) England and Wales precipitation: a discussion of recent changes in variability and an update to 1985, J Climatol, 7, 231-246.
Wigley, T. M. L., J. M. Lough and P. D. Jones (1984) Spatial patterns of precipitation in England and Wales and a revised homogeneous England and Wales precipitation series, J Climatol, 4, 1-25.

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