Royston (Iceni) Weather Station

Data available by E-Mail file attachment

The Royston (Iceni) Weather Station daily observations  of temperature, pressure, rainfall, fog, snow, hail and thunder commenced on 1st May 1972 and in recent years a project to transfer the accumulated manual records to computer and then to archive on DVD has been undertaken.. The computer records consist of Microsoft Excel files which are comprised of spreadsheets of data part accompanied by graphs and charts representing this data.

With effect from 1st January 1998 automatic weather observations were commenced in addition to the manual observations and these are all in Excel files; indeed this data is downloaded directly to computer from a datalogger and exists on computer and DVD only. These new observations added wind speed and direction, relative humidity and sunshine to the elements already being recorded.

 In addition written monthly weather reports are available in Microsoft Word format from 1998 to date. These reports also include some graphs and charts.

The current availability of data for issue as file attachments to e-mail is given in the table below. If you would like to receive any of the data in this form please e-mail your request to the Weather Station Met. Observer Richard Barker on rbarker@iceni.org.uk . If you are unsure which files to request alternatively please state your requirements and let the Met. Observer decide on which are most suitable! No credit card number is required .......

Code No. Description Periods available Approx. File Size
M1X-1 25 Year Annual Means (1 file, 1 line per year) 1973/1997 90k
M1X-2 30 Year Annual Means (1 file, 1 line per year) 1973/2002 45k
M1X-3 Annual Means (continuous file, 1 line per year) 1973/Date 60k
M1X-4 25 Year Winter Means  (1 file, 1 line per year) 1973/1997 120k
M1X-5 30 Year Winter Means (1 file, 1 line per year) 1973/2002 65k
M1X-6 Winter Means (continuous file, 1 line per year) 1973/Date 70k
M1X-7 25 Year Spring Means (1 file, 1 line per year)) 1973/1997 115k
M1X-8 30 Year Spring Means (1 file, 1 line per year) 1973/2002 65k
M1X-9 Spring Means (continuous file, 1 line per year) 1973/Date 70k
M1X-10 25 Year Summer Means (1 file, 1 line per year) 1973/1997 105k
M1X-11 30 Year Summer Means (1 file, 1 line per year) 1973/2002 65k
M1X-12 Summer Means (continuous file, 1 line per year) 1973/Date 70k
M1X-13 25 Year Autumn Means (1 file, 1 line per year) 1973/1997 105k
M1X-14 30 Year Autumn Means (1 file, 1 line per year) 1973/2002 65k
M1X-15 Autumn Means (continuous file, 1 line per year) 1973/Date 70k
M1X-16 25 Year Monthly Means (1 file for each month of year, 1 line per year) January-December 1973/1997 60k per month
M1X-17 30 Year Monthly Means (1 file for each month of year, 1 line per year) January-December 1973/2002 60k per month
M1X-18 Monthly Means (continuous file for each month of year, 1 line per year)

January-December 1973/Date

 60k per month
M2X Daily Data, per month May 1972/Date 90k per month
M3X Monthly Rainfall (25 Year intervals) 1853/1875 1876/1900 1901/1925 1926/1950 1951/1975  1976/2000  2001/Date 80k  per 25 years
M4X-1 25 Year Maximum Temperature Daily Means (1 file for each month of year containing 1 line per day of month. Complete set shows maximum temperature every day for 25 years) January-December 1973/1997 20k per month
M4X-2 25 Year Minimum Temperature Daily Means (1 file for each month of year containing 1 line per day of month. Complete set shows minimum temperature every day for 25 years) January-December 1973/1997 20k per month
M4X-3 25 Year Rainfall Daily Means (1 file for each month of year containing 1 line per day of month. Complete set shows rainfall every day for 25 years) January-December 1973/1997 25k per month
M4X-4 30 Year Maximum Temperature Daily Means (similar to M4X-1 above but with extra 5 years) January-December 1973/2002 25k per month
M4X-5 30 Year Minimum Temperature Daily Means (similar to M4X-2 above but with extra 5 years) January-December 1973/2002 25k per month
M4X-6 30 Year Rainfall Daily Means (similar to M4X-3 above but with extra 5 years) January-December 1973/2002 25k per month
 M4X-7 25 Year Daily Temperature Means. Single file summary of M4X-1 and M4X-2  1973/1997 18k
 M4X-8 25 Year Daily Rainfall Means. Single file summary of M4X-3.   1973/1997 18k
M4X-9 Sunshine Daily Means (1 file for each month of year containing 1 line per day of month. Complete set shows sunshine every day from 01/01/1998 to date) 1998/Date 25k per month
 M5X-1 Annual Summaries. Monthly means and extremes, 1 line per month   1972/Date 125k per year
 M7W  Monthly Weather Reports (text plus graphs & charts)  February 1998/Date Word/500k per month
 M8X-1 Automatic Weather Station Data. Weekly files (Monday - Monday) of 5 minute observations of Temperature, Air Pressure, Relative Humidity, Wind Speed (Maximum Gust Speed and Mean Wind Speed), Wind Direction, Sunshine and Rainfall, with (from 08/06/98) weekly graphs and charts for each element  All Weeks 1998 800k per week
 M9X-1 Automatic Weather Station Data. As M8X above, but w.e.f. week commencing 16th August 1999 Dew Point and Wind Chill also All Weeks 1999 800k per week
M9X-2

Automatic Weather Station Data. Monthly files of 5 minute observations of Temperature, Air Pressure, Relative Humidity, Wind Speed (Maximum Gust and Mean Wind Speed), Wind Direction, Sunshine, Rainfall, Dew Point and Wind Chill, with monthly graphs and charts for each element (excluding Wind Chill)

 September/December 1999 3500k per month
M0X-1 Automatic Weather Station Data. As M9X-1 above All Weeks January 2000/date 800k per week
M0X-2 Automatic Weather Station Data. As M9X-2 above January 2000/date 3500k per month
Sunset on 1st December 1999 as viewed from Therfield Heath, Royston at 1545 GMT. An aircraft contrail has been particularly well illuminated by the setting sun.  After an overnight minimum temperature of 4.2°C a fine day followed on 2nd with a maximum temperature of 10.8°C and 4.1 hours sunshine, a pleasant early winter's day, in fact. Royston enjoyed a very sunny start to December with 22 hours sunshine in the first 5 days, about 45% of the month's average.

This cloudscape was taken at 0954 GMT on 18th December 1999 looking due south over the East Anglian Heights from a position close to the B1039 Barley Road about 2.5 km south-east of Royston. Once again an aircraft contrail has left its mark (at left) on the scene. A fine but cold day followed with a maximum temperature of 2.9°C and a sunshine total of 3.4 hours, after an overnight minimum temperature of -1.3°C. The communications mast of RAF Barkway can just be seen at centre on the horizon.

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(This page last updated 14th December 2007 2041 GMT)