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June 2006

(all temperatures in degrees Celsius; all averages 1961 – 1990)

Mean daily maximum: 19.4
Difference from average: +1.9

Mean daily minimum: 9.9
Difference from average: +1.3

Mean air temperature: 14.7
Difference from average: +1.7

Absolute maximum: 26.2 (12th)

Absolute minimum: 5.9 (27th)

Mean grass minimum: 7.7

Absolute grass minimum: 3.5 (3rd)

Number of ground frosts: 0

Number of air frosts: 0

Mean soil temperature at 30cm depth: 16.0

Mean soil temperature at 100cm depth: 13.5

(all totals in millimetres; all averages 1961 – 1990)

Total for the month: 14
Difference from average: -37.8

Percentage of the average: 27%

Wettest day: 5.2 (25th)

Number of rain days (>0.25mm): 6

Number of wet days (=> 1mm): 6

3-month total rainfall to 30th June: 142.1
Difference from average: +9.7

6-month rainfall total to 30th June: 249.7
Difference from average: +53.8

12-month rainfall total to 30th June: 605.4
Difference from average: -43.6

(Averages for 09:00 hours GMT)

Relative Humidity: 70.3%

(all averages 1961 – 1990)

Total for the month: 166.4 hours
Difference from average: +2.7

Percentage of the average: 101.6%

Mean daily sunshine: 5.5 hours
Difference from average: 0.05

Sunniest day: 13.1 hours (9th)

Number of days with no recorded sunshine: 1

Cumulative total sunshine since 1st January: 677.8 hours
Difference from average: -12.1


The mean wind speed: 9.4km/h [5.1kt]
Difference from average: -2.2km/hr

The highest gust: 66.7km/h [36kt] from 210° at 15:18 GMT on 20th


Comments on June 2006
June was warm in Durham. The mean air temperature of 14.7°C was only the highest since 2003, but that still makes it the second warmest June since 1976 and the 8th equal warmest June since 1850. Unusually, the record holders are not recent years: 1940 is the warmest June on record at Durham (15.9°C) followed by 1858 (15.6°C). Like mean air temperature, the mean daily maximum was the highest since 2003 and, before that, 1976, and in all the 7th highest since 1950. Mean minimum was less far above average; nevertheless, it was still the 6th equal highest since 1950. The absolute maximum of 26.2°C on the 11th is the 6th highest since 1962; this may well have been the warmest Sunday for Durham Regatta on record. The absolute minimum of 5.9°C is the third highest for June since 1961, bettered only in 1970 and 2003.

June was a very dry month, the lowest June total since 1996 and 11th lowest since 1852. Despite ongoing concerns about the rain gauge, the Met Office website shows that 27% of the mean monthly total is just about right for Durham. Despite the low rainfall total, there was only an average amount of sunshine.

Professor Tim Burt
Department of Geography
Durham University