June 1909

[Weather-history]

May 1909 was the month for sunshine, June 1909 was the month for dullness, coldness and in places for its wetness. It was an absolute shocker.

Northerly winds were frequent during the month.

CET: 11.8 Coldest since 1675 and later joined by 1916 and 1972.

London Camden Square

Mean Max: 63.9F (-7.4F)

Mean Min: 48.5F (-2.4F)

Mean: 55.6F (-4.8F)

Highest Max: 75.1F on 17th

Sunshine: 91.9hrs (cf. 276.1hrs for May 1909)

Meltham

Mean max: 59.2F

Mean min: 44.9F

Mean: 52.1F

Highest maxima record for June 1909

Tenterden: 74.5F (1st)

Totland Bay: 67.2F (18th)

Pitsford: 70.4F (20th)

Torquay: 71.3F (30th)

Ross-on-Wye: 71.8F (14th)

Bolton: 66.5F (14th)

Southport: 67.8F (15th)

Hull: 68.0F (18th)

Llandudno: 67.0F (18th)

Cargen: 71.0F (14th)

Edinburgh: 65.8F (17th)

Dublin: 67.1F (14th)

Epsom: wet, sunless and cold. Max temp above 70F only on 2 days and above 65F only on 6. Mean temp: 54.2F

Wallington: Mean temp: 54.2F, 93 hrs of sunshine

Heathfield: Overcoats were worn in the day and winter quilts at night.

Mill Hill: A remarkably sunless month, 102.4hrs and only 10hrs more than February. Temperature never reached 70F

Copdock: Cold, wet and sunless. 102.6hrs of sunshine. Mean temp: 54.4F

Weymouth: Mean temp: 55.8F

Mayfield House: Mean temp: 51.9F and just 111.3hrs of sunshine.

[Summer of 95]

The statistics for that month make interesting reading indeed.

Mean maximum temp at that time for London in June was 71.3F (about 21.6C)? Comparing that with http://www.weather-uk.com/hampstead/0806M.html (which gives 19.9C as the mean max for June in London from 1971-2000) suggests it is true that Junes were hotter back then.

The sub-100 hour sunshine readings are shocking in June (and would be now); however the absolute maxima and number of warm days are comparable to several recent Junes (1991, 1997, 1998, 2002, 2007)- the fact that the 1909 observers regarded them as noteworthy suggest they expected better from June.

[Weather-history]

Edited May 26, 2009 by Mr_Data

[Weather-history]

however the absolute maxima and number of warm days are comparable to several recent Junes (1991, 1997, 1998, 2002, 2007)- the fact that the 1909 observers regarded them as noteworthy suggest they expected better from June.

Don't really agree with your analysis.

June 1909 had a CET of just 11.8, June 1997 and 1998 had CETs of 14.1 and 14.2 respectively. They weren't cool Junes overall. June 1997 had a CET of 15.4 up to mid month compare to 10.7 for June 1909.

June 2002 had a CET of 14.3 and June 2007 had a CET of 15.1

Only June 1991 can you really compare to June 1909 in that listing, at least for the CET.

CET mean maxima

June 1909: 15.5

June 1991: 16.0

June 1998: 17.9

June 1997: 18.0

June 2002: 18.7

June 2007: 19.3

Also Camden Square is a "warmer" station than Hampstead. Its data has been questioned.

Edited May 26, 2009 by Mr_Data

[Terminal Moraine]

Just had a look at the Buxton record and June 1909 came in with a mean of 10.0c, the equal 4th lowest in 138 years of records.;it was equalled in 1874, 1916, 1927 and 1978.

The only cooler Junes were in 1919 with 9.3c, 1922 with 9.9c and 1972 with 9.8c. The highest max' in June 1909 was 18.2c, the second lowest on record, only June 1972 had a lower extreme max' with a remarkably low 16.6c.