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September 2020 C.E.T. and EWP forecast contests


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Posted
  • Location: Rossland BC Canada
  • Location: Rossland BC Canada

    September CET averages and extremes

    ... all values since 1981 are shown, colour coded for warmest, middle and coolest thirds of the 39 years.

     

    22.6 ... warmest day (2nd, 1906)

    21.4 ... warmest day in second half (21st, 2006)

    16.8 ... warmest September (2006)

    16.6 ... second warmest (1729)

    16.3 ... third warmest (tied 1865 and 1949)

    16.0 ... fifth warmest (tied 1795, 2016)

    15.7 ... seventh warmest (1760)

    15.6 ... eighth warmest (tied with 1780) 1999

    15.4 ... tenth warmest (1895)

    15.2 ... 2005

    15.1 ... 2011, 2014

    14.9 ... 1998, 2004

    14.7 ... 1989, 1991, 2000

    14.6 ... 1985

    14.5 ... 1981

    14.4 ... 2002

    14.3  ... average 2001-2019 and 2003, 2019

    14.2 ... average 1991-2019, and 1982, 1997, 2009

    14.1 ... average 1990-2019 (14.147)

    14.0 ... average 1981-2010 and 1986-2015 and 1821-1850 (!!)

    13.8 ... 2007, 2010

    13.7 ... average 1971-2000, 1983, 1984, 1995, 2013, 2018

    13.6 ... average 1961-1990, 1987, 1996

    13.5 ... average 1701-1800, 1901-2000, 2008, 2017

    13.4 ... 1992, 2001

    13.35... average 1659-2019 (13.3493 so it rounds to 13.3)

    13.2 ... 1988, 1990

    13.1 ... average 1801-1900

    13.0 ..  2012

    12.7 ... 1994

    12.6 ... average 1659-1700, 2015

    12.4 ... 1993

    11.3 ... coldest since 1952 and tied (with 1829) 14th coldest (1986)

    11.2 ... tied twelfth coldest (1860, 1877)

    11.1 ... tied tenth coldest (1840, 1912)

    11.0 ... tied seventh coldest (1672, 1687, 1691)

    10.7 ... coldest September since 1807 and sixth coldest (1952)

    10.6 ... fifth coldest (1703)

    10.5 ... coldest (four tied, 1674,1675,1694,1807)

     6.7 ... coldest days in first half (13th and 14th, 1807)

     4.9 ... coldest day (28th, 1824)

    ____________________________________________________________________

    Enter by the end of Monday, 31 August without penalty, or with increasing late penalties to end of Thursday, 3rd September.

    (add your EWP forecast if you wish, to the CET entry) ...

    ============================================================================

     

    EWP data 1766 to 2019 (Hadley)

     

    189.8 mm __ wettest September 1766-2019 (1918)*

    139.9 mm __ wettest September 1981-2019 in 1981 

    102.0 mm __ wettest 30-year avg (1772-1801)

     81.1 mm ___ average all data 1766-2019

     77.2 mm __ average 1981-2010

     75.9 mm __ average 1990-2019

     58.4 mm __ lowest 30-year avg (1888-1917)

     16.4 mm __ driest September 1981-2019 in 2014.

      _8.0 mm __driest September 1766-2019 in 1959**

    _________________________________________________

    * 1797 and 1799 were almost as wet in the Hadley series at 185.4 mm and 186.8 mm.

    ** second driest in Hadley series since 1766 was 9.5 mm in 1865.

    __________________________________________________

    Recent EWP __ 2019 .. 124.0 ____ 2018 .. 67.0 ___ 2017 .. 106.2 ___ 2016 .. 72.0 ___ 2015 .. 62.7 ___

    ____ ____ ____ 2014 .. 16.4 _____ 2013 .. 61.8 ___ 2012 .. 92.8 ____ 2011 .. 57.0 ___ 2010 .. 86.9 ___

    Enter the EWP contest on same deadlines as CET 

    ... good luck !! ..

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    Posted
  • Location: Weston-S-Mare North Somerset
  • Weather Preferences: Hot sunny , cold and snowy, thunderstorms
  • Location: Weston-S-Mare North Somerset

    15.3c and 76.3mm please.

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    Posted
  • Location: Erith. SE London/kent 40m asl
  • Weather Preferences: Winter Snow, extreme weather, mainly sunny mild summers though.
  • Location: Erith. SE London/kent 40m asl

    14.6c and 82mm please.

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    Posted
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet
  • Location: Leeds/Bradford border, 185 metres above sea level, around 600 feet

    Pencil me in at 15.0C, 60mm.

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    Posted
  • Location: Comrie, Perthshire, Bonnie Scotland
  • Weather Preferences: Winter: bright & frosty/snowy; summer: hot and sunny.
  • Location: Comrie, Perthshire, Bonnie Scotland

    15.5°C and 40.2mm for me please.

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    Posted
  • Location: Trowbridge, Wilts
  • Weather Preferences: hot summers; frigid winters; golden fall; bright spring
  • Location: Trowbridge, Wilts

    Warm and relatively dry so I’ll go for 16.2 and 37mm please

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    Posted
  • Location: Yorkshire Puddin' aka Kirkham, Lancashire, England, United Kingdom
  • Weather Preferences: cold winters, cold springs, cold summers and cold autumns
  • Location: Yorkshire Puddin' aka Kirkham, Lancashire, England, United Kingdom

    19C  :oldsad:  Last sub 11C September in 1952.  Last sub 12C September in 1986.  Last sub 13C September in 2015.  Winter 2020/2021 is over before its even started.

    200mm from monsoons and Atlantic garbage.

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    Posted
  • Location: Birmingham (Solihull), West Midlands
  • Weather Preferences: Sunshine, thunder, hail & heavy snow
  • Location: Birmingham (Solihull), West Midlands

    14.5*C and 37mm precipitation please. Fairly average September I feel, but also fairly dry. Particularly across the South

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    Posted
  • Location: Woodland Garden, South Yorks
  • Weather Preferences: Sunny weather, thunderstorms
  • Location: Woodland Garden, South Yorks

    13.3°C, 104mm, sunshine hours 100.

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    Posted
  • Location: Basingstoke
  • Weather Preferences: In summer, a decent thunderstorm, and hot weather. In winter, snow or gale
  • Location: Basingstoke

    15.5C and 47mm.  A decent September I feel generally..

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    Posted
  • Location: Musselburgh, East Lothian; 20m elevation.
  • Weather Preferences: Extremes, preferably thunderstorms, cold and bad weather.
  • Location: Musselburgh, East Lothian; 20m elevation.

    15.5°C, 55mm please.

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    Posted
  • Location: Coniston, Cumbria 90m ASL
  • Weather Preferences: wintry
  • Location: Coniston, Cumbria 90m ASL

    14.2 C and 85 mm Please

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    Posted
  • Location: Ludgershall, Wiltshire
  • Location: Ludgershall, Wiltshire
    1 hour ago, Roger J Smith said:

    15.8 and 86.7 mm due to heavy rains late in the month.

    I hope not!  Do not want a warm September but what will be will be!

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