Met Office Hadley                -2.6c.           Anomaly      -7.2c.    Provisional to 2nd.

Metcheck                             -1.69c.         Anomaly      -7.85c

Netweather                          -1.99c.         Anomaly      -8.3c.

Peasedown St John             -3.9c.   

Met Office Hadley             -1.6c.        Anomaly       -6.2c.  Provisional to 3rd.

Metcheck                          -0.96c       Anomaly       -7.12c

Netweather                       -1.05c       Anomaly       -7.36c

Peasedown  St John        -2.2c         Anomaly        -8.66c.

Met Office Hadley                -0.5c.          Anomaly     -5.0c. provisional to 4th.

Metcheck                             0.17c          Anomaly     -5.99c

Netweather                          0.28c          Anomaly     -6.03c

Darwen                               0.0c           Anomaly       -8.0c

Mansfield Woodhouse           0.0c           Anomaly       -8.5c

Peasedown st John            -0.3c           Anomaly       -6.67c.             

Can I ask where you get the Hadley CET data from? I'd like to find out whether the 2nd and 3rd March were "ice days" on the CET series (I already know that the 1st was). But the data file of daily maxima on the Hadley website currently only goes up to the end of February, and probably won't be updated till March is over.

Every day below Freezing level (0.0c) classed as an ice day.  1st, 2nd, 3rd, 4th. all Ice days. All below 0.0c.

Can I ask where you get the Hadley CET data from? I'd like to find out whether the 2nd and 3rd March were "ice days" on the CET series (I already know that the 1st was). But the data file of daily maxima on the Hadley website currently only goes up to the end of February, and probably won't be updated till March is over.

They are held in a provisional file till after month-end (called estimated data on their link)

https://www.metoffice.gov.uk/hadobs/hadcet/cet_max_est_2018

They are then adjusted (normally lower for UHI) and only then become part of the long term archive

Only the 1st was an ice day on the provisional data of CET max's (at -0.8) provisionally)

Met Office Hadley            0.7c.       Anomaly    -3.9c   Provisional to 5t.

Metcheck                         1.29c.     Anomaly     -4.87c.

Netweather                      1.44c      Anomaly     -4.87c.

Peasedown St john       0.9c.       Anomaly    -5.74c     

 

They are held in a provisional file till after month-end (called estimated data on their link)

https://www.metoffice.gov.uk/hadobs/hadcet/cet_max_est_2018

They are then adjusted (normally lower for UHI) and only then become part of the long term archive

Only the 1st was an ice day on the provisional data of CET max's (at -0.8) provisionally)

 

 

Thanks. I'm a little surprised that the 2nd and 3rd won't qualify unless there's a subsequent adjustment downwards.

 

Thanks. I'm a little surprised that the 2nd and 3rd won't qualify unless there's a subsequent adjustment downwards.

The 2nd will be close as I estimate the max CET to be -0.1C for that day.

However, the 3rd will be nowhere near an ice day as temperatures rose significantly on the morning of the 4th and the max CET for the 3rd runs for the 24 hours to 09z on the 4th.

 

The 2nd will be close as I estimate the max CET to be -0.1C for that day.

However, the 3rd will be nowhere near an ice day as temperatures rose significantly on the morning of the 4th and the max CET for the 3rd runs for the 24 hours to 09z on the 4th.

Thanks. I was stupidly thinking in terms of midnight to midnight even though, had I stopped to think, I know that's not right.

Have to say I've never really understood why it's not Midnight to Midnight?

Met Office Hadley              1.5c.         Anomaly           -3.2c.  Provisional to 6th.

Metcheck                           1.65c.       Anomaly           -4.51c

Netweather                        2.22c        Anomaly          -4.09c

Peasedown St John          1.7c         Anomaly           -4.94c. 

Have to say I've never really understood why it's not Midnight to Midnight?

I'm sure someone will correct me if I am wrong, but I think that this is part of official Met Office standards which apply to all observations that go towards the overall official statistics for any given weather station, and that would therefore not just apply to CET records.

Have to say I've never really understood why it's not Midnight to Midnight?

I think it's for consistency with early readings, which were mostly carried out by amateur observers. 9 am was a much more convenient time for them to read their thermometers than midnight would have been. No automatic logging of readings back then, of course.

Met Office Hadley              1.9c       Anomaly        -2.8c  Provisional to 7th.

Metcheck                           2.03c      Anomaly       -4.13c

Netweather                        2.62c      Anomaly       -3.69c

Cheadle Hulme Weather    2.7c.      Anomaly      -6.1c          Compared to 2017

Hexam                             1.6c        Anomaly         -6.0c               "

Mount Sorrel                      2.1c       Anomaly         -6.8c               " 

Mansfield Woodhouse          1.3c       Anomaly        -6.7c                "

Peasedown St John             2.4c.      Anomaly        -4.24c.    5 Year Average . 

Met Office Hadley            2.3c.          Anomaly      -2.5c.    Provisional to 8th.

Metcheck                         2.25c.        Anomaly      -3.91c

Netweather                      2.97c.        Anomaly      -3.34c

Peasedown St John       2.8c.          Anomaly      -3.84c. 

Met Office Hadley            2.6c.           Anomaly       -2.3c. Provisional to 9th.

Metcheck                         2.88c          Anomaly       -3.28c

Netweather                      3.25c          Anomaly       -3.06c

Peasedown St John          3.2c           Anomaly        -3.44c.

Early today as Mothers Day Dinner today    Met Office Hadley posts after 11:00

Metcheck                      3.31c.        Anomaly       -2.85c

Netweather                   3.94c         Anomaly       -2.37c

Alton                           4.3c           Anomaly       -4.5c

Canvey Island              5.1c           Anomaly       -5.3c

Darwen                        3.6c           Anomaly       -4.4c

Hexam                         2.6c          Anomaly        -5.0c

Mount Sorrel                  3.4c          Anomaly       -5.1c

Mansfield Woodhouse     3.8c          Anomaly       -5.1c   

Peasedown St John       3.8c          Anomaly       -2.84c     

Met Office Hadley           3,1c.       Anomaly      -1.8c.  Provisonal to 10th. 

Met Office Hadley           3,1c.       Anomaly      -1.8c.  Provisonal to 10th. 

Might get up to 4C or just above before falling again.