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The highly variable winter of 1866-67


Roger J Smith
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  • Location: Rossland BC Canada
  • Location: Rossland BC Canada

    We're used to big variations in temperature in winter over here, but I don't think too many winters could match this wild ride in the CET values from 1866-67. The graph below shows the daily mean temps from Dec 1 to Feb 28:

    01/12 xxxxxxxxxxx 0.3

    02/12 xxxxxxxxxxxxxxxx 4.8

    03/12 xxxxxxxxxxxxxxxxxxxxxx 10.5

    04/12 xxxxxxxxxxxxxxxxxxxxxx 11.1

    05/12 xxxxxxxxxxxxxxxxxxxxx 10.0

    06/12 xxxxxxxxxxxxxxxxxxxxxx 10.7

    07/12 xxxxxxxxxxxxxxxxxx 5.7

    08/12 xxxxxxxxxxxxxxx 2.6

    09/12 xxxxxxxxxxxxxxxxxxxx 7.9

    10/12 xxxxxxxxxxxxxxxx 3.9

    11/12 xxxxxxxxxxxxxxxxxx 6.4

    12/12 xxxxxxxxxxxxxxxxxxxxxx 9.8

    13/12 xxxxxxxxxxxxxxxxxxxx 8.2

    14/12 xxxxxxxxxxxxxxxxx 5.4

    15/12 xxxxxxxxxxxxxxxxxxxx 7.5

    16/12 xxxxxxxxxxxxxxxxxx 5.9

    17/12 xxxxxxxxxxxxxxxxxxxxx 9.0

    18/12 xxxxxxxxxxxxxxxxxxxxx 9.0

    19/12 xxxxxxxxxxxxxxx 3.0

    20/12 xxxxxxxxxxx 0.1

    21/12 xxxxxxxxxxxxxxx 3.4

    22/12 xxxxxxxxxxxxxxxxxx 5.7

    23/12 xxxxxxxxxxxxxxxxxx 6.4

    24/12 xxxxxxxxxxxxxxxxx 5.1

    25/12 xxxxxxxxxxxxxxxxxxx 6.7

    26/12 xxxxxxxxxxxxxxxxxxxx 7.5

    27/12 xxxxxxxxxxxxxxxxxxxx 7.6

    28/12 xxxxxxxxxxxxxxxxxxxxx 8.7

    29/12 xxxxxxxxxxxxxxxxxx 6.0

    30/12 xxxxxxxxxxxxxx 1.8

    31/12 xxxxxxxxxxxx -0.1

    01/01 xxxxxxxxx -2.8

    02/01 xxxxxxxx -4.1

    03/01 xxxxx -6.8

    04/01 xxx -9.3

    05/01 xxxxxxxxxxx -0.3

    06/01 xxxxxxxxxxxxxxxx 5.3

    07/01 xxxxxxxxxxxxxxxxxxxxx 9.8

    08/01 xxxxxxxxxxxxxxxxx 5.7

    09/01 xxxxxxxxxxxxxxxx 5.1

    10/01 xxxxxxxxxxxxx 1.6

    11/01 xxxxxxxxx-1.6

    12/01 xxxxxxxx-3.2

    13/01 xxxxxx -5.0

    14/01 xxxxxxx -3.9

    15/01 xxxxxxxx -2.9

    16/01 xxxxxxxxx -2.1

    17/01 xxxxxxxx -2.7

    18/01 xxxxxxxx -2.9

    19/01 xxxxxxxx -2.7

    20/01 xxxxxxxxx -1.5

    21/01 xxxxxxxx -2.9

    22/01 xxxxxxxxxxxx 0.9

    23/01 xxxxxxxxxxxxxxxxxxx 7.6

    24/01 xxxxxxxxxxxxxxxxxxx 7.6

    25/01 xxxxxxxxxxxxxxxx 5.3

    26/01 xxxxxxxxxxxxxxxxxx 6.7

    27/01 xxxxxxxxxxxxxxxxxxxxx 10.1

    28/01 xxxxxxxxxxxxxxxxxx 7.2

    29/01 xxxxxxxxxxxxxxxxxxx 8.4

    30/01 xxxxxxxxxxxxxxxxx 5.7

    31/01 xxxxxxxxxxxxxxxxx 5.7

    01/02 xxxxxxxxxxxxxxxxxxx 8.1

    02/02 xxxxxxxxxxxxxxxx 4.9

    03/02 xxxxxxxxxxxxxxxx 4.8

    04/02 xxxxxxxxxxxxxxxxx 5.6

    05/02 xxxxxxxxxxxxxxxxxxx 7.6

    06/02 xxxxxxxxxxxxxxxxx 5.6

    07/02 xxxxxxxxxxxxxxxxxxx 7.5

    08/02 xxxxxxxxxxxxxxxxxxxx 8.6

    09/02 xxxxxxxxxxxxxxxxxxx 8.3

    10/02 xxxxxxxxxxxxxxxxxx 7.3

    11/02 xxxxxxxxxxxxxxxxxx 7.1

    12/02 xxxxxxxxxxxxxxxxxxxx 8.6

    13/02 xxxxxxxxxxxxxxxxxxx 8.3

    14/02 xxxxxxxxxxxxxxxxx 6.0

    15/02 xxxxxxxxxxxxxxxxxxxxx 9.7

    16/02 xxxxxxxxxxxxxxxxxxxxx 9.9

    17/02 xxxxxxxxxxxxxxxxxxx 7.9

    18/02 xxxxxxxxxxxxxxxxxx 7.1

    19/02 xxxxxxxxxxxxxxxxxx 6.9

    20/02 xxxxxxxxxxxxxxxxxxxx 9.0

    21/02 xxxxxxxxxxxxxxxxxxxx 8.8

    22/02 xxxxxxxxxxxxxxxxxx 7.4

    23/02 xxxxxxxxxxxxxxxxxx 6.8

    24/02 xxxxxxxxxxxxxxxxxx 6.6

    25/02 xxxxxxxxxxxxxxxxxx 6.9

    26/02 xxxxxxxxxxxxxxx 3.4

    27/02 xxxxxxxxxxxxxxx 3.5

    28/02 xxxxxxxxxxxxx 1.9

    So, very large swings of temperature especially in January.

    Edited by Roger J Smith
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