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Thread: Old weather data

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    Default Old weather data

    The F6 forms since Jan 2005 are available on the weather page here, but does anyone know how to get daily data from before then? I tried the NCDC website, which has a ton of info that's available in comma-delimited form and can be brought right into a spreadsheet--but they didn't have anything listed for Mt. Washington for some reason, at least not that I could find.

    I emailed the observatory, and they gave some help in terms of where I might find this info (likely for a fee), but I'm hoping that someone out there has already found the old daily data, or at least knows where I can find it. I'm interested in all the data for as far back as it's been kept.
    Last edited by treant985; 02-14-2007 at 08:40 PM.

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    I was able to find info for 1948-2006, so all I need now is the early data from before 1948.

    Anyway, I put the data that I found (continuous for feb 1948 through dec. 2006) into a spreadsheet and found the following 'records' over that time:

    consecutive days at or below freezing (32f) :
    110: 12/5/1962 through 3/24/1963
    average high: 12.7 ; average low: -4.6

    consecutive days at or below zero:
    12: 1/21/1961 through 2/1/1961
    average high: -9.9 ; average low: -24.5

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    That's some interesting data...keep it coming.

    110 days below freezing? That's the entire winter. I wonder if they made it close to freezing during that period.
    Bill
    Next up: Vermont City Marathon: May, 2011
    EasternLight

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    Quote Originally Posted by Bill O
    That's some interesting data...keep it coming.

    110 days below freezing? That's the entire winter. I wonder if they made it close to freezing during that period.
    Only in two of the 110 days did the high get to 30 or higher--one day at 31 and one day right at 32.

    I can do other searches on the temperature data...like the record since Feb 1948 for consecutive days with a low of 0 or colder is:

    32: 11/29/1989 through 12/30/1989

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    Including today (2/16), Mt. Washington has gotten to -10 or colder for 14 straight days. Here are the top marks, since Feb. 1948:

    16 straight days: 1/18/1961 through 2/2/1961 (avg low: -23.1)
    14 straight days: 2/10/1968 through 2/23/1968 (avg low: -24.9)
    14 straight days: 2/3/2007 through 2/16/2007 (avg low: -19.4)

    Obviously that last one is still on-going. Looks like it might get one more day added before more mild weather ends it.

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    Default January 2004

    In January 2004 the low temp ranged from -41 to -45 for 4 straight days!
    I do not remember how balmy the high temps became on those days....

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    Quote Originally Posted by Pete S
    In January 2004 the low temp ranged from -41 to -45 for 4 straight days!
    I do not remember how balmy the high temps became on those days....
    Here's what the NCDC database shows for those days, highs and lows:

    Code:
    Month	Day	Year	HIGH	LOW
    1	12	2004	11	-1
    1	13	2004	9	-41
    1	14	2004	-23	-45
    1	15	2004	-23	-45
    1	16	2004	3	-44
    1	17	2004	15	-4

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    Quote Originally Posted by treant985
    Including today (2/16), Mt. Washington has gotten to -10 or colder for 14 straight days. Here are the top marks, since Feb. 1948:

    16 straight days: 1/18/1961 through 2/2/1961 (avg low: -23.1)
    14 straight days: 2/10/1968 through 2/23/1968 (avg low: -24.9)
    14 straight days: 2/3/2007 through 2/16/2007 (avg low: -19.4)

    Obviously that last one is still on-going. Looks like it might get one more day added before more mild weather ends it.
    Guess that last streak finally comes to an end, still at 14 days in a row. Looks like the lowest temp recorded today was -5.

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