[Vision2020] Despite La Nina, Moscow's Meteorological Winter (Dec./Jan./Feb.) Saw Below Ave. Precipitation

[Paul Rumelhart]

I went to the Weather Underground (www.wunderground.com), and grabbed 
data for the last ten years for precipitation for Moscow.  I've attached 
a graph of the total precipitation for Dec/Jan/Feb for those years.

The WU site gives a total precipitation value of 6.97 inches for this 
year (Dec - Feb), which is somewhat lower than the 7.61 inches value you 
reported.  The average precipitation for the last ten years has been 
5.02 inches according to the WU site data.  I don't know where 
weather.com is getting the 8.65 inches value from.  Are they using a 
different data set?  In fact, the maximum value in the last ten years 
(the only value higher than this year) occurred during the winter of 
2003/04 and had a total of 8.24 inches.

Can you give us the URL for the data you're looking at?  I'd like to 
find out why the data is so different between the two sites.

Paul

On 03/07/2011 11:42 AM, Ted Moffett wrote:
> Total precipitation for Moscow, Idaho, according to weather.com, over
> Dec./Jan./Feb. meteorological winter 2010-11, was 7.61 inches,
> compared to a historical average of 8.65 inches.
>
> Feb. 2011 did barely exceed the historical average for Feb. monthly
> precipitation, by .03 inch, with actual precipitation at 2.55 inch,
> average at 2.52 inch.
>
> As is well known, La Nina in the Pacific in theory causes an increase
> in precipitation for Northwest US winters.
> ------------------------------------------
> Vision2020 Post: Ted Moffett
>
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