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IS GLOBAL PRECIPITATION INCREASING?


IS GLOBAL PRECIPITATION INCREASING?15-01-2016 09:17
arthur18
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Does anyone have any reliable info that shows whether global rainfall is increasing or decreasing?

http://wattsupwiththat.com/2013/03/06/nasa-satellite-data-shows-a-decline-in-water-vapor/

https://climatedataguide.ucar.edu/climate-data/gpcp-monthly-global-precipitation-climatology-project

The two sites that I have posted seem to show that world precipitation is decreasing if anything. Am I missing something?
15-01-2016 20:52
Into the Night
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arthur18 wrote:
Does anyone have any reliable info that shows whether global rainfall is increasing or decreasing?

http://wattsupwiththat.com/2013/03/06/nasa-satellite-data-shows-a-decline-in-water-vapor/

https://climatedataguide.ucar.edu/climate-data/gpcp-monthly-global-precipitation-climatology-project

The two sites that I have posted seem to show that world precipitation is decreasing if anything. Am I missing something?


There is no global precipitation data. It's not possible to tell whether precipitation has changed worldwide.

The U.S. maintains weather stations scattered across the lower 48 that contain data back to 1890. These contain precip data that far back. The central NOAA site does not use weather station data (for reasons of their own).

This data shows that precip patterns across the U.S. has not changed outside of normal variation since 1890.

You can look at this data at http://cdiac.ornl.gov/epubs/ndp/ushcn/ushcn_map_interface.html


The Parrot Killer
Edited on 15-01-2016 20:56
26-08-2016 22:59
StephenS20
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It could be, because warmer air would be able to hold more moisture. This could result in higher precipitation totals.
31-12-2016 11:49
MattS
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UK rainfall data shows no trend since 1860.




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