CCAT

Weather Data: Cerro Chajnantor

Caveats

These data are results from site characterization measurements made by Cornell and Caltech with the authorization of CONICYT and in cooperation with the University of Chile and others. They are available for use by the CCAT project and other researchers, but please note:

Simon Radford, CCAT Deputy Project Manager


Summary since 2006 May

Quantity
Quartiles
Cumul. Distrib.
Variations
  Min.
  25%
  Med.
  75%
  Max.
Diurnal
Seasonal
Temperature [°C] -24.8 -9.4 -5.9 -2.8 8.9
Pressure [mbar] 500 516 518 519 524
Relative Humidity [%] 10 24 50
Absolute Humidity [g m-3] 0.3 0.7 1.5 6.3
Wind Speed (peak)† [m s-1] 7.9 11.5 15.1 204.7
Wind Speed (ave.)† [m s-1] 2.0 3.8 6.2 26.7

† Wind speed peak and average in 15 min intervals.


Events

2012 October 27 15:04 UT
Clock 1 min ahead; reset to UT.
2011 November 5 16:38 UT
Clock 2 min ahead; reset to UT.
2010 April 4 17:05 UT
Clock 2 min ahead; reset to UT.
2010 January 26 17:56 UT
Replace anemometer.
2009 September 27 14:59 UT
Anemometer broken.
2009 March 19 15:08 UT
Clock 3 min ahead; reset to UT.
2006 May 11
Unit 2 installed, clock set to UT.

Yearly and monthly summaries


2014

Month Time Series Distributions Data Diurnal
2014 pdf pdf pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2013

Month Time Series Distributions Data Diurnal
2013 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2012

Month Time Series Distributions Data Diurnal
2012 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2011

Month Time Series Distributions Data Diurnal
2011 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2010

Month Time Series Distributions Data Diurnal
2010 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2009

Month Time Series Distributions Data Diurnal
2009 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2008

Month Time Series Distributions Data Diurnal
2008 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2007

Month Time Series Distributions Data Diurnal
2007 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf
April pdf pdf txt.zip pdf
March pdf pdf txt.zip pdf
February pdf pdf txt.zip pdf
January pdf pdf txt.zip pdf

2006

Month Time Series Distributions Data Diurnal
2006 pdf pdf pdf
December pdf pdf txt.zip pdf
November pdf pdf txt.zip pdf
October pdf pdf txt.zip pdf
September pdf pdf txt.zip pdf
August pdf pdf txt.zip pdf
July pdf pdf txt.zip pdf
June pdf pdf txt.zip pdf
May pdf pdf txt.zip pdf

Data format: compressed ascii text, details
Graphics format: acrobat (pdf)