Mauna Loa Observatory

The Mauna Loa Observatory is located on the Big Island of Hawai'i.  Test racks face northeasterly winds and is located at an elevation of approximately 11,140 feet above sea level, which is in an alpine microclimate. This test site is characterized by high solar radiation and low temperatures.  

Site Details:

Property:  Earth System Research Laboratory (National Oceanic & Atmospheric Administration)
Number of Racks:  1
Rack Construction:  Stainless steel frame and 
station mounts with Trex® boards

Weather Equipment on Site
(Maintained by HCL):



Weather & Environmental Data (collected by other sources):

*Live data from the MLO test site is not available, however, data from other weather stations on Mauna Loa are available on Weather Underground, and data from the NOAA ESRL Global Monitoring Division can be found here.


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