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North Coast and Cascades Network climate monitoring report: Mount Rainier National Park; Water year 2010

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Author(s): Rebecca A. Lofgren, Mark Huff, William Baccus, Michael Larrabee

Document Type: Natural Resource Data Series NPS/NCCN/NRDS-2012/318
Publisher: National Park Service
Published Year: 2012
Pages: 43
DOI Identifier:
ISBN Identifier:

Climate and weather events define the ecological characteristics found in national parks and are key to understanding and interpreting changes in natural resources. Everyday park operations including; fire management, search and rescue, maintenance of park infrastructure, and visitor use are influenced by weather. Collecting weather data and maintaining climate records provides essential information needed to support park operations and to monitor park resources.

This report summarizes climate data collected in Mount Rainier National Park during the 2010 water year, and is part of a set of climate summary reports from seven national and historic parks in the North Coast and Cascades Network. Published in the National Park Service’s Natural Resource Data Series, annual climate summary reports are intended to provide basic data sets and data summaries in a timely manner, with minimal interpretation and analyses. We intend that the primary audience for this document will be National Park staff, especially decision makers, planners, and interpreters; partners; and interested public.

Temperature and precipitation data are presented from eight weather stations located within Mount Rainier National Park: Camp Muir (10,100’ elevation), Carbon River (1735’), Cayuse (5200’), Longmire (2760’), Ohanapecosh (1950’), two stations at Paradise (5550’ and 5120’), and Sunrise (6420’). Data were recorded using automated and manual instruments operated by the National Park Service and other collaborators, including the National Weather Service, National Interagency Fire Center, Natural Resources Conservation Service, and Northwest Weather and Avalanche Center. Monthly averages of daily average temperatures and monthly total precipitation are reported for all stations. Comparisons are made to the 30-year normal (1971-2000) for Longmire and Paradise, two stations with long term climate records. Snow water equivalent (SWE) is reported and compared to the 30 year normal for one SNOTEL station within the park and monthly snow depth is reported for four stations within the park.

Daily and monthly air temperature, precipitation and snowpack for the eight park weather stations are presented in individual appendices. Each appendix includes comparisons to the period of record, which varies by station. Highlights of important weather events and maintenance issues from each site are also noted.

Weather data collected in Water Year 2010 indicated that average annual temperatures and precipitation were both near normal; however significant monthly departures from normal were recorded throughout the year. Overall, conditions in winter were both warmer and drier than normal, with a shift to cooler and wetter conditions in the spring through early summer. Snowpack remained below normal during the warmer, drier winter months only to build in the wetter, cooler late spring to above normal conditions that persisted into July.

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Suggested Citations:
In Text Citation:
Lofgren and others (2012) or (Lofgren et al., 2012)

References Citation:
Lofgren, R.A., M. Huff, W. Baccus, and M. Larrabee, 2012, North Coast and Cascades Network climate monitoring report: Mount Rainier National Park; Water year 2010: Natural Resource Data Series NPS/NCCN/NRDS-2012/318, National Park Service, 43 p..