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University of Michigan Biological Station Weather Observations 1980 to Present

Abstract: 
This data set includes daily year-round weather measurements and observations recorded at the University of Michigan Biological Station (UMBS) from 1980-present. Parameters include maximum and minimum temperatures, precipitation, snowfall, snowpack, and estimated cloud cover and type recorded daily at approximately 08:00. Maximum and minimum temperatures were measured at the Biological Station campus with National Weather Service liquid-in-glass thermometers housed in a Cotton Region Shelter located on State Road. Precipitation was measured in the “UV Field” located immediately northwest of the Biological Station campus with a Belfort Rainfall Transmitter 5915 from 1/1/1980 to 1/7/2020 and with an ETI NOAH IV Total Precipitation Gauge from 5/12/2009 to present. Snowfall and snowpack were measured in the UV Field on snowboards according to National Weather Service snow measurement guidelines. Cloud cover was estimated in oktas and classified into one of the ten basic cloud types.

Data and Resources

Methods: 
Maximum and minimum temperatures were measured at the Biological Station campus with National Weather Service liquid-in-glass thermometers housed in a Cotton Region Shelter located on State Road. Measurements were recorded to the nearest degree Fahrenheit. When temperatures were not collected daily from the Cotton Region Shelter, temperatures logged on a Maxim Integrated DS1921G iButton located in the Cotton Region Shelter or by a Vaisala X sensor in the "UV Field" located immediately northwest of the Biological Station campus. Temperature values recorded in the UV Field were multiplied by a correction factor (.882 for max temps and .847 for min temps) calculated by BVK in June 2016. Precipitation was measured in the UV Field with a Belfort Rainfall Transmitter 5915 from 1/1/1980 to 1/7/2020 and with an ETI NOAH IV Total Precipitation Gauge from 5/12/2009 to present. ETI data were recorded from 00:00-11:59 from 5/12/2009 to 1/7/2020 and from 08:00-07:59 from 1/8/2020 to the present. Measurements from the Belfort were recorded on charts and transcribed to the nearest hundredth inch. Measurements from the ETI were logged on a Campbell Scientific CR1000 data logger. Snowfall and snowpack were also measured in the UV Field on snowboards using National Weather Service according to National Weather Service snow measurement guidelines (https://www.weather.gov/media/coop/Snow_Measurement_Guidelines-2014.pdf). Cloud cover was estimated in oktas and classified into one of the ten basic cloud types.
FieldValue
Publisher
Modified
2024-04-11
Release Date
2020-06-24
Spatial / Geographical Coverage Area
POINT (-84.67360496521 45.55977287568)
Spatial / Geographical Coverage Location
Douglas Lake, MI, USA
Temporal Coverage
Tuesday, January 1, 1980 - 00:00 to Thursday, April 30, 2020 - 00:00
Granularity
temporal
Author
Robert Vande Kopple
Contact Name
Jason Tallant
Contact Email
Status
Public Access Level
Public
Publication Date: 
Friday, June 26, 2020