UMBS Weather table

includes current air temperature, minimum and maximum temperatures, precipitation, and cloud cover

UMBS_weather_1980to2022.csv

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Variables

Date

Label: Date
Definition: Date on which data collection is occurring.
Type: Date/time
Date format: YYYY-MM-DD
Missing values: None specified

Time

Label: Time
Definition: Time at which data collection began, recorded in 24-hour time. Time was not recorded prior to 2017-10-01.
Type: Date/time
Date format: hh:mm
Missing values:
- NA = Attribute was not collected on this date.

Max_Temperature

Label: Maximum Air Temperature
Definition: Maximum air temperature reached over the previous 24 hours. Measured by National Weather Service liquid-in-glass thermometers at Weather Service shelter to the nearest degree. When specified in flags and notes, temperature records were supplied with data logged by an iButton Thermochron in the Weather Service Shelter, by the UV-B temperature sensor in the UV Field, or using historic temperature data from the Pellston Regional Airport of Emmet County. 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.
Type: Physical quantity
Unit: fahrenheit
Maximum: 97
Minimum: -6
Precision: 1
Missing values:
- NA = Attribute was not collected on this date.

Min_Temperature

Label: Minimum Air Temperature
Definition: Minimum air temperature reached over the last 24 hours. Measured by National Weather Service liquid-in-glass thermometers at Weather Service shelter to the nearest degree. When specified in flags and notes, temperature records were supplied with data logged by an iButton Thermochron in the Weather Service Shelter, by the UV-B temperature sensor in the UV Field, or using historic temperature data from the Pellston Regional Airport of Emmet County. 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.
Type: Physical quantity
Unit: fahrenheit
Maximum: 78
Minimum: -31
Precision: 1
Missing values:
- NA = Attribute was not collected on this date.

Current_Temperature

Label: Current Air Temperature
Definition: Air temperature at time of observation. Measured by National Weather Service liquid-in-glass thermometers at Weather Service shelter to the nearest degree. When specified in flags and notes, temperature records were supplied with data logged by an iButton Thermochron in the Weather Service Shelter, by the UV-B temperature sensor in the UV Field, or using historic temperature data from the Pellston Regional Airport of Emmet County. 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.
Type: Physical quantity
Unit: fahrenheit
Maximum: 83
Minimum: -30
Precision: 1
Missing values:
- NA = Attribute was not collected on this date.

Precipitation_Belfort

Label: 24-Hour Precipitation Measured with Belfort
Definition: Precipitation from the previous 24 hours. Measured to the nearest 1/100 inch with a Belfort Rainfall Transmitter 5915 in the UV Field located immediately northwest of the Biological Station campus. Measurements were recorded on charts and transcribed to the nearest hundredth inch.
Type: Physical quantity
Unit: inch
Maximum: 48.00
Minimum: 0.00
Precision: 0.01
Missing values:
- NA = Attribute was not collected on this date or zero rain was measured on this date.

Precipitation_ETI

Label: 24-Hour Precipitation Measured with ETI
Definition: Precipitation from between 12:00 and 11:59 on this calendar day. Measured to the nearest 1/100 inch with an ETI NOAH IV Total Precipitation Gauge in the UV Field located immediately northwest of the Biological Station campus. Measurements were logged in a Campbell Scientific CR1000 data logger.
Type: Physical quantity
Unit: inch
Maximum: 117.00
Minimum: 0.00
Precision: 0.01
Missing values:
- NA = Attribute was not collected on this date or zero rain was measured on this date.

Snowfall

Label: 24-Hour Snow Accumulation
Definition: Snow from the previous 24 hours. Measured with a ruler to the nearest 1/4 inch until 2019-05-01, and measured to the nearest 1/10 inch from 2019-05-01 until present. Measured in the UV Field located immediately northwest of the Biological Station campus on snowboards using National Weather Service according to National Weather Service snow measurement guidelines.
Type: Physical quantity
Unit: inch
Maximum: 47.0
Minimum: 0.0
Precision: 0.1
Missing values:
- NA = Attribute was not collected on this date or zero snow was measured on this date.

Snow_On_Ground

Label: Accumulated Snow Depth
Definition: Accumulated snow depth. Measured with a ruler to the nearest inch. Measured in the UV Field located immediately northwest of the Biological Station campus on snowboards using National Weather Service according to National Weather Service snow measurement guidelines.
Type: Physical quantity
Unit: inch
Maximum: 136
Minimum: 0
Precision: 1
Missing values:
- NA = Attribute was not collected on this date or zero snow was measured on this date.

Sky_Cover

Label: Sky Cover
Definition: Amount of cloud cover as observed from Weather Service shelter. Described in oktas.
Type: Code list
Codes:
- 0 = 0 oktas. Complete absence of clouds.
- 1 = 1 okta. 1 eighth or less of the sky dome covered by clouds, but not an absence of clouds..
- 2 = 2 oktas. 2 eighths of the sky dome covered by clouds.
- 3 = 3 oktas. 3 eights of the sky dome covered by clouds.
- 4 = 4 oktas. Half of the sky dome covered by clouds.
- 5 = 5 oktas. 5 eighths of the sky dome covered by clouds.
- 6 = 6 oktas. 6 eighths of the sky dome covered by clouds.
- 7 = 7 oktas. 7 eighths or more of the sky dome covered by clouds, but not full cloud cover.
- 8 = 8 oktas. Full cloud cover with no breaks.
- 9 = 9 oktas. Sky obscured by fog or other meteorological phenomena.
Missing values:
- NA = Attribute was not collected on this date.

Cloud_Type

Label: Cloud Type
Definition: Cloud type observed from Weather Service shelter, classified in one of the 10 basic cloud types.
Type: Code list
Codes:
- STRATUS = Primarily stratus (St) clouds observed.
- CUMULUS = Primarily cumulus (Cu) clouds observed.
- NIMBOSTRATUS = Primarily nimbostratus (Ns) clouds observed.
- CIRROCUMULUS = Primarily cirrocumulus (Cc) clouds observed.
- STRATOCUMULUS = Primarily stratocumulus (Sc) clouds observed.
- CIRRUS = Primarily cirrus (Ci) clouds observed.
- CIRROSTRATUS = Primarily cirrostratus (Cs) clouds observed.
- ALTOCUMULUS = Primarily altocumulus (Ac) clouds observed.
- ALTOSTRATUS = Primarily altostratus (As) clouds observed.
Missing values:
- NA = Attribute was not collected on this date or no clouds were observed on this date.

Notes

Label: Other Notes
Definition: Other notes about weather conditions. Includes extraneous weather and instrumentation changes and damage.
Type: Nominal
Missing values: None specified

Flag_Max_Temperature

Label: Flags for Maximum Air Temperature
Definition: Flags relating to Max_Temperature data field for this observation.
Type: Code list
Codes:
- R = Data entry error. Value has been replaced by historic data from the Pellston Regional Airport of Emmet County from wunderground.com.
- I = Possible instrument change. See notes field.
Missing values:
- NA = No flags exist for corresponding data.

Flag_Min_Temperature

Label: Flags for Minimum Air Temperature
Definition: Flags relating to Min_Temperature data field for this observation.
Type: Code list
Codes:
- R = Data entry error. Value has been replaced by historic data from the Pellston Regional Airport of Emmet County from wunderground.com.
- I = Possible instrument change. See notes field.
Missing values:
- NA = No flags exist for corresponding data.

Flag_Current_Temperature

Label: Flags for Current Air Temperature
Definition: Flags relating to Current_Temperature data field for this observation.
Type: Code list
Codes:
- R = Data entry error. Value has been replaced by historic data from the Pellston Regional Airport of Emmet County from wunderground.com.
- I = Possible instrument change. See notes field.
Missing values:
- NA = No flags exist for corresponding data.

Flag_Precipitation_Belfort

Label: Flags for 24-Hour Precipitation Measured with Belfort
Definition: Flags relating to Precipitation_Belfort data field for this observation.
Type: Code list
Codes:
- T = Trace amounts of precipitation measured.
- R = Data entry error. Data value potentially out-of-range.
- I = Possible instrument change. See notes field.
Missing values:
- NA = No flags exist for corresponding data.

Flag_Precipitation_ETI

Label: Flags for 24-Hour Precipitation Measured with ETI
Definition: Flags relating to Precipitation_ETI data field for this observation.
Type: Code list
Codes:
- T = Trace amounts of precipitation measured.
- R = Data entry error. Data value potentially out-of-range.
- I = Possible instrument change. See notes field.
Missing values:
- NA = No flags exist for corresponding data.

Flag_Snowfall

Label: Flags for 24-Hour Snow Accumulation
Definition: Flags relating to Snowfall data field for this observation.
Type: Code list
Codes:
- T = Trace amounts of precipitation measured.
- R = Data entry error. Data value potentially out-of-range.
- I = Possible instrument change. See notes field.
Missing values:
- NA = No flags exist for corresponding data.

Flag_Snow_On_Ground

Label: Flags for Accumulated Snow Depth
Definition: Flags relating to Snow_On_Ground data field for this observation.
Type: Code list
Codes:
- T = Trace amounts of precipitation measured.
- R = Data entry error. Data value potentially out-of-range.
- I = Possible instrument change. See notes field.
Missing values:
- NA = No flags exist for corresponding data.

CSV Orientation:

Long table

Quote Character:

Double Quote

CSV Field Delimter:

Comma (,)

CSV Record Delimiter:

Newline (Windows, \r\n)

Field	Value
mimetype	text/csv
filesize	1.11 MB
resource type	file upload
timestamp	May 10, 2023

UMBS Weather table

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