Catalog Item
Haystack Reservoir and Dam (HAY) Daily Minimum Air Temperature Time Series Data
Haystack Reservoir and Dam (HAY) minimum daily air temperature in degrees Fahrenheit (F).
Catalog Record Title
Haystack Reservoir and Dam (HAY) Water Operations Monitoring Data from Columbia-Pacific Northwest Water Operations Monitoring
Generation Effort
Columbia-Pacific Northwest Water Operations Monitoring
Location Name
Haystack Reservoir and Dam (HAY)
Type
Time series
Modeled/Observed
Observed
Start Date
Fri Dec 10 2010 12:00:00 GMT-0700 (Mountain Standard Time)
End Date
Mon Apr 27 2026 01:00:00 GMT-0600 (Mountain Daylight Time)
Parameter Name
Air Temperature
Parameter Group
Weather Data
Parameter Transformation
minimum
Time Step
daily
Parameter Unit
DegF
Item Vertical Datum
Update Frequency
daily
Last Update
Tuesday, April 28th, 2026
Disclaimer
Data are provisional and subject to revision unless otherwise noted. Data users are cautioned to consider carefully the provisional nature of the information before using it.

