Legacy "ISU AgClimate" 1986-~2013
"ISU Soil Moisture Network" ~2013-present

Daily Data Request Form:

Information: This interface accesses the archive of daily weather data collected from the Iowa State Agclimate Automated Weather stations. Please select the appropiate stations and weather variables desired below.

Data Interval:Currently you are selected to download daily data. You may wish to change this to hourly data.

Select station(s):

View station metadata

Adel (Dallas County, REFI4)
Ames - AEA ISU-RDF (Boone County, BOOI4)
Ames - Horticulture ISU-RDF (Story County, AEEI4)
Ames - Horticulture (Vineyard) (Story County, AHTI4)
Bankston - Park Farm Winery (Vineyard) (Dubuque County, BNKI4)
Castana - Western ISU-RDF (Monona County, CNAI4)
CEA Site near Ocheyedan (Osceola County, SBEI4)
Cedar Rapids (Linn County, CIRI4)
Chariton - McNay ISU-RDF (Lucas County, CHAI4)
Crawfordsville - Southeast ISU-RDF (Louisa County, CRFI4)
Doon (Lyon County, DONI4)
Fruitland - Muscatine Island ISU-RDF (Muscatine County, FRUI4)
Glenwood - Blackwing Vineyard (Mills County, GVNI4)
Greenfield - Neely Kinyon ISU-RDF (Adair County, GREI4)
Inwood - Calico Skies Winery (Lyon County, CSII4)
Kanawha (Hancock County, KNAI4)
Lewis - Armstrong ISU-RDF (Pottawattamie County, OKLI4)
Marcus (Cherokee County, MCSI4)
Masonville - Timeless Prairie Orchard (Buchanan County, TPOI4)
Nashua - Northeast ISU-RDF (Floyd County, NASI4)
Newell - Allee ISU-RDF (Buena Vista County, NWLI4)
Oskaloosa Tassel Ridge (Vineyard) (Mahaska County, OSTI4)
Sutherland - Northwest ISU-RDF (Obrien County, CAMI4)
Wellman (Washington County, WMNI4)
West Point (Lee County, WTPI4)

Select the time interval:

When selecting the time interval, make sure you that choose * valid * dates.
Year:Month:Day:
Starting On:
Ending On:

Options:

Select from available variables
High Temperature [F]
Low Temperature [F]
Minimum Relative Humidity [%]
Average Relative Humidity [%]
Maximum Relative Humidity [%]
Growing Degree Days (base 50) [F]
Solar Radiation [MJ]
Precipitation [inch]
Average Wind Speed [mph]
Wind Gust [mph]
Reference Evapotranspiration (alfalfa) [inch]
Daily Low 4 inch Soil Temperature [F]
Daily Average 4 inch Soil Temperature [F]
Daily High 4 inch Soil Temperature [F]
Daily Low 12 inch Soil Temperature [F]
Daily Average 12 inch Soil Temperature [F]
Daily High 12 inch Soil Temperature [F]
Daily Low 24 inch Soil Temperature [F]
Daily Average 24 inch Soil Temperature [F]
Daily High 24 inch Soil Temperature [F]
Daily Low 50 inch Soil Temperature [F]
Daily Average 50 inch Soil Temperature [F]
Daily High 50 inch Soil Temperature [F]
12 inch Soil Moisture [%]
24 inch Soil Moisture [%]
50 inch Soil Moisture [%]

Vineyard Station-only Variables
Sorry for the cryptic labels, this is a current work in progress.
lwmv_1
lwmv_2
lwmdry_1_tot
lwmcon_1_tot
lwmwet_1_tot
lwmdry_2_tot
lwmcon_2_tot
lwmwet_2_tot
bpres_avg

View on web browser or  
Download directly to disk

How should the data be formatted?:  

Submit your request:

Meaning of Data Columns

station
National Weather Service Location Identifier for the site. This is a five character identifier.
valid
Date of the observation
high
High Temperature [F]
low
Low Temperature [F]
rh
Average Relative Humidity [%]
rh_max
Maximum Relative Humidity based on hourly observations [%]
rh_min
Minimum Relative Humidity based on hourly observations [%]
gdd50
Growing Degree Days [F]
solar
Solar Radiation [MJ/m^2]
precip
Precipitation [inch]
speed
Average Wind Speed [mph], 10 minute average, 10 ft above ground
gust
Peak Wind Gust [mph], 10 minute average, 10 ft above ground
et
Evapotranspiration [inch]
soil04tn
Daily Low 4 inch Depth Soil Temperature [F]
soil04t
Daily Average 4 inch Depth Soil Temperature [F]
soil04tx
Daily High 4 inch Depth Soil Temperature [F]
soil12tn
Daily Low 12 inch Depth Soil Temperature [F]
soil12t
Daily Average 12 inch Depth Soil Temperature [F]
soil12tx
Daily High 12 inch Depth Soil Temperature [F]
soil24tn
Daily Low 24 inch Depth Soil Temperature [F]
soil24t
Daily Average 24 inch Depth Soil Temperature [F]
soil24tx
Daily High 24 inch Depth Soil Temperature [F]
soil50tn
Daily Low 50 inch Depth Soil Temperature [F]
soil50t
Daily Average 50 inch Depth Soil Temperature [F]
soil50tx
Daily High 50 inch Depth Soil Temperature [F]
soil12vwc
Average 12 inch Depth Soil Volumetric Water Content [%]
soil24vwc
Average 24 inch Depth Soil Volumetric Water Content [%]
soil50vwc
Average 50 inch Depth Soil Volumetric Water Content [%]