USGS 414129087575201 WEATHER STATION AT CSSC NR LEMONT, IL

PROVISIONAL DATA SUBJECT TO REVISION

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This site is operated in cooperation with the

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Chicago District - Chicago, Illinois



This station managed by the Urbana Field Office.

Available Parameters Available Period
  
2019-07-02  2026-01-16
2023-11-09  2026-02-20
2024-02-09  2026-01-16
2019-07-02  2026-01-16
2023-11-09  2026-02-20
2023-11-09  2026-02-20
2024-02-09  2026-01-16
2023-11-09  2026-02-20
2023-11-09  2026-02-20
2023-11-09  2026-02-20







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Temperature, air, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Temperature, air, degrees Celsius, LI-COR
Most recent instantaneous value: 1.3 02-20-2026   09:30 CST
Graph of Temperature, air, degrees Celsius

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Wind direction, degrees clockwise from true north
 
-- Data temporarily unavailable for the time period specified --

Precipitation, total, inches
 
-- Data temporarily unavailable for the time period specified --

Relative humidity, percent, LI-COR
Most recent instantaneous value: 80.6 02-20-2026   09:30 CST
Graph of Relative humidity, percent

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Barometric pressure, uncorrected, kilopascals, LI-COR
Most recent instantaneous value: 97.9 02-20-2026   09:30 CST
Graph of Barometric pressure, uncorrected, kilopascals

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Wind speed, meters per second
 
-- Data temporarily unavailable for the time period specified --

Latent-heat flux, watts per square meter, LI-COR
Most recent instantaneous value: -2.4 02-20-2026   09:30 CST
Graph of Latent-heat flux, watts per square meter

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Sensible-heat flux, watts per square meter, LI-COR
Most recent instantaneous value: 84.4 02-20-2026   09:30 CST
Graph of Sensible-heat flux, watts per square meter

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Evapotranspiration total, millimeters, LI-COR
Most recent instantaneous value: -0.00 02-20-2026   09:30 CST
Graph of Evapotranspiration total, millimeters

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