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Relative Humidity Hourly Averages

Relative humidity is a measure of the moisture present in the air expressed in percent. Warmer air has the ability to hold more water than colder air. One-hundred percent relative humidity is totally saturated air (the air cannot hold any more moisture).

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Relative Humidity Hourly Averages for Monday, August 21, 2017.
measured in percent relative humidity
RegionCAMSMorningCAMSPOCEntity
Mid 1:00
North Central - all times are in EST
5 69 NA 5 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00
North East - all times are in EST
7 84 NA 7 1 IDEM
70 93 NA 70 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00
West Central - refer to the first data column for each site's specific time zone
EST36 86 NA 36 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00
East Central - all times are in EST
39 83 NA 39 1 IDEM
42 82 NA 42 1 IDEM
78 79 NA 78 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00
South West - refer to the first data column for each site's specific time zone
EST67 84 NA 67 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00
South East - all times are in EST
4 82 NA 4 1 IDEM
59 89 NA 59 1 IDEM
Maximum values for the day are bold within the table. Minimum values are bold italic.

PLEASE NOTE: This data has not been verified by the IDEM and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from IDEM ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.