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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 Sunday, April 30, 2017.
measured in percent relative humidity
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00
North West - all times are in CST
6 100100100100100100100100100100 NA NA 6 1 IDEM
31 98100 LIM LIM100 LIM LIM LIM LIM LIM NA NA 31 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00
North Central - all times are in EST
5 8585868792949294949595 NA 5 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00
North East - all times are in EST
7 9597969594949495989898 NA 7 1 IDEM
70 1009795929799100100100100100 NA 70 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00
West Central - refer to the first data column for each site's specific time zone
EST36 100100100999999999910010098 NA 36 1 IDEM
CST38 100100100100100100100100100100 NA NA 38 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00
East Central - all times are in EST
39 9392929191919086848178 NA 39 1 IDEM
42 LIM LIM LIM LIM98 LIM9790817778 NA 42 1 IDEM
78 10099989897979693868182 NA 78 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00
South West - refer to the first data column for each site's specific time zone
CST33 LIM LIM LIM LIM LIM LIM LIM LIM LIM LIM NA NA 33 1 IDEM
CST52 89 LIM LIM92908692 LIM LIM LIM NA NA 52 1 IDEM
EST67 989797100100989083839398 NA 67 1 IDEM
RegionCAMSMorningCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00
South East - all times are in EST
4 7071747373798176737276 NA 4 1 IDEM
59 7588919294959089817974 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.