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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 Thursday, January 20, 2022.
measured in percent relative humidity
RegionCAMSMorningAfternoonCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
North West - all times are in CST
6 6767686868686970697179818174707677777675 FEW NA 6 1 IDEM
31 7270697273758083838282828076757471687066 FEW NA 31 1 IDEM
86 5857585960616468687477787568676867656567 FEW NA 86 1 IDEM
RegionCAMSMorningAfternoonCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
North Central - all times are in EST
5 828183838490887574716466707369696872747677 FEW 5 1 IDEM
RegionCAMSMorningAfternoonCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
North East - all times are in EST
70 808386878891888584726264615754565756597267 FEW 70 1 IDEM
RegionCAMSMorningAfternoonCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
West Central - refer to the first data column for each site's specific time zone
EST36 757473737577788078757469666465656877808588 FEW 36 1 IDEM
CST38 7272727272737170686360555352525354565756 FEW NA 38 1 IDEM
RegionCAMSMorningAfternoonCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
East Central - all times are in EST
39 707478808182807979767368645552534649575453 FEW 39 1 IDEM
42 616671717171717172716965615655545863595052 FEW 42 1 IDEM
78 59646869696968686969 PM64605553525661574852 FEW 78 1 IDEM
RegionCAMSMorningAfternoonCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
South West - refer to the first data column for each site's specific time zone
CST33 77797978797879 LOST787775727068666564626262 FEW NA 33 1 IDEM
CST52 7677777778798079787473717067656564666665 FEW NA 52 1 IDEM
EST67 646770707373757473666156525050504950485457 FEW 67 1 IDEM
RegionCAMSMorningAfternoonCAMSPOCEntity
Mid 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:0010:0011:00Noon 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00
South East - all times are in EST
4 666867646466696968737166605856565559565250 FEW 4 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.