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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, January 20, 2020.
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 81838383848585868990898989857977737475 FEW NA NA 6 1 IDEM
31 81838079787979798180767070707276787972 FEW NA NA 31 1 IDEM
86 81838281838485858890888987888579697071 FEW NA 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 8787869091909191919291878679777477808183 FEW NA 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
7 8788899090909090888069656764636263656766 FEW NA 7 1 IDEM
70 8990909090919090918480787775737373767681 FEW NA 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 8686868888888887888887858380767576788082 FEW NA 36 1 IDEM
CST38 80818181818181828382828078757273737679 FEW NA 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 8686878788899091918885807672737572707582 FEW NA 39 1 IDEM
42 8383838484858586868481767267656568717473 FEW NA 42 1 IDEM
78 7877777979797978797874696460565759636666 FEW NA 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 79797980818182828080797674737475747575 FEW NA NA 33 1 IDEM
CST52 74747474757575757675727068676666697071 FEW NA NA 52 1 IDEM
EST67 7677777879798080808078767572716867707377 FEW NA 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 7576767677787877787976706866656466666970 FEW NA 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.