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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 Tuesday, December 18, 2018.
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
North West - all times are in CST
6 8889929392939494 PM85797469666466707576 FEW NA 6 1 IDEM
31 LIM LIM LIM LIM LIM LIM100999378706660565660697780 FEW NA 31 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
North Central - all times are in EST
5 9291899193929393928578737067625757616869 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
North East - all times are in EST
7 8790929292939595948678747065636265707681 FEW 7 1 IDEM
70 9497949595959595959182767368616063697480 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
West Central - refer to the first data column for each site's specific time zone
EST36 9899100 LIM LIM LIM LIM LIM100 LIM LIM957768616066818990 FEW 36 1 IDEM
CST38 10010010010010010010010010092745855484849667680 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
East Central - all times are in EST
39 9293959694979999989285807470636260667886 FEW 39 1 IDEM
42 9597999999991001001009483766655494649535967 FEW 42 1 IDEM
78 8789919292939293928678726148433741435362 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
South West - refer to the first data column for each site's specific time zone
CST33 879296991009999969486696359514548536475 FEW NA 33 1 IDEM
EST67 8793989999999898979584705850364550626170 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
South East - all times are in EST
4 8791919091929293949182736756545454628183 FEW 4 1 IDEM
59 7784908991909394979587847869656258626777 FEW 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.