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Chicago temperatures for today from 2:00 AM to 4:45 AM Tue, Oct 4th 2022.
The following chart reports hourly Chicago temperature today (Tue, Oct 4th 2022). The lowest temperature reading has been 44.6 degrees fahrenheit at 4:15 AM, while the highest temperature is 46.94 degrees fahrenheit at 2:51 AM.
Chicago humidity today from 2:00 AM on Tue, Oct 4th 2022 until 4:45 AM.
The following chart shows hourly Chicago humidity today (Tue, Oct 4th 2022). The lowest humidity reading has been 81.34 percent at 3:55 AM, while the highest recorded humidity is 87.19 percent at 2:10 AM.
Chicago barometric pressure today from 2:00 AM on Tue, Oct 4th 2022 until 4:45 AM.
The following chart outlines hourly Chicago barometric pressure today (Tue, Oct 4th 2022). The lowest barometric pressure reading has been 30.25 inHg at 3:45 AM, while the highest recorded barometric pressure is 30.26 inHg at 4:40 AM.
Chicago wind speeds today from 2:00 AM on Tue, Oct 4th 2022 until 4:45 AM.
The following chart displays hourly Chicago wind speed today (Tue, Oct 4th 2022). The lowest wind speed reading has been 3mph at 4:10 AM, while the highest observed wind speed is 3mph at 2:55 AM.
Chicago wind gusts today from 2:00 AM on Tue, Oct 4th 2022 until 4:45 AM.
The following chart provides hourly Chicago wind gusts today (Tue, Oct 4th 2022). No recorded wind gusts so far.
Chicago rain amount today from 2:00 AM on Tue, Oct 4th 2022 until 4:45 AM.
The following chart reports hourly Chicago precipitation today (Tue, Oct 4th 2022). No recorded precipitation so far.
Chicago dew points today from 2:00 AM on Tue, Oct 4th 2022 until 4:45 AM.
The following chart displays hourly Chicago dew points today (Tue, Oct 4th 2022). The lowest dew point reading has been 41 degrees fahrenheit at 3:51 AM, while the highest dew point is 42.8 degrees fahrenheit at 2:10 AM.
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The "Approx. Precipitation / Rain Total" is calculated in whole based on the last measurement from each hour reported - which is accumulative and reset at the beginning of each hour - ideally. However, some stations reset at the wrong time, such as a few minutes after the hour. We have tried to account for this issue. Most gauges report multiple times per hour. For example, a measurement of precipitation at 8:15am could be 0.04 in. of water - then when a measurement is taken at 8:30am might be 0.06 in. - and at 8:56am might be 0.08 in. So, the accumulative total for that hour would be 0.08 in. - not calculated together to equal 0.18 in. of precipitation. Finally, each hourly total for the day is summed to provide the "Approx. Precipitation / Rain Total" figure.
One other note: if the total is 0, but there was obviously rain - then the instrument is not properly distributing its data from the station. The issue could be temporary or permanent.