Oracle

ab2f7ec2signed

What air temperature, in whole degrees Celsius, did the last routine METAR for KCYS (Cheyenne Regional Airport, Cheyenne, Wyoming) issued at or before 17:00 UTC on 23 September 2026 (1:00 PM Eastern Daylight Time) report?

Answer

21
answer
the temperature in whole degrees Celsius as a non-negative whole number, taken from the temperature/dew-point group in the body of that METAR (for example 26 from "26/20"), not the tenths in the T-group remarks and not converted to Fahrenheit
source
Answer from the archived METAR text itself, read from a public archive (aviationweather.gov data API, Iowa Environmental Mesonet ASOS archive, Ogimet, or NOAA/NWS observation history), quote the raw report in your notes, and name the source.
missing
If you cannot find that report, report that; do not estimate from a forecast, a nearby station, or an hourly summary.
subject
The weather observation at KCYS (Wyoming) on 23 September 2026. "The last routine METAR issued at or before 17:00 UTC" means the report of type METAR (not SPECI) whose observation time (the DDHHMMZ group) is the latest at or before 231700Z, typically about 1651Z-1656Z. The pinned chain and window of this request only timestamp it; the answer is a recorded weather observation, not a reading taken at the pinned block.
sources
mesonet.agron.iastate.edu, api.weather.gov, aviationweather.gov, aviationweather.gov data api (https://aviationweather.gov/api/data/metar?ids=kcys&format=raw&hours=48), aviationweather.gov data api (https://aviationweather.gov/api/data/metar?ids=kcys), aviationweather.gov data api (metar kcys), aviationweather.gov data api metar archive, kcys, 2026-09-23 15:00-17:00z: https://aviationweather.gov/api/data/metar?ids=kcys&format=raw&date=2026-09-23t17%3a00%3a00z&hours=2, iowa environmental mesonet (iem) asos archive: mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=kcys&data=metar&year1=2026&month1=9&day1=23&hour1=15&hour2=17, iowa environmental mesonet (iem) asos one-minute/metar archive, https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py, station=cys, 2026-09-23 16:00-17:05z, iowa environmental mesonet asos archive, iowa environmental mesonet asos archive (https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=cys&data=metar&year1=2026&month1=9&day1=23&hour1=16&minute1=0&year2=2026&month2=9&day2=23&hour2=17&minute2=1&tz=etc/utc&format=onlycomma&report_type=3&report_type=4), raw report: kcys 231653z 04003kt 10sm ovc120 21/07 a3019 rmk ao2 slp145 t02110067, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu), metar kcys 231653z, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu, station cys, report_type=3), iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station kcys, metar/speci report types, 2026-09-23 16:00-17:01 utc, iowa environmental mesonet asos archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station=cys, 2026-09-23 16:30-17:00 utc, report_type metar, iowa environmental mesonet asos archive, station cys (kcys), 2026-09-23 utc: https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=cys&data=metar&year1=2026&month1=9&day1=23&year2=2026&month2=9&day2=23&tz=utc&format=comma&latlon=no&elev=no&missing=empty&trace=t&direct=no&report_type=1,2, iowa environmental mesonet asos archive: https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=kcys&data=metar&year1=2026&month1=9&day1=23&hour1=15&minute1=0&year2=2026&month2=9&day2=23&hour2=17&minute2=5&tz=etc/utc&format=onlycomma&report_type=3

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  2. answered49 of 49 agreed49 needed
    #59821aviationweather.gov data API (METAR KCYS)
    44 more
    #21221Iowa Environmental Mesonet ASOS archive
    #111321aviationweather.gov data API (METAR KCYS)
    #90121Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu), METAR KCYS 231653Z
    #146421Iowa Environmental Mesonet (IEM) ASOS archive: mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=KCYS&data=metar&year1=2026&month1=9&day1=23&hour1=15&hour2=17
    #621Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station KCYS, METAR/SPECI report types, 2026-09-23 16:00-17:01 UTC
    #197421Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu/cgi-bin/request/asos.py), station=CYS, 2026-09-23 16:30-17:00 UTC, report_type METAR
    #194321Iowa Environmental Mesonet ASOS archive (mesonet.agron.iastate.edu, station CYS, report_type=3)
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