noaa-ghcn-daily.queries.q00.xq Maven / Gradle / Ivy
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(:
XQuery Filter Query
-------------------
See historical data for Key West International Airport, FL (USW00012836)
station by selecting the weather readings for December 25 over the last
10 years.
:)
let $collection := "/tmp/1.0_partition_ghcnd_all_xml/sensors"
for $r in collection($collection)/dataCollection/data
let $datetime := xs:dateTime(fn:data($r/date))
where $r/station eq "GHCND:USW00012836"
and fn:year-from-dateTime($datetime) ge 2003
and fn:month-from-dateTime($datetime) eq 12
and fn:day-from-dateTime($datetime) eq 25
return $r