Weather

Weather

NOAA

###15-minute precipitation ftp://ftp.ncdc.noaa.gov/pub/data/15min_precip-3260/

• CA 1971-2011: ftp://ftp.ncdc.noaa.gov/pub/data/15min_precip-3260/04/
• 2012: ftp://ftp.ncdc.noaa.gov/pub/data/15min_precip-3260/by_month2012/
• 2013: ftp://ftp.ncdc.noaa.gov/pub/data/15min_precip-3260/by_month2013/

README
Documentation

Hourly precipitation

ftp://ftp.ncdc.noaa.gov/pub/data/hourly_precip-3240/

• CA 1936-2011: ftp://ftp.ncdc.noaa.gov/pub/data/hourly_precip-3240/04/
• 2011: ftp://ftp.ncdc.noaa.gov/pub/data/hourly_precip-3240/by_month2011/
• 2012: ftp://ftp.ncdc.noaa.gov/pub/data/hourly_precip-3240/by_month2012/

FIPS Lookup

We may need to join weather station data with traffic station data. The main way to do this is via latitude/longitude. Another method is via city/county FIPS code. To assign FIPS to a weather station, we'll have to look it up via a web service:

https://www.fcc.gov/developers/census-block-conversions-api

• 2013: ftp://ftp.ncdc.noaa.gov/pub/data/hourly_precip-3240/by_month2013/

README
Documentation

Station Metadata

US station divisions: http://www.ncdc.noaa.gov/monitoring-references/maps/us-climate-divisions.php
http://www.ncdc.noaa.gov/homr/
http://www.ncdc.noaa.gov/homr/reports

• MSHR, Standard Version (DSI-9767)