Latest RWIS Atmospheric Data
Retrieve Current Data
Retrieve Archived Date:
- RWIS stands for Road Weather Information System and is comprised of Environmental Sensor Stations (ESS) in the field, a communication system for data transfer, and central systems to collect field data from the ESS.
- This page can be used to display the latest atmospheric data from all of the the NHDOT ESS located on various NH highways and NHDOT facilities or display the latest observations received on the current day for an individual site.
- Data formats changed slightly on 1 Aug 2015.
- For archived data, date range with a station shows the start and end dates for when data may be available.