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Climate Products
The climate data currently used in Conservation Planning are
generally observed by the National Weather Service (NWS) Cooperative
Network. This nationwide network currently consists of nearly 8,000
active climatic stations. Observations at cooperative stations are
performed by private citizens, institutions (such as utilities and
television stations), or state and federal agencies. The digital
record of these observations is called the Summary of Day (TD-3200). |
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Quality control procedures have been
performed on the dataset by NCDC as part of the ValHidd project
(Reek et al., 1991). The ValHidd project identified extreme data
errors, such as a maximum temperature of -99 degrees in the summer
or a precipitation amount of 40.00 inches instead of 0.40. ValHidd
also suggested replacement values where appropriate.
Extreme data errors were corrected or marked as missing and in the
Natural Resources Conservation Service's Centralized Database System
(CDBS) located in Portland, Oregon. The entire U.S. Summary of the
Day historical climate record consists of nearly 17,000 stations.
Of the nearly 17,000 NWS climate stations in CDBS, approximately
6,700 contain sufficient observation record length (greater than 20
years during the most recent normal period, 1971 - 2000, or no more
than 5 consecutive years of missing data) to provide representative
averages and probability information.
Select one of the categories at the left
for Climate Information, Reports and Data. |
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