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Figure : in-observed-number-of-very-cold-nights
Observed Number of Very Cold Nights
Figure 14.3Cooperative Institute for Climate and Satellites - NC
Kenneth E. Kunkel
The observed number of very cold nights (annual number of days with minimum temperature below 0°F) for 1900–2014, averaged over 5-year periods; these values are averages from 21 available long-term reporting stations. The dark horizontal line represents the long-term average. The number of extremely cold nights has been below average since the 1990s. From 2005 to 2009, the number of days with minimum temperature less than 0°F was about half of the long-term average, indicative of overall winter warming in the region. Source: CICS-NC and NOAA NCEI.
Free to use with credit to the original figure source.
The time range for this figure is January 01, 1900 (00:00 AM) to December 31, 2014 (00:00 AM).
This figure was created on April 13, 2015.
The spatial range for this figure is 37.7717° to 41.7607° latitude, and -84.7846° to -88.0975° longitude.
ProvenanceThis figure was derived from dataset Global Historical Climatology Network - Daily using the activity in-very-cold-nights-noaa-ncdc-ghcn-daily-process
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