EVENTS DATABASE: COLD
Contains occurrences of record cold in the mid-Atlantic region.
# Occurrences: 18881
# Events: 1201 (435 with >= 10 occurrences)
Event Criteria: Consecutive Days
Occurrence Criteria: Daily temperature is greater than 2 standard deviations from long term mean.
Sources: Daily weather archives for ASOS and COOP sites.
All times listed as 12 Z, since lowest temperature typically occurs during the early morning.
The older, smaller cold database is still available by clicking here.
Interface designed by SJG for Pennsylvania State Climate Office; Summer 2005