In the USA, 2 February is an important date for traditional weather forecasting. On this day, it is said that a groundhog emerges from hibernation to check on the weather. If it is sunny on that day, the groundhog will see its shadow and return to its burrow in the belief that the weather will be cold for the following six weeks. A cloudy day (and no shadow) will keep the groundhog above ground in anticipation of fine weather. The tradition originates in Europe, where 2 February, known as Candlemas, marks the point halfway between the winter solstice and the spring equinox.
On this day in 1887, Groundhog Day, featuring a rodent meteorologist, is celebrated for the first time at Gobbler’s Knob in Punxsutawney, Pennsylvania. According to tradition, if a groundhog comes out of its hole on this day and sees its shadow, it gets scared and runs back into its burrow, predicting six more weeks of winter weather; no shadow means an early spring.
Groundhog Day has its roots in the ancient Christian tradition of Candlemas, when clergy would bless and distribute candles needed for winter. The candles represented how long and cold the winter would be. Germans expanded on this concept by selecting an animal–the hedgehog–as a means of predicting weather. Once they came to America, German settlers in Pennsylvania continued the tradition, although they switched from hedgehogs to groundhogs, which were plentiful in the Keystone State.
Groundhogs, also called woodchucks and whose scientific name is Marmota monax, typically weigh 12 to 15 pounds and live six to eight years. They eat vegetables and fruits, whistle when they’re frightened or looking for a mate (they’re sometimes called whistle pigs) and can climb trees and swim.
They go into hibernation in the late fall; during this time, their body temperatures drop significantly, their heartbeats slow from 80 to five beats per minute and they can lose 30 percent of their body fat. In February, male groundhogs emerge from their burrows to look for a mate (not to predict the weather) before going underground again. They come out of hibernation for good in March.
They go into hibernation in the late fall; during this time, their body temperatures drop significantly, their heartbeats slow from 80 to five beats per minute and they can lose 30 percent of their body fat. In February, male groundhogs emerge from their burrows to look for a mate (not to predict the weather) before going underground again. They come out of hibernation for good in March.
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