Environmental Science
The wind-chill factor:

Tells farmers when to protect crops from a freeze
Determines how low the air temperature will be on any given day
Relates body heat loss with wind to an equivalent temperature with no wind
Takes into account humidity and air temperature in expressing the current air temperature
Indicates the temperature at which water freezes on exposed skin

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Environmental Science
The lag in daily temperature refers to the time lag between the:

Minimum and maximum temperature for a day
Time of minimum temperature and the time of maximum solar radiation
Minimum and maximum solar energy received at the surface for a given day
Time of maximum solar radiation and the time of maximum temperature
Sunrise and sunset

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