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Fever or pyrexia in humans is a symptom of an anti-infection defense mechanism that appears with body temperature exceeding the normal range due to an increase in the body's temperature set point in the hypothalamus.
A medical thermometer showing a temperature reading of 38.7 °C (101.7 °F). Taking a human's temperature is an initial part of a full clinical examination.There are various types of medical thermometers, as well as sites used for measurement, including:
The standard measuring conditions for temperature are in the air, 1.25 metres (4.1 ft) to 2.00 metres (6.6 ft) above the ground, [5] and shielded from direct sunlight intensity (hence the term x degrees "in the shade"). [6] The following lists include all officially confirmed claims measured by those methods.
This is a list of cities by average temperature (monthly and yearly). The temperatures listed are averages of the daily highs and lows. Thus, the actual daytime temperature in a given month may be considerably higher than the temperature listed here, depending on how large the difference between daily highs and lows is.
Cambridge Botanic Garden Weather Station where a temperature of 38.7 °C (101.7 °F) was recorded in the 2019 European heat wave. The United Kingdom weather records show the most extreme weather ever recorded in the United Kingdom, such as temperature, wind speed, and rainfall records.
The average temperature during the summer is 22 degrees Celsius (72 degrees Fahrenheit), with a record high of 36.7 °C (98.1 °F). The average temperature in winter is −8 °C (18 °F), with a record low of −27.7 °C (−17.9 °F). Daily temperatures are highly variable, changing by an average of 10 degrees Celsius (20 °F) each day.
Canada's annual average temperature over land warmed by 1.7 degrees Celsius between 1948 and 2016. The rate of warming is highest in Canada's north, the Prairies , and northern British Columbia . The country's precipitation has increased in recent years and wildfires expanded from seasonal events to year-round threats.
The Köppen climate classification is the most widely used climate classification system. [2] It defines a tropical climate as a region where the mean temperature of the coldest month is greater than or equal to 18 °C (64 °F) and does not fit into the criteria for B-group climates, classifying them as an A-group (tropical climate group). [3]