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The temperature of the air near the surface of the Earth is measured at meteorological observatories and weather stations, usually using thermometers placed in a shelter such as a Stevenson screen—a standardized, well-ventilated, white-painted instrument shelter. The thermometers should be positioned 1.25–2 m above the ground.
The warmest month has an average temperature of below 22 °C (72 °F). Tierra fría (Cool land) below 3,600 m (11,800 ft). The warmest month has an average temperature of below 18 °C (64 °F). Tierra helada (Cold land) above 3,600 m (11,800 ft). The tree line occurs when the warmest month has an average temperature of below 10 °C (50 °F).
With a temperature lapse rate of −6.5 °C (-11.7 °F) per km (roughly −2 °C (-3.6 °F) per 1,000 ft), the table interpolates to the standard mean sea level values of 15 °C (59 °F) temperature, 101,325 pascals (14.6959 psi) (1 atm) pressure, and a density of 1.2250 kilograms per cubic meter (0.07647 lb/cu ft).
Think of it as 12 rows, one for each month, with left column for average low temperature, middle column for average high temperature and right column for precipitation. maxprecip= Supply highest monthly precipitation number if the blue precipitation bars pop out of the chart (happens if any of the monthly numbers is greater than about 750 mm ...
Comparison of the 1962 US Standard Atmosphere graph of geometric altitude against air density, pressure, the speed of sound and temperature with approximate altitudes of various objects. [ 1 ] The U.S. Standard Atmosphere is a static atmospheric model of how the pressure , temperature , density , and viscosity of the Earth's atmosphere change ...
A reference atmospheric model describes how the ideal gas properties (namely: pressure, temperature, density, and molecular weight) of an atmosphere change, primarily as a function of altitude, and sometimes also as a function of latitude, day of year, etc. A static atmospheric model has a more limited domain, excluding time.
This is known as an adiabatic process, which has a characteristic pressure-temperature curve. As the pressure gets lower, the temperature decreases. The rate of decrease of temperature with elevation is known as the adiabatic lapse rate, which is approximately 9.8 °C per kilometer (or 5.4 °F per 1000 feet) of altitude. [6]
This height was recorded over Nevada; [1] [4] [5] This record occurred when a Lockheed L-188 Electra turboprop airliner operating a Western Airlines flight suffered a bird strike at cruising altitude. [8] Bar-tailed godwit: Limosa lapponica: Scolopacidae: 6,000 metres (20,000 feet) [5] [9] It can reach this height while migrating. White stork ...