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Get the Jersey City, NJ local weather forecast by the hour and the next 10 days.
Temperatures often top 49 °C (120 °F) at Death Valley during the summer months. [2] The standard measuring conditions for temperature are in the air, 1.5 metres (4 ft 11 in) above the ground, and shielded from direct sunlight. [3] Global surface temperatures as a whole have been monitored since the 1880s when record keeping began. [4]
Unlike the degree Fahrenheit and degree Celsius, the kelvin is no longer referred to or written as a degree (but was before 1967 [1] [2] [3]). The kelvin is the primary unit of temperature measurement in the physical sciences, but is often used in conjunction with the degree Celsius, which has the same magnitude. Other scales of temperature:
The temperature difference is greatest in the winter and the least in the summer. All parts of the state have recorded temperatures below 0 degrees and in excess of 100 degrees. The average number of freeze free days ranges from 163 days in the highlands to 217 along the coast. [ 4 ]
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.
On a warm summer's day, for example, air temperatures may vary by 16.5 °C (30 °F) from just above the ground to chest height. Incoming solar radiation exceeds outgoing heat energy for many hours after noon and equilibrium is usually reached from 3–5 p.m., but this may be affected by a variety of factors such as large bodies of water, soil ...
Therefore, if the average temperature for that time period was 15 °C, and the currently measured temperature is 17 °C, then the temperature anomaly is +2 °C. Temperature anomalies are useful for deriving average surface temperatures because they tend to be highly correlated over large distances (of the order of 1000 km). [43]
Temperatures measured directly on the ground may exceed air temperatures by 30 to 50 °C (54 to 90 °F). [6] The highest natural ground surface temperature ever recorded may have been an alleged reading of 93.9 °C (201.0 °F) at Furnace Creek, California , United States, on 15 July 1972. [ 7 ]