Αποτελέσματα Αναζήτησης
13 Ιαν 2022 · Earth’s global average surface temperature in 2021 tied 2018 as the sixth-warmest year on record, according to independent analyses from NASA and the National Oceanic and Atmospheric Administration (NOAA). Global temperatures in 2021 were 0.85 degrees Celsius (1.5 degrees Fahrenheit) above the average for NASA’s baseline period, according ...
16 Φεβ 2023 · The U.S. Annual Heat Wave Index tracks the occurrence of heat wave conditions across the contiguous 48 states from 1895 to 2020.
This index defines a heat wave as a period lasting at least four days with an average temperature that would only be expected to occur once every 10 years, based on the historical record. The index value for a given year depends on how often heat waves occur and how widespread they are.
Climate and Past Weather. Local Programs. HEAT INDEX °F (°C) The heat index is an accurate measure of how hot it really feels when the affects of humidity are added to high temperature. RELATIVE HUMIDITY (%) Temp. 40.
25 Ιουν 2022 · During summer 2021, the Mediterranean faced prolonged and severe HWs, triggering hundreds of wildfires across the region. Greece, in particular, was hit by one of the most intense HWs in its ...
27 Ιουν 2024 · This figure shows the annual values of the U.S. Heat Wave Index from 1895 to 2021. These data cover the contiguous 48 states.
Heat Index. The Heat Index is a measure of how hot it really feels when relative humidity is factored in with the actual air temperature. To find the Heat Index temperature, look at the Heat Index Chart above or check our Heat Index Calculator.
