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From January 23 to January 24, 1916, the temperature fell 100 °F (56 °C), from 44 °F (7 °C) to −56 °F (−49 °C), the world record for greatest temperature drop in 24 hours. [10] Browning's climate is semi-arid and continental. Temperatures above 90 °F (32 °C) occur an average of twice annually, temperatures below 32 °F (0 °C) occur ...
The approximate age of the Moon, and hence the approximate phase, can be calculated for any date by calculating the number of days since a known new moon (such as 1 January 1900 or 11 August 1999) and reducing this modulo 29.53059 days (the mean length of a synodic month).
A lunisolar calendar was found at Warren Field in Scotland and has been dated to c. 8000 BC, during the Mesolithic period. [2] [3] Some scholars argue for lunar calendars still earlier—Rappenglück in the marks on a c. 17,000 year-old cave painting at Lascaux and Marshack in the marks on a c. 27,000 year-old bone baton—but their findings remain controversial.
This is not a lunar period, though the calendar month is historically related to the visible lunar phase. The Moon's distance from Earth and Moon phases in 2014. Moon phases: 0 (1)—new moon, 0.25—first quarter, 0.5—full moon, 0.75—last quarter
On Jan. 15, 1972, 53 years ago, a weather observer in Loma, Montana, measured a morning temperature of 49 degrees. That sounds warm for mid-January, but that's only half the story.
E.g. today there was an eclipse of the sun, which peaked at 9:20am from my location, which intuitively must be the new moon since the moon face is never less illuminated than when the sun is directly behind it, but the official "new moon" time was 10:55am, because that was when the moon was directly between the sun and earth from the ...
The Lunation Number or Lunation Cycle is a number given to each lunation beginning from a specific one in history. Several conventions are in use. The most commonly used was the Brown Lunation Number (BLN), which defines "lunation 1" as beginning at the first new moon of 1923, the year when Ernest William Brown's lunar theory was introduced in the American Ephemeris and Nautical Almanac.