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Has the climate in Tripoli changed?

Tripoli has warmed about 2.2°F between 1991 and 2013.

About 1.0°F per decade, measured from Tripoli's official daily weather records, 1991–2013. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Tripoli's climate has warmed faster than most other cities in Libya.

What has actually changed

Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.

Average temperature
+1.4°F
1970s
68.7°F
Recent
70.1°F
A steady upward drift

Tripoli's temperature, year by year

Average temperature for each year from 1991 to 2013.

66°68°70°72°1991: 67.3°F1992: 67.6°F1993: 69.1°F1994: 69.3°F1995: 69.2°F1996: 69.4°F1997: 69.3°F1998: 69.1°F1999: 71.3°F2000: 69.1°F2001: 70.8°F2002: 70.2°F2003: 70.8°F2004: 71.1°F2005: 69.8°F2006: 69.6°F2007: 69.7°F2008: 69.5°F2009: 69.8°F2010: 71.3°F2012: 70.2°F2013: 70.6°Flong-term trend1991200020102013
a warmer-than-average year a cooler-than-average year

Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.

Methodology & sources

Temperature — 1991–2020 normals computed from 23 years of daily observations at Tripoli Intl, a weather station, about 25 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →