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Has the climate in Fairland changed?

Fairland has warmed about 2.1°F between 1971 and 2014.

About 0.5°F per decade, measured from Fairland's official daily weather records, 1971–2014. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Fairland's warming is broadly in line with other cities in United States — neither unusually fast nor unusually slow.

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.

Freezing nights
27 fewer nights
1970s
87 / yr
Recent
60 / yr
Milder winters — fewer frosts
Average temperature
+1.7°F
1970s
55.7°F
Recent
57.4°F
A steady upward drift
Hot days above 90°F
2 fewer days
1970s
26 / yr
Recent
24 / yr
Slightly fewer hot days
Rainy days
12 more days
1970s
97 / yr
Recent
109 / yr
Wetter on average

Fairland's temperature, year by year

Average temperature for each year from 1971 to 2014.

51°53°55°57°59°61°63°1971: 56.5°F1972: 55.3°F1973: 56.6°F1974: 55.6°F1975: 56.3°F1976: 54.0°F1977: 56.0°F1978: 54.3°F1979: 54.2°F1980: 55.8°F1981: 55.7°F1982: 56.2°F1983: 57.5°F1984: 55.8°F1985: 57.4°F1986: 56.6°F1987: 57.2°F1988: 55.3°F1989: 53.6°F1990: 53.9°F1991: 58.3°F1992: 52.6°F1993: 55.0°F1994: 56.6°F1995: 55.5°F1996: 55.0°F1997: 56.2°F1998: 59.7°F1999: 58.2°F2000: 56.1°F2001: 57.7°F2002: 57.7°F2003: 55.6°F2007: 62.9°F2008: 56.7°F2009: 56.1°F2010: 57.7°F2011: 56.1°F2012: 59.3°F2013: 56.6°F2014: 55.3°Flong-term trend197119801990200020102014
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.

In day-to-day terms, that long-term shift shows up as about 19 fewer freezing nights a year and about 2 fewer days above 90°F compared with the 1970s.

When in the year the change shows up

How much warmer each month is now than in the 1970s. Useful if you garden or care about a particular season — otherwise the headline above already has the answer.

-0.5°0.0°+0.5°+1.0°+1.5°+2.0°January: +1.4°F+1.4JFebruary: +0.6°F+0.6FMarch: -0.4°F-0.4MApril: +1.0°F+1.0AMay: +1.0°F+1.0MJune: +1.6°F+1.6JJuly: +1.2°F+1.2JAugust: +0.9°F+0.9ASeptember: +1.7°F+1.7SOctober: +1.5°F+1.5ONovember: +0.4°F+0.4NDecember: +1.4°F+1.4D

September has warmed the most — about 1.7°F. The warming runs across the whole year, not just one season.

Methodology & sources

Temperature — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Laurel 3 W (NOAA GHCN station USC00185111), about 5 km from the city centre.

How we build these numbers →