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Edson A: weather history since 1917

Edson A is a weather station located 927 m above sea level, 1 km from Edson. Its records go back to 1917: 99 years of temperature are available up to 2020, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2020. Over 1991–2020 the annual mean temperature there is 2.8 °C, clearly higher than over 1961–1990 (2.1 °C): a difference of 0.8 °C. The warmest year of the series is 1993 (4.4 °C) and the coldest 1955 (−1.3 °C). The last complete year, 2020, ranks 33 out of 99, from warmest to coldest. Over 1961–2020, the annual mean temperature changes by +0.24 °C per decade. The station ranks 124 out of 240 stations, from the fastest rise to the slowest.

Annual mean temperature since 1917

−2024
19171930194019501960197019801990200020102020
Mean temperature of the year   10-year running mean   1961–1990 normal (2.1 °C)   1991–2020 normal (2.8 °C)

The first ten years of the series (1917–1926) average 2.1 °C; the last ten (2010–2020) average 3.0 °C, a difference of +0.9 °C. Of the ten warmest years in the series, 4 fall after 1999. The warmest is 1993 (4.4 °C). The ten-year running mean peaks at 3.1 °C (2017) and bottoms out at 1.0 °C (1957).

Annual rainfall since 1917

02004006008001000
19171930194019501960197019801990200020102020
Rainfall of the year   Series average (590 mm)

On average 590 mm of rain falls per year over the 80 documented years. The wettest year, 1971, received 882 mm; the driest, 2007, only 334 mm, which is 2.6 times less. Over 1961–1990, July is on average the wettest month (121 mm) and February the driest (26 mm). Between 1981 and 2007, 6 years out of 20 exceeded the series average.

Monthly normals: 1961–1990 against 1991–2020

The table compares, month by month, the mean temperature and the rainfall total of two thirty-year reference periods. The difference column shows what the recent period changes compared with the earlier one.

Monthly temperature and rainfall normals, 1961–1990 and 1991–2020
MonthTemp. 1961–1990Temp. 1991–2020DifferenceRain 1961–1990Rain 1991–2020Difference
January−12.4 °C−9.8 °C+2.6 °C35 mm––
February−8.5 °C−7.5 °C+1.0 °C26 mm––
March−3.8 °C−3.2 °C+0.6 °C30 mm––
April3.3 °C3.5 °C+0.2 °C29 mm––
May8.8 °C9.1 °C+0.3 °C64 mm––
June12.7 °C13.0 °C+0.3 °C104 mm––
July14.9 °C15.6 °C+0.7 °C121 mm––
August14.0 °C14.6 °C+0.6 °C84 mm––
September9.1 °C9.7 °C+0.6 °C63 mm––
October4.0 °C3.2 °C−0.8 °C28 mm––
November−5.7 °C−4.4 °C+1.3 °C26 mm––
December−11.4 °C−9.7 °C+1.7 °C28 mm––

The largest temperature change is in January (+2.6 °C) and the smallest in October (−0.8 °C); over the year the mean difference is +0.8 °C, and 11 months out of twelve are warmer than before.

Records at Edson A

  • Warmest year: 4.4 °C, in 1993
  • Coldest year: −1.3 °C, in 1955
  • Driest year: 334 mm, in 2007
  • Wettest year: 882 mm, in 1971
  • Warmest month: 18.3 °C, in July 2007
  • Coldest month: −26.9 °C, in January 1950
  • Wettest month: 257 mm, in June 1980

5.7 °C separate the warmest year of the series from the coldest. Daily records are not part of the dataset for this station: only annual and monthly extremes are shown.

Temperature trend over 1961–2020

The regression line of annual mean temperature changes by +0.24 °C per decade between 1961 and 2020, about +1.4 °C over the whole period. That is slower than the median of the 240 stations (+0.25 °C per decade), by 0.01 °C per decade: the station ranks 124 out of 240.

Data source and licence

Data source: Environment and Climate Change Canada (dataset “AHCCD (ahccd-monthly) + climate-daily”), licence Open Government Licence – Canada. Last updated: 29 October 2026.

The data for Edson A are shown as the source publishes them; this site does not correct them. A year is kept only if at least eleven months of measurements are available, and a normal is computed only with at least twenty years of data out of its thirty. Temperatures are rounded to 0.1 °C and rainfall to the millimetre. The station is one of 240 stations in Canada: the overview page lets you compare them.

Frequently asked questions

What is the annual mean temperature at Edson A?

Over 1991–2020, the annual mean temperature at Edson A is 2.8 °C. It was 2.1 °C over 1961–1990, a difference of +0.8 °C.

What is the warmest year ever measured at Edson A?

Since records began in 1917, the warmest year at Edson A is 1993, at 4.4 °C on average. The coldest is 1955 (−1.3 °C).

Is the climate at Edson A getting warmer?

Yes: at Edson A, the annual mean temperature rises by 0.24 °C per decade between 1961 and 2020, +1.4 °C in total. 4 of the 10 warmest years in the series fall after 1999.

Towns near this station

Neighbouring stations

See all stations in the weather history