Fields of study > Air temperature
Warm nights (TN90p)
Warm nights (TN90p): annual percentage of days with a minimum temperature (TN) greater than the 90th percentile of the daily TN series for the base period 1981-2010. The unit of measurement is %.
The evolution of TN90p anomaly (ATN90p, difference between the annual value of TN90p and the mean value of TN90p in the reference period 1981-2010) during the period 1959-2020 is shown for the Pyrenees and for 4 areas of the Massif (Northern Pyrenees, Southern Pyrenees, Mediterranean Pyrenees and Atlantic Pyrenees); for each of the 12 series analyzed, the evolution of TN90p index is shown.
The annual mean of TN90p for the Pyrenees is obtained from the annual TN90p values of 12 representative series of the Pyrenees massif (areas at different altitudes and on all slopes: north, south, east or Mediterranean and west or Atlantic), while the mean value of TN90p for the 4 zones of the Massif is obtained from the annual TN90p values of the representative series located in each zone.
Warm nights (TN90p)
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Evolution of the annual TN90p anomaly (ATN90p, in %) in the Pyrenees for the period 1959-2020. Red points (positive ATN90p) indicate a TN90p value higher than the reference period value and blue points (negative ATN90p) indicate a TN90p value lower than the reference period value.
The dotted line shows the linear trend of the series (+1,2 %/decade).
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CSV TN90p anomaly - Pyrenees (1959-2020) Graph TN90p anomaly - Pyrenees (1959-2020)Evolution of the annual TN90p anomaly (ATN90p, in %) in the Northern Pyrenees for the period 1959-2020. Red points (positive ATN90p) indicate a TN90p value higher than the reference period value and blue points (negative ATN90p) indicate a TN90p value lower than the reference period value.
The dotted line shows the linear trend of the series (+1,3 %/decade).
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CSV TN90p anomaly - Northern Pyrenees (1959-2020) Graph TN90p anomaly - Northern Pyrenees (1959-2020)Evolution of the annual TN90p anomaly (ATN90p, in %) in the Southern Pyrenees for the period 1959-2020. Red points (positive ATN90p) indicate a TN90p value higher than the reference period value and blue points (negative ATN90p) indicate a TN90p value lower than the reference period value.
The dotted line shows the linear trend of the series (+1,2 %/decade).
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CSV TN90p anomaly - Southern Pyrenees (1959-2020) Graph TN90p anomaly - Southern Pyrenees (1959-2020)Evolution of the annual TN90p anomaly (ATN90p, in %) in the Mediterranean Pyrenees for the period 1959-2020. Red points (positive ATN90p) indicate a TN90p value higher than the reference period value and blue points (negative ATN90p) indicate a TN90p value lower than the reference period value.
The dotted line shows the linear trend of the series (+1,3 %/decade).
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CSV TN90p anomaly - Mediterranean Pyrenees (1959-2020) Graph TN90p anomaly - Mediterranean Pyrenees (1959-2020)Evolution of the annual TN90p anomaly (ATN90p, in %) in the Atlantic Pyrenees for the period 1959-2020. Red points (positive ATN90p) indicate a TN90p value higher than the reference period value and blue points (negative ATN90p) indicate a TN90p value lower than the reference period value.
The dotted line shows the linear trend of the series (+1,2 %/decade).
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CSV TN90p anomaly - Atlantic Pyrenees (1959-2020) Graph TN90p anomaly - Atlantic Pyrenees (1959-2020)Evolution of the annual TN90p value (in %) in HONDARRIBIA-MALKARROA (Euskadi) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,0 %/decade).
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CSV TN90p - HONDARRIBIA (EUS) (1959-2020) Graph TN90p - HONDARRIBIA (EUS) (1959-2020)Evolution of the annual TN90p value (in %) in ANDORRA LA VELLA (Andorra) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,0 %/decade).
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CSV TN90p - ANDORRA LA VELLA (AND) (1959-2020) Graph TN90p - ANDORRA LA VELLA (AND) (1959-2020)Evolution of the annual TN90p value (in %) in RANSOL (Andorra) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,2 %/decade).
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CSV TN90p - RANSOL (AND) (1959-2020) Graph TN90p - RANSOL (AND) (1959-2020)Evolution of the annual TN90p value (in %) in ASCOU (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,3 %/decade).
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CSV TN90p - ASCOU (OCC) (1959-2020) Graph TN90p - ASCOU (OCC) (1959-2020)Evolution of the annual TN90p value (in %) in LORP-SENTARAILLE (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,3 %/decade).
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CSV TN90p - LORP-SENTARAILLE (OCC) (1959-2020) Graph TN90p - LORP-SENTARAILLE (OCC) (1959-2020)Evolution of the annual TN90p value (in %) in BAGNERES DE LUCHON (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,3 %/decade).
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CSV TN90p - BAGNERES DE LUCHON (OCC) (1959-2020) Graph TN90p - BAGNERES DE LUCHON (OCC) (1959-2020)Evolution of the annual TN90p value (in %) in LARUNS-ARTOUSTE (Nouvelle-Aquitaine) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,1 %/decade).
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CSV TN90p - LARUNS-ARTOUSTE (NAQ) (1959-2020) Graph TN90p - LARUNS-ARTOUSTE (NAQ) (1959-2020)Evolution of the annual TN90p value (in %) in UZEIN-PAU (Nouvelle-Aquitaine) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,1 %/decade).
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CSV TN90p - UZEIN-PAU (NAQ) (1959-2020) Graph TN90p - UZEIN-PAU (NAQ) (1959-2020)Evolution of the annual TN90p value (in %) in PERPIGNAN (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,5 %/decade).
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CSV TN90p - PERPIGNAN (OCC) (1959-2020) Graph TN90p - PERPIGNAN (OCC) (1959-2020)Evolution of the annual TN90p value (in %) in FIGUERES (Catalunya) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,3 %/decade).
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CSV TN90p - FIGUERES (CAT) (1959-2020) Graph TN90p - FIGUERES (CAT) (1959-2020)Evolution of the annual TN90p value (in %) in TREMP (Catalunya) for the period 1959-2020.
The dotted line shows the linear trend of the series (+1,4 %/decade).
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CSV TN90p - TREMP (CAT) (1959-2020) Graph TN90p - TREMP (CAT) (1959-2020)
Bulletin of Climate Change Indicators of the Pyrenees 2020
The Bulletin of Climate Change Indicators of the Pyrenees (BICCPIR) 2020 aims to deepen the knowledge of the anthropic climate change effects in the Pyrenees. Thus, information on the climate evolution is provided through a set of indicators grouped by systems.
