Fields of study > Air temperature
Cold nights (TN10p)
Cold nights (TN10p): annual percentage of days with a minimum temperature (TN) less than the 10th percentile of the daily TN series for the base period 1981-2010. The unit of measurement is %.
The evolution of TN10p anomaly (ATN10p, difference between the annual value of TN10p and the mean value of TN10p 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 TN10p index is shown.
The annual mean of TN10p for the Pyrenees is obtained from the annual TN10p 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 TN10p for the 4 zones of the Massif is obtained from the annual TN10p values of the representative series located in each zone.
Cold nights (TN10p)
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Evolution of the annual TN10p anomaly (ATN10p, in %) in the Pyrenees for the period 1959-2020. Red points (positive ATN10p) indicate a TN10p value higher than the reference period value and blue points (negative ATN10p) indicate a TN10p value lower than the reference period value.
The dotted line shows the linear trend of the series (-0,5 %/decade).
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CSV TN10p anomaly - Pyrenees (1959-2020) Graph TN10p anomaly - Pyrenees (1959-2020)Evolution of the annual TN10p anomaly (ATN10p, in %) in the Northern Pyrenees for the period 1959-2020. Red points (positive ATN10p) indicate a TN10p value higher than the reference period value and blue points (negative ATN10p) indicate a TN10p value lower than the reference period value.
The dotted line shows the linear trend of the series (-0,4 %/decade).
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CSV TN10p anomaly - Northern Pyrenees (1959-2020) Graph TN10p anomaly - Northern Pyrenees (1959-2020)Evolution of the annual TN10p anomaly (ATN10p, in %) in the Southern Pyrenees for the period 1959-2020. Red points (positive ATN10p) indicate a TN10p value higher than the reference period value and blue points (negative ATN10p) indicate a TN10p value lower than the reference period value.
The dotted line shows the linear trend of the series (-0,6 %/decade).
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CSV TN10p anomaly - Southern Pyrenees (1959-2020) Graph TN10p anomaly - Southern Pyrenees (1959-2020)Evolution of the annual TN10p anomaly (ATN10p, in %) in the Mediterranean Pyrenees for the period 1959-2020. Red points (positive ATN10p) indicate a TN10p value higher than the reference period value and blue points (negative ATN10p) indicate a TN10p value lower than the reference period value.
The dotted line shows the linear trend of the series (-0,6 %/decade).
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CSV TN10p anomaly - Mediterranean Pyrenees (1959-2020) Graph TN10p anomaly - Mediterranean Pyrenees (1959-2020)Evolution of the annual TN10p anomaly (ATN10p, in %) in the Atlantic Pyrenees for the period 1959-2020. Red points (positive ATN10p) indicate a TN10p value higher than the reference period value and blue points (negative ATN10p) indicate a TN10p value lower than the reference period value.
The dotted line shows the linear trend of the series (-0,5 %/decade).
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CSV TN10p anomaly - Atlantic Pyrenees (1959-2020) Graph TN10p anomaly - Atlantic Pyrenees (1959-2020)Evolution of the annual TN10p value (in %) in HONDARRIBIA-MALKARROA (Euskadi) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,7 %/decade).
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CSV TN10p - HONDARRIBIA (EUS) (1959-2020) Graph TN10p - HONDARRIBIA (EUS) (1959-2020)Evolution of the annual TN10p value (in %) in ANDORRA LA VELLA (Andorra) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,4 %/decade).
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CSV TN10p - ANDORRA LA VELLA (AND) (1959-2020) Graph TN10p - ANDORRA LA VELLA (AND) (1959-2020)Evolution of the annual TN10p value (in %) in RANSOL (Andorra) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,9 %/decade).
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CSV TN10p - RANSOL (AND) (1959-2020) Graph TN10p - RANSOL (AND) (1959-2020)Evolution of the annual TN10p value (in %) in ASCOU (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,4 %/decade).
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CSV TN10p - ASCOU (OCC) (1959-2020) Graph TN10p - ASCOU (OCC) (1959-2020)Evolution of the annual TN10p value (in %) in LORP-SENTARAILLE (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,3 %/decade).
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CSV TN10p - LORP-SENTARAILLE (OCC) (1959-2020) Graph TN10p - LORP-SENTARAILLE (OCC) (1959-2020)Evolution of the annual TN10p value (in %) in BAGNERES DE LUCHON (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,3 %/decade).
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CSV TN10p - BAGNERES DE LUCHON (OCC) (1959-2020) Graph TN10p - BAGNERES DE LUCHON (OCC) (1959-2020)Evolution of the annual TN10p value (in %) in LARUNS-ARTOUSTE (Nouvelle-Aquitaine) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,6 %/decade).
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CSV TN10p - LARUNS-ARTOUSTE (NAQ) (1959-2020) Graph TN10p - LARUNS-ARTOUSTE (NAQ) (1959-2020)Evolution of the annual TN10p value (in %) in UZEIN-PAU (Nouvelle-Aquitaine) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,5 %/decade).
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CSV TN10p - UZEIN-PAU (NAQ) (1959-2020) Graph TN10p - UZEIN-PAU (NAQ) (1959-2020)Evolution of the annual TN10p value (in %) in PERPIGNAN (Occitanie) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,6 %/decade).
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CSV TN10p - PERPIGNAN (OCC) (1959-2020) Graph TN10p - PERPIGNAN (OCC) (1959-2020)Evolution of the annual TN10p value (in %) in FIGUERES (Catalunya) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,6 %/decade).
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CSV TN10p - FIGUERES (CAT) (1959-2020) Graph TN10p - FIGUERES (CAT) (1959-2020)Evolution of the annual TN10p value (in %) in TREMP (Catalunya) for the period 1959-2020.
The dotted line shows the linear trend of the series (-0,6 %/decade).
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CSV TN10p - TREMP (CAT) (1959-2020) Graph TN10p - 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.
