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Weather events

Estonian weather events in 2020 (normal for period 1981-2010)
Period	Region	Strong anomalies	Observed values and their effects
Winter – December(2019), January, February, 2020	Estonia	warmer than normal	the three-month mean temperature +2,5 ºC (normal –3,3 ºC) the 1^st place since the winter of 1961/62. The last record warm winter was 2007/2008, when the mean temperature was +1,0 ºC
Winter – December(2019), January, February, 2020	Estonia	precipitation total higher than normal	178 mm (normal 138 mm) 5^th place from the wettest winter since 1961/62
Spring – March, April, May, 2020	Estonia	warmer than normal	5,4 ºC (normal 4,6 ºC) the 14^th warmest spring since 1961
Spring – March, April, May, 2020	Estonia	precipitation total higher than normal	113 mm (normal 110 mm)
Spring – March, April, May, 2020	Estonia	high values of sunshine duration	720 hours (normal 597 hours) the 6^th place sunniest since 1961
Summer – June, July, August, 2020	Estonia	warmer than normal	the three-month mean temperature 16,9 °C (anomaly +0,9 °C)
Summer – June, July, August, 2020	Estonia	precipitation total higher than normal	222 mm (99% of normal)
Summer – June, July, August, 2020	Estonia	high values of sunshine duration	862 hours (normal 790 hours) the 14^th place among the sunniest summers since 1961
Autumn – September, October, November, 2020	Estonia	warmer than normal	the three-month mean temperature 9,6 ºC (normal 6,5 ºC) the warmest autumn in Estonia
Autumn – September, October, November, 2020	Tartu	warmer than normal	the three-month mean temperature 9,0 °C (anomaly +3,2 °C) the 1^st place since 1866, when observations were started in the meteorological observatory in Tartu
Autumn – September, October, November, 2020	Estonia	precipitation total higher than normal	175 mm (normal 201 mm) the 18^th place among drier years since 1961
Autumn – September, October, November, 2020	Estonia	high values of sunshine duration	284 hours (normal 267 hours)
January	Estonia	the warmest January in Estonia	the monthly mean temperature +3,1 °C (anomaly +6,6 °C) the 1^st place since 1961, warm January was exceptional for all stations – all had the monthly mean temperature anomaly +6,0 °C or more, regardless of the length of the data series, either 50 or 150 years, January was warmest at all stations
January	Estonia	precipitation total lower than normal and scarce in snow	26 mm (87% of normal)
February	Estonia	very warm	the monthly mean temperature +1,7 °C (anomaly +6,2 °C) the 2^nd place since 1961, in the first place is 1990, when the mean temperature for the country was +2,4 °C
February	Vilsandi	very warm	the monthly mean temperature 3,4 °C (anomaly +5,2 °C) the 2^nd place since 1866
February	Kuusiku	very warm	the monthly mean temperature 0,9 °C (anomaly +6,0 °C) the 3^rd-4^th place since 1926
February	Estonia	precipitation total higher than normal, but scarce in snow)	78 mm (223% of normal) the 2^nd place from wettest years since 1961
February	Virtsu	very high precipitation total	110 mm (307% of normal) the 1^st place since 1911
February	Tallinn	very high precipitation total	105 mm (293% of normal) the 1^st place since 1883
March	Estonia	warmer than normal	the monthly mean temperature +2,4 °C (anomaly +3,5 °C) the 4^th-5^th place since 1961
March, first decade	Estonia	very warm	2,9 °C (anomaly +5,6 °C) the 1^st place since 1961
March	Sõrve	very warm	the monthly mean temperature 3,9 °C (anomaly +4,3 °C) the 1^st place since 1901
March	Estonia	precipitation total higher than normal	45 mm (122% of normal)
March	Estonia	high values of sunshine duration	180 hours (132 % of normal)
April	Estonia	warmer than normal	the monthly mean temperature 4,8 °C (anomaly +0,2 °C)
April, first decade	Estonia	very warm	4,9 °C (anomaly +2,2 °C) the 7^th place since 1961
April	Estonia	precipitation total higher than normal	36 mm (116% of normal)
April	Estonia	high values of sunshine duration	241 hours (124 % of normal) the 10^th place since 1961
May	Estonia	colder than normal	the monthly mean temperature 9,0 °C (anomaly –1,4°C)
May, second decade	Estonia	colder than normal	6,3 °C (anomaly –3,9 °C) the 1^st place since 1961
May 11^th-13^th	Estonia	very rare timing for snowfall	ground was covered with snow
May, second decade	Jõgeva	colder than normal	5,7 °C (anomaly –5,0 °C) the 3^rd place since 1922
May, second decade	Jõhvi	colder than normal	5,1 °C (anomaly –4,8 °C) the 1^st place since 1959
May	Estonia	high values of sunshine duration	312 hours (113% of normal)
May	Estonia	precipitation total lower than normal	32 mm (76% of normal)
June	Estonia	very warm	the monthly mean temperature 17,4 °C (anomaly +3,0 °C) the 3^rd place since 1961
June	Estonia	precipitation total higher than normal	77 mm (111% of normal)
June	Ristna	variable in precipitation – low precipitation total	26 mm (56% of normal)
June	Tooma	variable in precipitation – high precipitation total	145 mm in Tooma (183% of normal)
June, 8	Estonia	thunderstorm and heavy rain, hail, strong winds	–
June, second decade	Estonia	warmer than normal	18,3 °C (anomaly +4.2 °C) the 4^th place since 1961
June, second half of month	Estonia	heat wave	the maximum air temperature rose in many places to 30 °C and above
June, third decade	Estonia	warmer than normal	19,8 °C (anomaly +4,3 °C) the 2^nd place since 1961
June	Lääne-Nigula	heat record for station	the maximum air temperature rose to 31,3 °C
June	Heltermaa	heat record for station	the maximum air temperature rose to 29,4 °C
July	Estonia	colder than normal	the monthly mean temperature 16,3 °C (anomaly –1,1 °C)
July	Estonia	precipitation total higher than normal	89 mm (123% of normal)
July, 20	Tallinn	heavy rainfall	floods in Tallinn
July, 28	Võru	heavy rainfall	floods in Võru
July	Estonia	sunshine duration close to normal	294 hours (102% of normal)
July, 1	Estonia	spout	the spout broke trees and roofs
August	Estonia	warmer than normal	the monthly mean temperature 16,9 °C (anomaly +0,6 °C)
August	Estonia	precipitation total lower than normal	57 mm (68% of normal)
September	Estonia	very warm	the monthly mean temperature 14,0 °C (anomaly +2,5 °C) the 3^rd place since 1961
September, third decade	Estonia	very warm	14,8 °C (anomaly +4,6 °C) the 1^st place since 1961
September	Estonia	precipitation total lower than normal	53 mm (83% of normal)
October	Estonia	warmer than normal	the monthly mean temperature 9,5 °C (anomaly +2,8 °C) the 2^nd place since 1961
October	Estonia	precipitation total lower than normal	66 mm (89% of normal)
October	Tallinn	warmer than normal	the monthly mean temperature 9,3 °C (anomaly +2,8 °C) the 1^st place since 1883
October	Pärnu	warmer than normal	the monthly mean temperature 10,0 °C (anomaly +3,1 °C) the 4^th place since 1842
October first decade	Tartu	warmer than normal	12,6 °C (anomaly +4,2 °C) the 2^nd place since 1866
October first decade	Sõrve	warmer than normal	14,0 °C (anomaly +3,4 °C) the 1^st place since 1865
October third decade	Estonia	warmer than normal	8,8 °C (anomaly +3,9 °C) the 1^st place since 1961
October third decade	Võru	warmer than normal	8,8 °C (anomaly +4,5 °C) the 1^st place since 1920
October third decade	Ristna	warmer than normal	10,0 °C (anomaly +3,2 °C) the 3^rd place since 1945
November	Estonia	very warm	the monthly mean temperature 5,4 °C (anomaly +4,0 °C) the warmest since 1961
November	Vilsandi	warm record for station	7,7 °C (anomaly +3,7 °C) the 1^st place since 1866
November	Tallinn	warm record for station	5,3 °C (anomaly +4,0 °C) the 1^st place since 1883
November	Tõravere	warm record for station	4,3 °C (anomaly +3,9 °C) the 2^nd place since 1866, it was little warmer in November 1877 (the monthly mean temperature was 4,4 °C)
November	Estonia	precipitation total lower than normal	55 mm (84% of normal)
December	Estonia	warmer than normal	+0,6 ºC (anomaly +2,6 ºC)
December	Estonia	precipitation total lower than normal	37 mm (70% of normal)
The year 2020	Estonia	the warmest in Estonian climate history	the annual mean temperature 8,4 ºC (normal 6,0 ºC, reference period – 1981–2010) the 1^st place since 1961
	Estonia	precipitation total lower than normal	the annual precipitation amount 665 mm (normal 672 mm)
	Estonia	high values of sunshine duration	the mean annual sunshine duration 1995 hours (normal 1766 hours) the 6^th place since 1961

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Estonian weather events in 2020 (normal for period 1981-2010)

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