Vejret i Danmark - april 2004
Varm med overskud af sol.
Månedsmiddeltemperaturen for april 2004 blev for landet som helhed hele 2.2˚C over normalgennemsnittet for perioden 1961-90. Månedens højeste temperatur 19˚C blev registreret mange steder, især i indlandet, den 16., og månedens laveste temperatur -3˚C blev målt i Nordøstsjælland natten til den 11.
Nedbøren i gennemsnit ud over landet blev 42 mm. Det er normalt. Ringkøbing og Ribe amter fik i april i år mest nedbør med omkring 55 mm i gennemsnit (norm. omkring 42), mens Nordøstsjælland og Bornholm fik mindst med omkring 30 mm i gennemsnit (norm. omkring 38).
Solen skinnede ud over landet i gennemsnit i 183 timer i april i år. Det er 13% over normalgennemsnittet.
Landstal for april 2004
Landstal/ Averages - april 2004
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Normal |
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Middeltemperatur/ Mean Temperature
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7,9 C
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(5,7 C)
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Nedbør/ Precipitation
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42 mm
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(41 mm)
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Soltimer/ Hours of sunshine
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183 timer
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(162 timer)
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Ozon/ ozone units
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368 DU
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(398 DU)
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Vejret i maj 2004 - statistisk set
Efter en varm april, som i år, er der statistisk set efterfølgende 55% chance for en varm maj, 45% for en normal, og således skulle maj i år ikke kunne blive kold. Maj er varm, når månedsmiddeltemperaturen bliver 11½˚C eller mere.
Ozon i København i april 2004
Med et gennemsnits-lufttryk i april over det normale i år var ozonmængden næsten 8% under det normal i forhold til gennemsnittet over perioden 1979-88.
Næste udgave forventes klar den 2. juni 2004.
For yderligere oplysninger kontakt DMI's Data- og klimainformation via webmail.
Af Stig Rosenørn.
The weather in Denmark - April 2004
Warm with a surplus of sunshine.
The monthly mean temperature in April 2004 for the country as a whole reached as high as 2.2˚C above normal average during the period 1961-90. Highest temperature of the month, 19˚C was registered several places especially in the interior parts of the country the 16. April, and the lowest temperature, -3˚C was registered in North East Zealand the night of the 11.
Accumulated precipitation for the country as a whole reached 42 mm., which is quite normal. The highest precipitation was registered in Ringkoebing and Ribe counties reaching a 55 mm average (normally 42), while North East Zealand and Bornholm only received approx. 30 mm in average (normally 38).
The sun shone across the country in an average of 183 hours during April 2004 – 13% above normal average.
The weather in May 2004 – statistically
After a warm April like the one this year there is a statistical chance of a following warm May of 55%, a 45% chance of a normal and thus May is not predicted to be cold. May is defined warm, when the monthly mean temperature reaches 11½˚C or more.
Ozone measurements in Copenhagen in April 2004
The concentration of ozone in the atmosphere in April reached above normal – almost 8% above normal compared to the average during the period 1979-88.
The next edition is expected to be ready the 2. June 2004.
For further information please contact : Stig Rosenørn, The Weather and Climate Information Division. via webmail.
By Stig Rosenørn
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