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e-RA: the electronic Rothamsted Archive
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Rothamsted Met Data Monthly Updates

Contact the e-RA Curators to arrange a password to download raw data from the database.

April 2019: April was sunny, dry and warm for the time of year.

Rainfall was 13.2 mm which is 41.86 mm below average. We had 13 days with 0.2 mm or more of rain, and no days with more than 5mm. The wettest day was the 2nd with 2.6 mm.

Sunshine was above average with 191.6 hours (+30.40); the most was 13.2 hours on the 20th and there was only 1 day without sunshine.

The average maximum temperature was above average at 13.9 ºC (+1.30) while the average minimum was below average at 3.6 ºC (-0.41). The warmest day was the 22nd which reached 22.9ºC, and the coldest night was on the 13th when it dropped to -1.5ºC.

We had 7 air frosts and 16 ground frosts.

Note: The average refers to the 30 year means 1981-2010.


March 2019: March was relatively sunny and warm but with above average rainfall. Almost all the rain fell before day 18 leaving the last 2 weeks virtually rain-free! There were some hail showers reported in the area on the 17th.

Rainfall was above average with 60.4 mm recorded, (+9.60) mm). We had 19 days with 0.2 mm or more of rain, and 3 days with more than 5 mm. The most recorded was 9.4 mm on the 5th.

Sunshine was above average with 148.0 hrs (average for March is 114.9); the most recorded was 11.6 hours on the 29th. There were 2 days without sunshine.

The mean maximum and minimum temperatures were above average with 11.4°C (+1.50) and 4.3°C (+1.67) respectively. The highest maximum temperature was 16.8°C on the 30th and the lowest minimum was -1.4°C on the 26th. The overall average daily temperatures were significantly high it the 8th warmest March in our records (since 1878)

We had 1 air frost and 11 ground frosts.

Note: The average refers to the 30 year means 1981-2010.


February 2019: After a cold wintery start with snow on the ground, February warmed up to become especially warm and sunny for the time of year with a record breaking average maximum temperature. It was also relatively dry for the time of year.

Rainfall was below average with 43.2mm (-6.94). We had 17 days with over 0.2 mm, and 3 days with more than 5.0 mm. The greatest rainfall was 8.2 mm on the 28th.

Sunshine was above average with 137.7 hrs. (+57.44). We had 4 days without any sunshine and the most was 9.8 hrs on the 27th. February 2019 was the 2nd sunniest in our records (since 1891)

The mean maximum and the mean minimum temperatures were above average with 10.9ºC (+3.97) and 1.5ºC (+0.62) respectively. The lowest minimum was -5.1ºC on the 1st, and the highest maximum was 18.0ºC on the 26th. The average maximum was the highest in our records for February and the highest daily maximum was the 3rd highest. (records began in 1878)

We had 11 air frosts and 21 ground frosts.

Note: The average refers to the 30 year means 1981-2010.


January 2019: January was relatively cold and dry, with above average sunshine. There was snow fall on 5 separate occasions during the second half of the month.

Rainfall was below average with 34.8 mm (-35.17 mm). We had 10 days with 0.2 mm or more of rain and 4 had more than 5.0 mm. The most on one day was 6.7 mm on the 29th. Some of this precipitation fell as snow on 17th (as a brief dusting just after sunrise), 22nd (late afternoon), 29th (evening), 30th (light snow shower early evening) and 31st when we had a more prolonged spell overnight into the next day.

Sunshine was above average with 83.6 hours (+21.53); the most was 7.5 hours on the 28th. We had 5 days with no sunshine. It was the 6th sunniest January in our records (since 1891)

January’s mean maximum and minimum temperatures were below average at 6.2°C (-0.54) and 0.7°C (-0.55) respectively. The highest day temperature was 11.4°C on the 24th and the lowest minimum was -6.8°C on the 19th.

We had 15 air frosts and 17 ground frosts.

Note: The average refers to the 30 year means 1981-2010.


For monthly and annual summaries of previous years please see below:


Weather Reports 2018

Weather Reports 2017

Weather Reports 2016

Weather Reports 2015

Weather Reports 2014

Weather Reports 2013

Weather Reports 2012

Weather Reports 2011

Weather Reports 2010

Weather Reports 2009

Weather Reports 2008

Weather Reports 2007


With thanks to Chris Hall for providing these summaries.

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