The winter of 2010 was the coldest in its history

In terms of the weather, 2010 was too cold, on average humid and less sunny than usual. In Balingen-Heselwangen (573 meters above sea level), the seat of the meteorological station, observation values ​​for the temperature curve and precipitation curve for 32 years and for sunshine for 20 years have been available at the end of 2010. According to this, the average for the previous 31 years (1979 - 2009) was 8.6 degrees Celsius over the year and precipitation (rain, snow, hail, etc.) fell on average 873.0 liters on every square meter of ground at the measuring station. Between 1990 and 2009 the sun shone at the observation station for 1832 hours on average. In comparison to these values, 2010 (the 32nd year of observation) shows an annual average temperature of 8.1 degrees Celsius and a total rainfall of 888.2 liters per square meter. In the year 1738, which has just ended, the sun shone for.7 hours.

The winter of 2009/2010 December '09 - January - February

For meteorologists, December 2009 is already winter 2009/2010. In 2009 it produced the coldest day of the year, but otherwise remained more inclined towards the mean values. For 15 days there was a closed snow cover: Nevertheless, there was no white Christmas in 2009 either. The new year 2010 began with roads as smooth as glass. In the evening of New Year's Day it began to snow and the snow cover lasted until the 17th. In the second third of the month it got significantly warmer, only to let winter return at the end of the month. Overall, the month was drier, colder but also darker than usual. February mainly contributed to the winter balance - 31 cm as total new snow. The piles of snow got bigger and bigger shortly before the middle of the month and the winter services had their hands full. They also ran out of road salt. Then Shrove Tuesday - February 16, a special day. At night the temperature fell to the lowest value in February, to minus 12.9 degrees, and then rose to plus 4.3 degrees during the day with 9.3 hours of sunshine. The last day of the month was also a special day in terms of weather. The storm "Xynthia" brought the monthly maximum temperature of 14.1 degrees but also a hurricane-like wind, which reached its peak around noon with a gust of wind of 105 km / h. In the district, the storm damage was limited, but across Europe more than 50 deaths were reported, and there were six deaths caused by the storm in Germany - not to mention the immense damage. For meteorologists, winter ends in February. The weather statistics then include the values ​​from December of the previous year and from January and February of the new year. Looking back over the previous 30 years, the statistics show that the average temperature of the three winter months is plus 0.7 degrees Celsius. In retrospect, there was frost on an average of 60 days, fresh snow averaged 60 cm in these three months, and a closed snow cover was registered at station height on an average of 30 days. Compared to these average values, winter 2009/2010 shows a mean temperature of minus 0.3 degrees, and winter can come up with 68 frost days, 91 cm of fresh snow and a closed snow cover on 49 days. Looked at and compared in this way, a very robust winter, which gave many joy but also many sorrow. Otherwise the winter was humid on average, but it lacks around 60 hours of sunshine.

The spring of 2010 March April May

March 2010 was divided into two parts depending on the weather. The first half of the month, which was still strictly winter, was followed by half a month with temperatures that were already spring-like. This is made clear by the temperature range between the two halves of the month. In March it ranges from minus 11.7 degrees to plus 21.4 degrees. Overall, the month was only 0.3 degrees colder, but significantly drier and also a little sunnier than usual. In nature, however, you could read off the lack of warmth from the previous months, because it only began to tentatively green towards the end of the month.
Last year's April was warmer, more sunny and much drier than usual. On average since 1979, April at the station has been 7.7 degrees, it rained an average of 71.2 liters / square meter and the sun has shone an average of 168.9 hours since 1990.
Despite 7 days of frost, April brought it to an average temperature of 8.7 degrees, only 19.2 liters of precipitation and 212.5 hours of sunshine and the record value of 26.9 degrees on April 29th. However, spring did not arrive until the second half of the month. It rained on 26 of the 31 days in May 2010.
Sometimes it was just a few drops, but sometimes it was 30.9 liters within 24 hours. A total of 136.7 liters per square meter came together. As a result, the month was too wet compared to its average value. In addition, May was too cold - although there were no more frost days - and the month was clearly too dark. But the farmers welcomed the rain.
Overall, the spring of 2010 was colder (7.7 degrees compared to 8.2 degrees average), significantly more humid (321.7 liters compared to 235.3 liters) and also provided a little less sunshine (476.2 hours compared to 518.7 hours of sunshine) .

The summer of 2010 June July August

With the calendar beginning of summer on June 21st, summer began. Before that, June 2010 was too cold, too wet and lacking in sunshine. In the last third of the month the weather turned, so that in the overall balance the month was even a little too warm. In terms of precipitation and sunshine, the month stayed a little above and a little below the average values.
July was more autumnal than summer in the last third of the month and it was raining at the beginning of the summer school holidays. Overall, July 2010 was a passable summer month. In the overall balance it was significantly warmer and more sunshine than usual, but it also shows a clear increase in rain.
After a short cooling off after the first week of July, every day was a so-called summer day with 25 and more degrees Celsius until the middle of the month. In total there were 19 summer days and 9 hot days with at least 30 degrees Celsius in July.
On average there are 12.9 summer days and only 2.7 hot days in July. So in 2010 a clear plus on the particularly warm days. The hottest day in July and 2010 was Saturday, July 10th with 33.6 degrees Celsius.
August ruined the summer balance. The wettest August since the beginning of the nationwide weather records was registered nationwide. For us, last August was average in terms of precipitation, otherwise the month was a bit too cold and significantly less sunshine than usual.

With this balance, last August was only a summer month in terms of the calendar, because it worsened the overall balance for summer 2010 - and for meteorologists, summer also ends with August.
But if you don't want to believe it, the summer as a whole was a bit warmer and more sunny than the average values ​​since 1979 for this time of the year - but also a bit wetter.
For us, the summer of 2010 had 39 summer days. June 12, July 19 and August 8 summer days contributed to this. And for comparison: since the weather station in Balingen-Heselwangen was established (1979 - 2009) there have been an average of 33.8 summer days in these 3 months.
Furthermore, the three summer months were a little warmer (17.5 versus 16.8 degrees) but also a little wetter (321.7 liters versus 274.7 liters) and a little bit darker (679 versus 695.2 hours of sunshine).

Fall 2010 September October November

A little too dry, a little more sun, but also a little colder than usual - that's the brief summary of the September weather. After a cautious start, shortly after the end of the month, Hoch "Karl-Heinz" determined the weather in September and gave us wonderful late summer days. Towards the end of the month it was raining and the temperature went downhill steeply.
The weather in October 2010 was divided into three parts. After a warm and golden prelude, a decade followed with rainy and almost wintry weather, and then the month ended with calm, cool and sometimes foggy weather, but also with sunny and warm days. The first snow fell on the heights of the Albbergs on October 20th - the first frost after summer was registered at the station height on the 21st.
The weather in November, on the other hand, was split in two. A much too warm first half of the month was followed by a more wintry half with an unusually large amount of snow and severe frost.
The leaf rake was followed by snow shoveling overnight in November. The snow-free period lasted at station height from April 2nd to November 21st. In the overall balance of the November weather, however, there is still a temperature increase left. The month was also a few liters more humid than usual, while in the sunshine it corresponded to the average value almost to the hour.
For meteorologists, December is already winter 2010/2011. In 2010, the month turned out to be a brisk winter month, which turned out to be 2.6 degrees too cold, a total of 70 cm of fresh snow and a closed snow cover on 23 days. But there was also a white Christmas with 19 cm fresh snow alone on Christmas Eve.

The year 2010 in the weather statistics

The values ​​in brackets indicate the average values ​​from the years 1979 - 2009 or refer to the specified year. The annual mean temperature in 2010 was 8.1 (8.6) degrees Celsius and 888.2 (873.0) liters of precipitation fell on every square meter at the measuring point. In total, the past year had 134 (129) rainy days, days on which it rained or snowed one and more than one liter per square meter. The largest amount of rain within 24 hours fell at the measuring point from June 17th to 18th with 38.5 (45.3) liters / square meter. The wind freshened up to at least wind force six (39 km / h and more) on 76 (97) days of the year and blew mainly from a south-south-westerly direction. Thunderstorms were recorded on 17 (25) days. There were fog on 32 (30) days and the sun shone at the observation site for 1738.7 hours. The average over the previous 20 years was 1832 hours. There were frost on 108 (99) days in 2010 and ice days, on which it remained below zero all day, were counted 44 (20). The coldest day of the whole of 2010 was December 26th with minus 15.6 (-15.6) degrees Celsius and thus exactly corresponded to the average value from the previous 32 years. The frost-free period lasted from April 23 to October 20 - i.e. 180 (169) days. It snowed on 58 (39) days throughout 2010 and there was a closed snow cover on 72 (40) days. If you add up all the snow that fell in 2010, you get a total of 190 cm (89 cm) of new snow - more than twice as much as the average. The thickest snow cover in 2010 was 22 cm at station height on December 26th. Summer days (25.0 and more degrees) totaled 42 (43) in 2010, and hot days (30.0 and more degrees) were counted 10 (7). The warmest day of 2010 was July 10th with 33.6 (32.9) degrees Celsius.

All values ​​listed were registered in Balingen-Heselwangen, 573 meters above sea level.

Karl-Heinz Jetter