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Right, so 3.5 standard deviations are as far as it can go over the longer term, and 3 standard deviations the best we've had over the shorter term. Interesting! I'll bear in mind the fact that December 2010 was only the third most exceptional month of its era when it's the only one of those months people still remember in 30 years' time.
I remember somebody saying about somewhere in Siberia once having had an April in the 80s that was 5 SDs above the mean, does anybody know any details about any record?
I couldn't find the data from that far back, quite amazing how far back it goes, one has to wonder how accurate their instruments were back in the late 17th century. What scale did they use?
1977 to 1989 was just an incredibly cold period in the eastern US. 1977 coldest Jan on record for us. Monthly mean 20F which is 12F off the monthly mean. Nothing has come close to that since.
Three out of four winters in a row, from 1982-85 featured extreme winter low temps of -7,-7, and -6F. I couldn't find any period with those kind of consecutive extreme lows going back to 1920.
Yet I can find no where an explanation of what caused that period to be so much colder than other years. I've heard mentioned that the polar low (or portion of it) was permanently stationed over Montreal in the 1980's lol.
1977 to 1989 was just an incredibly cold period in the eastern US. 1977 coldest Jan on record for us. Monthly mean 20F which is 12F off the monthly mean. Nothing has come close to that since.
Three out of four winters in a row, from 1982-85 featured extreme winter low temps of -7,-7, and -6F. I couldn't find any period with those kind of consecutive extreme lows going back to 1920.
Yet I can find no where an explanation of what caused that period to be so much colder than other years. I've heard mentioned that the polar low (or portion of it) was permanently stationed over Montreal in the 1980's lol.
1979-87 had a string of really cold winters here too.
Total number of ice days in Bingley 1981-1987: 98
Total number of ice days in Bingley 2001-2007: 5
I couldn't find the data from that far back, quite amazing how far back it goes, one has to wonder how accurate their instruments were back in the late 17th century. What scale did they use?
Good point. I wondered too because the Celsius and Fahrenheit scale weren't invented until the early 18th century.
"The CET dataset is the longest instrumental record of temperature in the world. The mean, minimum and maximum datasets are updated monthly, with data for a month usually available by the 3rd of the next month. A provisional CET value for the current month is calculated on a daily basis. The mean daily data series begins in 1772 and the mean monthly data in 1659. Mean maximum and minimum daily and monthly data are also available, beginning in 1878."
Day with white memories today for me! The one is from December 2001 with very cold weather from 12-12 till the mid January 2002 and heavy snow. Today fell in 2001 about 30-40 cm of snow in the city of Serres. At 16-12-2010 we had our second snowfall in the month with 15 cm of snow. It also snowed in Ioannina. Here are some photos and videos from 2010.
The dual heatwaves of 2009 are probably the most famous in Melbourne.
The Jan/Feb heatwave: 3 days of 43°C+ temperature were recorded, with the rest of the week in the 30°C-35°C range. This heatwave also resulted in the highest recorded temp of 46.8°C.
The November heatwave: a week of 30°C temperatures, peaking at 35.7°C, with a 38.0°C a week later. It was the hottest November on record.
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