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January 3, 2008 by ParsonsWeather.com.
A strong arctic high pressure over our area gave us high barometer reading that have been recorded over the last 24 hours. The highest reading occurred today at 9:35am with a reading of 30.92 in. These are the highest barometer readings that we have seen here, but there have been even higher readings recorded elsewhere in the past.
The highest barometric pressure ever recorded was 32.01 inches, in Agata, U.S.S.R. on Dec 31, 1968. Agata is located in northern Siberia. The weather was clear and very cold, temperatures were between -40° and -60°.
The lowest barometric pressure ever recorded was 25.69 inches, in Typhoon Tip in the western Pacific Ocean on Oct 12, 1979. The measurement was made from a reconnaissance aircraft.
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January 3, 2008 by ParsonsWeather.com.
Public Information statement from the NWS:
2007 is the 2nd warmest year on record in Nashville and the 9th driest.
The temperature for 2007 is averaging 62.3 degrees in Nashville.
This is 3.4 degrees above normal…and just two tenths of one degree shy of the warmest year on record…which was back in 1921 when the temperature averaged 62.5 degrees. The normal annual temperature in Nashville is 58.9 degrees.
Through December 30th Nashville is having its 9th driest year on record and the driest since 1988. Rainfall so far this year has totaled 35.65 inches which is 74 percent of the 30 year normal annual rainfall of 48.11 inches.
2007 in review
January
The temperature for January 2007 was 4.9 degrees above normal.
This was the fourth consecutive January with above normal temperatures. The warmest temperature was 71 degrees on the 13th…and the coldest was 11 degrees on the 29th. This also was the coldest temperature observed during the winter of 2006 and 2007.
Rainfall for January 2007 was slightly below normal with 3.32 inches falling during the month. Only a trace of snow fell during the month.
February
In February 2007 Nashville had its coldest February since 1985.The temperature was 4.2 degrees below normal for the month.The warmest temperature during the month was 75 degrees on the 28th.The coldest temperature was 13 degrees on the 16th. Rainfall totaled only 1.84 inches. This is 1.85 inches below normal.Snowfall totaled 2.2 inches.
Winter 2006-2007
Rainfall for December 2006…January and February 2007 totaled
8.57 inches…making it the 19th driest winter on record…and the driest since the winter of 1985 and 1986.
March
The temperature for March 2007 was 8.1 degrees above normal…making it the 6th warmest March on record and the warmest since 1946.
The warmest temperature during the month was 86 degrees on the 25th and 26th. The coldest temperature was 26 degrees on the 5th.
A new record high temperature was set on March 25th when the temperature reached 86 degrees breaking a 100 year old record. The previous record was 85 degrees set in 1907.The high on March 26th was also 86 degrees which tied the record high for the date set previously in 1910. Rainfall totaled 2.26 inches which was 2.61 inches below normal. March 2007 was the driest March since 1988. No snow fell in March.
April
The temperature for April 2007 was 1.2 degrees below normal. The warmest temperature during the month was 87 degrees on the 30th and the coldest was 23 degrees on the 8th. The 23 degrees on April 8th 2007…not only broke the record for the date but it also established a new record for the coldest temperature so late in the season. The 23 degrees on April 8th is also the coldest temperature ever recorded on Easter in Nashville. April 2007 was colder than March 2007. This was only the 5th time since record keeping began back in 1870 that April was colder than March. Other times were in
1973…1910…1907 and in 1898. In 1907 April was a chilly 7.8 degrees colder than March. Rainfall totaled 2.75 inches which is
1.18 inches below normal. No snow fell in Nashville during April but a trace was observed on April 15th at the weather forecast office on Old Hickory Lake in west Wilson County.
May
The temperature for may 2007 was 4.0 degrees above normal.
The warmest temperature was 89 degrees on the 29th and 30th.
The coldest temperature was 46 degrees on the 20th. Rainfall totaled 3.30 inches which was 1.77 degrees below normal. No measurable rain fell last half of the month. May was the 7th month in a row with below normal rainfall.
Spring 2007
Rainfall for the months March…April and may 2007 totaled 8.31 inches making the Spring of 2007 the 10th driest on record in Nashville and the driest since 1988. Spring rainfall totaled
8.31 inches.
June
The temperature for June 2007 was 2.8 degrees above normal.
The warmest temperature was 95 degrees on the 17th and the coolest was 59 degrees on the 21st. Rainfall totaled 2.37 inches which is 1.71 inches below normal. By the end of June the drought had a hold on much of middle Tennessee including Nashville.
January through June
Nashville had only 62 percent of its normal January through June rainfall in 2007. This was the 4th driest first half of any year on record and the driest since 1988.
Rainfall totaled 15.84 inches for the first 6 months of 2007.
Normal rainfall for January through June is 25.61 inches.
July
The temperature for July 2007 was 0.8 degrees above normal.
The warmest temperature was 95 degrees on the 19th and the coolest was 62 degrees on the 22nd. Rainfall totaled 1.47 inches which was 2.30 inches below normal.
July 2007 was the 11th driest on record and the driest since 1986.
August
…August 2007 was the hottest month on record in Nashville…
The average temperature during the month of August 2007 averaged
86.9 degrees…which was 9.0 degrees above normal. It was 3.6 degrees hotter than the hottest August on record…which was in 1995…and the hottest of any month in 137 years of record keeping.
Previously…June of 1952 was the hottest month on record…when the average monthly temperature was 84.7 degrees.
The Summer months of June through August 2007…ended up 4.2 degrees above normal…which is the hottest since 1952.
There were 15 days of 100 degrees and above in Nashville during August 2007. This is the most ever in the month of August. The previous record for August was 7 days back in 1954.
The 15 days of 100 degrees and above in Nashville is also the most ever recorded in a single month. The previous record was 11 days back in 1952.
The 15 days of 100 degrees and above is the 3rd most recorded during any Summer on record. The most ever recorded during the Summer is 20 days back in 1954…and the 2nd most is 19 days in 1952.
The 15 days of 100 degrees and above is more than twice what was recorded over the entire 15 year period between 1991 and 2006.
During those 15 years…there were only 6 days of 100 degrees or more.
A string of 7 consecutive days of 100 degrees and above began on August 12th…2007. This string is only exceeded by 8 consecutive days back in June of 1952.
There were 5 daily high temperature records set during the month of August 2007. Those include…
August 15th…when Nashville hit 104 degrees…breaking the previous record of 102 degrees set in 1954.
August 16th…when Nashville hit 106 degrees…breaking the previous record of 104 degrees set in 1954.
August 22nd…when Nashville hit 102 degrees…breaking the previous record of 100 degrees set in 1983.
August 23rd…when Nashville hit 103 degrees…breaking the previous record of 100 degrees set in 1983.
August 24th…when Nashville hit 102 degrees…breaking the previous record of 100 degrees set in 1943.
The 106 degrees on August 16th also set a new all time record high for the month of August. The previous record was 105 degrees set back in 1930. Also…the 106 degrees on August 16th was the hottest temperature in Nashville in the last 55 years…only surpassed by 107 degrees back on July 27th and July 28th in 1952.
Even the nighttime temperatures were exceptionally warm during the month of August.
There were 8 highest daily minimum temperature records either tied or broken during the month of August 2007. Those include…
August 9th…when the overnight low of 81 degrees tied the previous record set in 1930.
August 10th…when the low of 82 degrees broke the previous record of 79 degrees set in 1918. This also is the warmest nighttime low ever recorded in the month of August. The previous record was 81 degrees set in 1930.
August 11th…when the low of 77 degrees tied the previous record set in 1934.
August 17th…when the low of 81 degrees broke the previous record of 79 degrees set in 1995.
August 21st…when the low of 81 degrees broke the previous record of 79 degrees set in 1936 and tied in 1983.
August 22nd…when the low of 76 degrees tied the previous record set in 1936.
August 23rd…when the low of 78 degrees broke the previous record of 75 degrees set in 1989.
August 28th…when a low of 76 degrees tied the previous record set in 1903.
There was a record shattering 24 consecutive days of 95 degrees and above in Nashville during the month of August 2007. A string that began on August 2nd and ended on August 25th. The previous record was
19 days set in June 1952.
There was also a record setting string of 34 days of 90 degrees and above that began on July 26th and ended on August 28th. The previous record was 31 days set in June 1952 and tied in June 1954.
August 2007 had the largest cooling degree day total of any month on record…with a total of six hundred and Eighty Eight. The Summer months of June through August had a cooling degree day total of one thousand…five hundred and Fifty Six. This is the most since the Summer of 1952…when a total of one thousand…six hundred and fifty four…cooling degree days was recorded.
The twenty eight cooling degrees days on August 9th…2007 was the second most on record for a single day…and the most since July
14th…1954 which had thirty.
Rainfall in Nashville for August totaled 1.38 inches…making it the driest August since 1996. The driest August on record was back in 1929 when only 0.51 inches fell.
Summer 2007
The Summer of 2007 was the 4th hottest on record and the hottest since 1952. The temperature averaged 81.6 degrees during the Summer months of June…July and August. This is 4.2 degrees above normal.
The Summer months of June through August 2007 was the 3rd driest on record in Nashville…and the driest since 1954. For June through August…rainfall totaled 5.22 inches. This was 5.91 inches below normal. The Summer of 1954 is the driest on record with 4.74 inches of rain…followed by 1925 with 4.94 inches. Rainfall from January 1st through the end of August was only 57 percent of normal.
Rainfall totaled 18.69 inches. This is 13.97 inches below the 30 year normal.
September
The temperature for September 2007 was 4.5 degree above normal.
The warmest tempreature was 96 degrees on the 4th and the coolest was 50 degrees on the 16th. Rainfall totaled 1.99 inches which is 1.60 inches below normal. It started on July 27th and didn’t end until September 11th. A streak of 46 consecutive days of above normal temperatures in Nashville. This was one of the longest streaks of above normal temperatures in the record book.
October
The temperature for October 2007 was 5.5 degrees above normal.
The warmest temperature was 90 degrees on the 7th and 8th.
The coolest temperature was 40 degrees on the 29th and 30th.
The high temperature on October 17th was 86 degrees which tied the record high for the date set in 1965. Rainfall totaled 4.95 inches which is 2.08 inches above normal. 2.18 inches of rain fell on October 23rd breaking the calendar day rainfall record set previously in 1984 with 1.36 inches. October 2007 was the first month with above normal rainfall since October 2006.
November
The temperature for November 2007 was 0.5 degrees above normal.
The warmest temperature was 75 degrees on the 5th and 14th. The coolest temperature was 26 degrees on the 24th and 30th.
November 2007 was the wettest November since 2000. Rainfall totaled 6.20 inches in November 2007 which is 1.75 inches above normal. No snow fell in November.
Fall 2007
The fall months of September…October and November were the 12th warmest on record. This was the warmest fall since 1998.
Rainfall totaled 12.98 inches which is 2.07 inches above normal.
December
December 2007 will end up one of the warmest decembers on record.
The temperature through December 30th is averaging 5.7 degrees above normal. The warmest temperature was 76 degrees on the 11th and the coldest was 22 degrees on the 17th. A high of 73 degrees on the 9th set a new record for the date. The previous record was 71 set in 1952. The high of 76 degrees on the 11th broke a record that had stood for 134 years. The previous record was 72 set back in 1873.
Rainfall through December 30th has totaled 3.82 inches which is 0.72 inches below normal. A trace of snow has fallen this month.
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