Posted by: Old Grouch in Dear Diary... at 02:59:39 GMT | No Comments | Add Comment
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The first twelve days of 2010 in Indianapolis rank as the 14th coldest start to January on record in terms of daily average temperature.  The coldest temperature seen during the 12 day period was 1 degree on January 3.  The warmest temperature recorded during the period was 31 degrees on January 12.  The last time the first 12 days of January averaged colder was in 1999. The last time we had at least 12 consecutive days below 32 degrees was in 2007.

In terms of high temperature only, the first 12 days of January rank as the 9th coldest start of the month...

The temperature surged above 32 degrees in Indianapolis on January 13 for the first time since December 31, as most of central Indiana rose into the middle and upper 30s.  This marks the end to the longest streak of continuous subfreezing temperatures in almost three years.  That streak lasted 15 consecutive days, from January 28-February 11, 2007.  The longest streak of consecutive subfreezing temperatures in Indianapolis began on December 29, 1976 and continued until February 2, 1977, a total of 36 days.

Posted by: Old Grouch in Dear Diary... at 16:31:04 GMT | No Comments | Add Comment
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National Weather Service:

The average temperatures for the first three days of 2010 are among the coldest of record for Indianapolis. The last time the New Year began on a colder note was in 1940 or 70 years ago...

Indianapolis, Indiana
Lowest Average Temperatures
for January 1 - January 3
(records begin in 1871)

“Coldness” Rank	Average Temperature Degrees F	Year(s)
1 (tie)	1°	1928, 1887
3 (tie)	8.7°	1879, 1877
5	8.8°	1940
6	11.2°	1920
7	11.7°	2010
8	12.2°	1974
9	13.7°	1968
10	13.8°	1979
11	14.0°	1918
12	14.5°	2008
13	14.7°	1969
14 (tie)	15.2°	2001, 1977
16	15.3°	1958
17	15.5°	1901
18 (tie)	15.7°	1919, 1885
20	16.0°	1945

The latest forecast indicates that the first 10 days of the New Year will continue to remain near the top ten coldest starts to a new year. The average temperature for the first ten days of January is expected to be around 14 degrees. The last time the first ten days of a new year were colder was in 1999, and the last time Indianapolis experienced a cold spell of this duration or colder was in February 2007. The record cold for a ten day period is 0.5 degrees which occurred from December 15-24, 1989.

Indianapolis, Indiana
Predicted Lowest Average Temperatures
for January 1 - January 10
(records begin in 1871)

“Coldness” Rank	Average Temperature Degrees F	Year(s)
1 (tie)	8.2°	1970, 1887
3	8.3°	1879
4	9.0°	1884
5	9.4°	1912
6	10.6°	1979
7	12.3°	1999
8	12.5°	1968
9	13.2°	1942
10	13.4°	1875
-	13.5° projected	2010
11	14.1°	1988
12	14.2°	1940
13	15.1°	1969
14	15.3°	1977
15	15.6°	1893
16 (tie)	15.9°	1981, 1877
18	17.9°	1974
19	18.8°	1996
20	18.9°	1920

Posted by: Old Grouch in Dear Diary... at 18:09:43 GMT | No Comments | Add Comment
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