Oct. 17 - A Cold Start to October for Riverton

...COLDEST FIRST 17 DAYS OF OCTOBER IN RIVERTON WEATHER HISTORY...

THE AVERAGE TEMPERATURE IN RIVERTON FROM OCTOBER 1 THROUGH OCTOBER
17 WAS 35.9 DEGREES...WHICH WAS THE COLDEST OCTOBER 1 THROUGH OCTOBER
17 PERIOD IN RIVERTON SINCE OFFICIAL WEATHER RECORDS BEGAN IN
1907.

THE RECORD LOW TEMPERATURE OF 6 DEGREES ON THE MORNING OF OCTOBER
10TH WAS THE COLDEST TEMPERATURE EVER RECORDED IN THE FIRST 19 DAYS
OF OCTOBER AND THE ONLY TIME THE FIRST 19 DAYS OF OCTOBER HAD A
TEMPERATURE BELOW 10 DEGREES. THERE WAS ONE 9 DEGREE READING BACK
ON SEPTEMBER 25TH IN 1926. THOSE 2 MORNING LOWS ARE THE ONLY SINGLE
DIGIT LOWS EVER RECORDED BEFORE OCTOBER 20TH SINCE RIVERTON RECORDS
BEGAN IN 1907.

THE 10 COLDEST OCTOBER 1ST TO OCTOBER 17TH PERIODS ARE LISTED BELOW.

AVERAGE TEMPERATURE...YEAR
35.9...2009
37.6...1919
38.9...1969
40.9...1985
42.6...1966
42.6...1970
42.7...1946
42.8...1986
43.2...1941
43.4...1982

THE AVERAGE HIGH TEMPERATURE IN RIVERTON FROM OCTOBER 1 THROUGH
OCTOBER 17 WAS 46.5 DEGREES...WHICH WAS THE COLDEST OCTOBER 1 THROUGH
OCTOBER 17 PERIOD OF HIGH TEMPERATURES IN RIVERTON SINCE OFFICIAL
WEATHER RECORDS BEGAN IN 1907.

HERE ARE THE TEN COLDEST OCTOBER 1 THROUGH OCTOBER 17 PERIODS IN
RIVERTON IN TERMS OF AVERAGE HIGH TEMPERATURE.

AVERAGE HIGH TEMPERATURE...YEAR
46.5...2009
49.7...1919
51.2...1969
53.3...1946
55.7...1994
57.4...1982
57.9...2008
58.1...1966
58.2...1912
58.4...1923

THE AVERAGE LOW TEMPERATURE IN RIVERTON FROM OCTOBER 1 THROUGH
OCTOBER 17 WAS 25.2 DEGREES...WHICH WAS TIED FOR THE 3RD COLDEST
OCTOBER 1 THROUGH OCTOBER 17 PERIOD OF LOW TEMPERATURES IN RIVERTON
SINCE OFFICIAL WEATHER RECORDS BEGAN IN 1907.

HERE ARE THE TEN COLDEST OCTOBER 1 THROUGH OCTOBER 17 PERIODS IN
RIVERTON IN TERMS OF AVERAGE LOW TEMPERATURE.

AVERAGE LOW TEMPERATURE...YEAR
22.9...1985
24.9...1984
25.2...1970/2009
25.5...1919
26.5...1969
26.5...1987
26.9...1986
26.9...1992
27.1...1966


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