SOME HOT FACTOIDS ABOUT

TRIPLE DIGIT TEMPERATURES

 (100 F / 37.7777C *)

IN EL PASO TEXAS

David J.Novlan /  Climate Focal Point /  WFO El Paso

FROM 1879 THROUGH 2008 THE MAXIMUM TEMPERATURE HAS REACHED 100 DEGREES F OR HIGHER 1930TIMES.

ON THE "AVERAGE" EL PASO EXPERIENCES 14.96 DAYS OF TRIPLE DIGITS PER YEAR.

SINCE 1879 NO YEAR HAS GONE WITHOUT AT LEAST ONE TRIPLE DIGIT OCCURRENCE.

THE FOLLOWING YEARS SAW ONLY ONE OCCURRENCE OF TRIPLE DIGITS.

1899 1904 1914 1917 1919 1926 1941 1967

 THE HOTTEST DAY (114 F) I N EL PASO OCCURRED ON JUNE 30, 1994

1994 ALSO WAS THE YEAR A RECORD CONSECUTIVE  23 DAYS OF TRIPLE DIGITS OCCURRED FROM JUNE 23 THROUGH JULY 15

THE EARLIEST OCCURRENCE OF 100 DEGREES WAS ON MAY 8, 1989.

THE LATEST START TIME OF 100 DEGREES WAS ON SEPT. 2, 1899.

THE LATEST OCCURRENCE OF 100 DEGREES WAS ON SEPTEMBER 16, 1956 (101 F)

THE 'AVERAGE' STARTING DATE FOR TRIPLE DIGITS IS JUNE 7.

THE 'AVERAGE ENDING DATE FOR TRIPLE DIGITS IS AUGUST 13.

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MONTHLY FREQUENCY DISTRIBUTION OF TRIPLE DIGITS

(NUMBER PER MONTH AND PERCENTAGE )

MAY JUNE JULY AUGUST SEPTEMBER
63 875 708 257 27
3.3% 45.3% 36.7% 13.3% 1.4%

NOTE THE ASYMMETRIC DISTRIBUTION ABOUT JULY CENTERED ON JUNE.  JUNE IS THE MONTH WITH THE HIGHEST SOLAR ANGLES AND LONGER DAYS BUT JULY THROUGH MID SEPTEMBER HOST THE RAINY SEASON IN EL PASO (THE MONSOON SHIFT OF THE PREVAILING WEST WINDS TO THE EAST) IN WHICH AROUND 50% OF THE ANNUAL PRECIPITATION FALLS...SKEWING THE TEMPERATURE CURVE.

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SYNOPTIC CONSIDERATIONS: TRIPLE DIGITS ARE MOST LIKE ESPECIALLY IN RUNS OF CONSECUTIVE DAYS WHEN SUBTROPICAL HIGH PRESSURE ALOFT (ASSOCIATED WITH SUBSIDENCE-DOWNWARD MOTION IN THE ATMOSPHERE WHICH IN TURN  WARMS THE ATMOSPHERE AND SUPPRESSES  CLOUD AND THUNDERSTORM DEVELOPMENT) POSITIONS ITSELF OVER NEW MEXICO AND OR ARIZONA AND NEW MEXICO RATHER THAN TO THE EAST OF NEW MEXICO (WHICH IS FAVORABLE FOR MOISTURE INPUT).

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FREQUENCY DISTRIBUTION OF THE TEMPERATURES THEMSELVES

TEMP 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
 % 29.38 20.57 16.17 10.57 7.25 6.27 3.37 1.81 1.71 .52 1.55 .47 .21 .10 .05

 77% OF THE TRIPLE DIGITS ARE <= 103 F

 THE PROBABILITY DENSITY FUNCTION OF THE TRIPLE DIGITS CAN BE REPRESENTED BY AN EXPONENTIAL DECAY FUNCTION OF THE FORM:

P(T) = A*e(B/T)

WHERE T = TEMPERATURE IN DEG F...A = 2.433*10(-18)......e=2.71........B=44.01.735

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HIGHEST TEMPERATURE BY MONTH

MAY JUNE JULY AUG SEP
105 114 112 110 104
1886/2005 1994 1886  1979 1884 1982

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MOST LIKELY TIME TO ENCOUNTER TRIPLE DIGITS:

THERE IS  A 67% LIKELIHOOD OF HAVING A TRIPLE DIGIT BETWEEN JUNE 11 AND JULY 18

BOTH JUNE 23 AND JUNE 28 HAVE EACH SEEN THE MOST  DAYS  (49)   WITH TRIPLE DIGITS SINCE 1879

-----------------

NOTE TEMPS 1879-1886 SHOW HIGH BIAS DUE TO SHELTER LOCATION:

TOTAL NUMBER OT TRIPLE DIGITS PER MONTH PER YEAR 1879-2008

 
TOTAL
TOTAL
TOTAL
TOTAL
TOTAL
TOTAL
YEAR
MAY
JUNE
JULY
AUG
SEP
YEAR
1879
2
7
15
5
4
33
1880
0
4
3
1
0
8
1881
2
20
11
0
0
33
1882
0
13
24
7
0
44
1883
0
21
17
5
0
43
1884
4
18
29
15
0
66
1885
1
12
24
13
0
50
1886
7
16
22
9
0
54
1887
0
2
5
4
0
11
1888
0
4
1
6
0
11
1889
0
3
6
7
1
17
1890
0
3
3
0
0
6
1891
0
1
9
5
0
15
1892
0
9
4
0
0
13
1893
0
10
3
0
0
13
1894
0
1
3
0
0
4
1895
0
0
2
0
0
2
1896
4
11
0
0
0
15
1897
0
4
0
0
0
4
1898
0
2
2
0
0
4
1899
0
0
0
0
1
1
1900
0
5
2
5
0
12
1901
0
6
1
0
0
7
1902
1
9
1
0
0
11
1903
0
4
4
1
0
9
1904
0
0
1
0
0
1
1905
0
1
3
0
0
4
1906
0
6
1
0
0
7
1907
0
5
2
1
0
8
1908
0
5
2
0
0
7
1909
0
0
4
0
0
4
1910
0
4
6
4
0
14
1911
0
4
0
3
0
7
1912
0
0
1
1
0
2
1913
0
0
4
0
0
4
1914
0
1
0
0
0
1
1915
0
9
5
0
0
14
1916
0
10
3
0
0
13
1917
0
0
1
0
0
1
1918
0
4
1
0
0
5
1919
0
0
0
1
0
1
1920
0
1
2
0
0
3
1921
0
3
2
0
0
5
1922
0
5
2
0
0
7
1923
0
3
2
3
0
8
1924
0
14
2
3
0
19
1925
0
0
3
0
0
3
1926
0
1
0
0
0
1
1927
0
0
2
0
0
2
1928
0
9
7
0
0
16
1929
0
8
3
0
0
11
1930
0
4
1
2
0
7
1931
0
2
2
1
0
5
1932
0
9
6
1
0
16
1933
0
9
4
0
0
13
1934
0
7
4
1
0
12
1935
0
3
2
0
0
5
1936
0
6
4
0
0
10
1937
0
8
10
6
0
24
1938
0
5
0
2
0
7
1939
0
8
1
0
0
9
1940
0
1
3
1
0
5
1941
0
1
0
0
0
1
1942
0
9
6
0
0
15
1943
0
2
2
1
0
5
1944
0
4
5
5
0
14
1945
0
4
2
3
1
10
1946
0
6
2
1
0
9
1947
0
3
5
0
0
8
1948
0
6
5
1
1
13
1949
0
3
2
0
0
5
1950
0
11
0
1
0
12
1951
5
8
14
3
0
30
1952
0
4
1
4
0
9
1953
0
13
5
1
0
19
1954
0
4
3
1
0
8
1955
0
4
3
0
0
7
1956
0
7
1
2
1
11
1957
0
7
8
0
0
15
1958
1
6
12
0
0
19
1959
0
11
3
3
4
21
1960
0
16
7
4
0
27
1961
0
5
4
3
0
12
1962
0
5
1
10
0
16
1963
0
6
13
0
0
19
1964
1
2
9
2
0
14
1965
0
3
9
1
0
13
1966
0
2
5
1
0
8
1967
0
1
0
0
0
1
1968
0
7
1
0
0
8
1969
3
6
11
16
0
36
1970
0
10
8
0
0
18
1971
0
5
3
0
0
8
1972
0
3
5
1
0
9
1973
0
5
8
5
1
19
1974
1
11
4
0
0
16
1975
0
14
2
5
0
21
1976
0
3
0
2
0
5
1977
0
13
5
5
0
23
1978
0
18
11
2
0
31
1979
0
12
19
0
4
35
1980
0
25
24
6
0
55
1981
0
15
11
0
0
26
1982
0
11
15
5
1
32
1983
0
6
6
0
2
14
1984
3
0
1
0
0
4
1985
0
9
4
2
0
15
1986
0
0
6
1
0
7
1987
0
5
11
2
0
18
1988
0
1
2
0
0
3
1989
4
11
7
0
0
22
1990
0
18
0
0
0
18
1991
0
10
1
0
1
12
1992
0
10
12
2
2
26
1993
1
9
9
6
0
25
1994
2
23
21
16
0
62
1995
0
2
6
3
1
12
1996
2
11
2
0
0
15
1997
1
9
6
0
0
16
1998
0
13
4
0
0
17
1999
0
6
2
0
0
8
2000
4
3
5
0
2
14
2001
2
6
7
1
0
16
2002
2
18
3
9
0
32
2003
0
2
13
5
0
20
 2004
1
7
8
0
0
16
2005
5
13
18
0
0
36
2006
2
11
7
0
0
20
2007
0
7
6
3
0
16
2008
2009
2
0
14
1
0
16
0
4
0
0
16
21
TOTAL
63
876
724
261
27
1951

 

 

 

 

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BEAT THE HEAT.............................EVITE EL CALOR

SOME HOT LINKS CONCERNING THE NWS HEAT INDEX AND FEMA HEAT SAFETY GUIDELINES

http://www.nws.noaa.gov/om/brochures/heat_wave.shtml

http://www.srh.noaa.gov/bmx/tables/heat_index.php

http://www.fema.gov/hazard/heat/index.shtm

BE A BUDDY!

IN EL PASO, TEXAS

MAKE A DAILY CALL OR VISIT TO AN ELDERLY, SICK OR HOMEBOUND FRIEND OR RELATIVE DURING EXTREME HOT OR COLD WEATHER

EL PASO EXTREME WEATHER TASK FORCE

CALL  (915) 771 5703 OR 771-1011

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

* NOTE THAT THE INFINITE REPEATING DECIMAL 37.77777777...     =    37 + 7/9

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