Thiokol Propulsion F S Threshold Days by Year

17 fixed thresholds counted per year at Thiokol Propulsion F S (USC00428668): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Thiokol Propulsion F S Thresholds

Thiokol Propulsion F S: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1968 with 206.
Thiokol Propulsion F S: nights with a minimum temperature at or below -10 C (14 F) in 41 years, most in 1985 with 93.
Thiokol Propulsion F S: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1982 with 18.
Thiokol Propulsion F S: nights with a minimum temperature at or below -20 C (-4 F) in 34 years, most in 1964 with 31.
17 fixed thresholds have at least one qualifying day at Thiokol Propulsion F S.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Thiokol Propulsion F S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 95 in 1988.

Days at or above 30 C (86 F) per year at Thiokol Propulsion F S
Year	Days	Decade average
1963	60	60.7
1964	50	60.7
1965	36	60.7
1966	85	60.7
1967	70	60.7
1968	54	60.7
1969	70	60.7
1970	69	69.6
1971	75	69.6
1972	58	69.6
1974	86	69.6
1975	56	69.6
1976	61	69.6
1977	76	69.6
1978	67	69.6
1979	78	69.6
1980	64	71.6
1981	85	71.6
1982	63	71.6
1983	55	71.6
1984	61	71.6
1985	72	71.6
1986	76	71.6
1987	73	71.6
1988	95	71.6
1989	72	71.6
1990	78	79
1992	76	79
1994	83	79
2003	86	73.5
2004	63	73.5
2005	63	73.5
2006	82	73.5

For each year, a bar from the first to the last day at Thiokol Propulsion F S meeting 30 C (86 F).

First to last qualifying date each year at Thiokol Propulsion F S
Year	First date	Last date
1963	1963-06-27	1963-10-04
1964	1964-06-25	1964-08-25
1965	1965-05-31	1965-08-17
1966	1966-05-27	1966-09-25
1967	1967-05-22	1967-09-06
1968	1968-06-02	1968-09-13
1969	1969-05-25	1969-09-08
1970	1970-06-03	1970-09-02
1971	1971-06-16	1971-09-13
1972	1972-05-31	1972-08-27
1974	1974-05-27	1974-09-20
1975	1975-06-13	1975-09-10
1976	1976-06-07	1976-09-06
1977	1977-06-01	1977-09-08
1978	1978-06-13	1978-09-07
1979	1979-05-23	1979-09-23
1980	1980-06-18	1980-09-18
1981	1981-06-21	1981-09-20
1982	1982-06-20	1982-09-10
1983	1983-05-28	1983-09-16
1984	1984-05-30	1984-09-20
1985	1985-06-08	1985-09-02
1986	1986-05-28	1986-09-08
1987	1987-05-14	1987-09-24
1988	1988-05-16	1988-09-10
1989	1989-06-14	1989-09-30
1990	1990-06-09	1990-09-16
1992	1992-05-06	1992-10-01
1994	1994-06-03	1994-09-29
2003	2003-05-23	2003-09-28
2004	2004-06-03	2004-09-18
2005	2005-06-15	2005-08-29
2006	2006-05-16	2006-09-13

Every Fixed Threshold

Fixed thresholds at Thiokol Propulsion F S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	95	1988	82
35 C (95 F): Days	32	40	1988	19
40 C (104 F): Days	3	1	1990	1
90 F (32.2 C): Days	33	75	1988	59
100 F (37.8 C): Days	17	18	2003	9
0 C (32 F): Ice days (max	33	73	1964	25
0 C (32 F): Frost days (min	41	206	1968	167
-10 C (14 F): Days with min	41	93	1985	51
-20 C (-4 F): Days with min	34	31	1964	15
-30 C (-22 F): Days with min	8	3	1982	3
20 C (68 F): Tropical nights (min	23	6	1989	2
25 C (77 F): Days with min	1	1	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	41	18	1982	11
25 mm (0.98 in): Days with 25 mm or more rain	30	4	2004	1
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1977	1
10 cm (3.9 in): Days with 10 cm or more snowfall	19	5	1971	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1984	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

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Data for Thiokol Propulsion F S threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Thiokol Propulsion F S Threshold Days by Year

Key Facts for Thiokol Propulsion F S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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