Vichy Rolla Natl AP Threshold Days by Year (USW00013997)

19 fixed thresholds counted per year at Vichy Rolla Natl AP (USW00013997): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vichy Rolla Natl AP Thresholds

Vichy Rolla Natl AP: days with a maximum temperature at or above 30 C (86 F) in 71 years, most in 1953 with 99.
Vichy Rolla Natl AP: days with a maximum temperature at or above 90 F (32.2 C) in 71 years, most in 1953 with 75.
Vichy Rolla Natl AP: days with a maximum temperature at or below 0 C (32 F) in 71 years, most in 1978 with 44.
Vichy Rolla Natl AP: nights with a minimum temperature at or below 0 C (32 F) in 71 years, most in 2013 with 123.
19 fixed thresholds have at least one qualifying day at Vichy Rolla Natl AP.

Days at or above 30 C (86 F)

71 years with a qualifying day

Days per year at Vichy Rolla Natl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1953.

Days at or above 30 C (86 F) per year at Vichy Rolla Natl AP
Year	Days	Decade average
1948	63	57
1949	51	57
1950	29	69.1
1951	44	69.1
1952	92	69.1
1953	99	69.1
1954	96	69.1
1955	78	69.1
1956	81	69.1
1957	51	69.1
1958	53	69.1
1959	68	69.1
1960	64	62.5
1961	49	62.5
1962	76	62.5
1963	81	62.5
1964	77	62.5
1965	47	62.5
1966	63	62.5
1967	47	62.5
1968	62	62.5
1969	59	62.5
1970	61	60.9
1971	75	60.9
1972	65	60.9
1973	67	60.9
1974	52	60.9
1975	74	60.9
1976	48	60.9
1977	54	60.9
1978	66	60.9
1979	47	60.9
1980	88	52.3
1981	39	52.3
1982	30	52.3
1991	76	60.7
1992	37	60.7
1993	63	60.7
1994	56	60.7
1995	70	60.7
1996	64	60.7
1997	44	60.7
1998	71	60.7
1999	65	60.7
2000	73	60.2
2001	64	60.2
2002	73	60.2
2003	53	60.2
2004	35	60.2
2005	86	60.2
2006	74	60.2
2007	63	60.2
2008	40	60.2
2009	41	60.2
2010	82	66.9
2011	75	66.9
2012	94	66.9
2013	47	66.9
2014	48	66.9
2015	52	66.9
2016	68	66.9
2017	61	66.9
2018	82	66.9
2019	60	66.9
2020	65	68.3
2021	63	68.3
2022	66	68.3
2023	72	68.3
2024	69	68.3
2025	63	68.3
2026	80	68.3

For each year, a bar from the first to the last day at Vichy Rolla Natl AP meeting 30 C (86 F).

First to last qualifying date each year at Vichy Rolla Natl AP
Year	First date	Last date
1948	1948-04-19	1948-09-21
1949	1949-05-03	1949-10-08
1950	1950-05-04	1950-10-30
1951	1951-04-28	1951-10-04
1952	1952-04-29	1952-10-13
1953	1953-04-22	1953-10-18
1954	1954-04-06	1954-10-10
1955	1955-05-03	1955-10-06
1956	1956-04-27	1956-10-01
1957	1957-05-12	1957-09-03
1958	1958-04-23	1958-09-25
1959	1959-05-01	1959-09-27
1960	1960-04-22	1960-09-22
1961	1961-04-24	1961-09-23
1962	1962-05-05	1962-10-12
1963	1963-04-21	1963-10-20
1964	1964-05-16	1964-10-17
1965	1965-04-21	1965-09-19
1966	1966-05-07	1966-09-05
1967	1967-04-05	1967-10-04
1968	1968-05-02	1968-09-20
1969	1969-05-28	1969-10-04
1970	1970-04-27	1970-09-21
1971	1971-06-04	1971-10-02
1972	1972-04-06	1972-09-20
1973	1973-06-09	1973-10-03
1974	1974-05-13	1974-08-26
1975	1975-05-19	1975-10-13
1976	1976-04-23	1976-10-02
1977	1977-05-05	1977-09-18
1978	1978-05-24	1978-10-21
1979	1979-05-07	1979-10-08
1980	1980-04-21	1980-10-09
1981	1981-06-04	1981-10-05
1982	1982-05-11	1982-09-01
1991	1991-05-14	1991-09-15
1992	1992-06-16	1992-09-16
1993	1993-05-06	1993-09-22
1994	1994-04-14	1994-09-30
1995	1995-05-13	1995-10-13
1996	1996-04-19	1996-09-07
1997	1997-05-18	1997-09-19
1998	1998-05-13	1998-09-29
1999	1999-06-04	1999-10-15
2000	2000-05-08	2000-10-03
2001	2001-04-09	2001-09-08
2002	2002-06-01	2002-10-02
2003	2003-05-09	2003-09-11
2004	2004-04-17	2004-09-14
2005	2005-05-10	2005-09-22
2006	2006-04-13	2006-10-03
2007	2007-06-06	2007-10-07
2008	2008-05-25	2008-09-02
2009	2009-04-23	2009-08-27
2010	2010-04-01	2010-09-21
2011	2011-04-03	2011-09-13
2012	2012-04-01	2012-09-25
2013	2013-05-14	2013-09-19
2014	2014-05-04	2014-10-01
2015	2015-06-07	2015-09-18
2016	2016-06-09	2016-10-17
2017	2017-06-05	2017-10-14
2018	2018-05-09	2018-10-05
2019	2019-05-16	2019-10-02
2020	2020-04-08	2020-10-07
2021	2021-06-09	2021-09-28
2022	2022-05-09	2022-09-24
2023	2023-05-07	2023-10-01
2024	2024-05-19	2024-10-22
2025	2025-04-13	2025-10-03
2026	2026-03-20	2026-10-13

Every Fixed Threshold

Fixed thresholds at Vichy Rolla Natl AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	71	99	1953	80
35 C (95 F): Days	65	40	1953	22
40 C (104 F): Days	12	12	1980	1
45 C (113 F): Days	1	1	1954	1
90 F (32.2 C): Days	71	75	1953	47
100 F (37.8 C): Days	24	19	1980	2
110 F (43.3 C): Days	1	3	1954	3
0 C (32 F): Ice days (max	71	44	1978	16
0 C (32 F): Frost days (min	71	123	2013	48
-10 C (14 F): Days with min	71	43	1963	16
-20 C (-4 F): Days with min	41	7	1977	1
20 C (68 F): Tropical nights (min	71	76	1980	60
25 C (77 F): Days with min	25	21	1980	2
10 mm (0.39 in): Days with 10 mm or more rain	68	48	1951	36
25 mm (0.98 in): Days with 25 mm or more rain	68	21	1993	9
50 mm (1.97 in): Days with 50 mm or more rain	59	7	1993	3
100 mm (3.94 in): Days with 100 mm or more rain	8	2	2015	2
10 cm (3.9 in): Days with 10 cm or more snowfall	23	3	1973	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Vichy Rolla Natl AP 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Vichy Rolla Natl AP Threshold Days by Year (USW00013997)

Key Facts for Vichy Rolla Natl AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related