Mansfield Lahm Rgnl AP Threshold Days by Year (USW00014891)

17 fixed thresholds counted per year at Mansfield Lahm Rgnl AP (USW00014891): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mansfield Lahm Rgnl AP Thresholds

Mansfield Lahm Rgnl AP: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 2016 with 58.
Mansfield Lahm Rgnl AP: days with a maximum temperature at or below 0 C (32 F) in 74 years, most in 1960 with 75.
Mansfield Lahm Rgnl AP: nights with a minimum temperature at or below 0 C (32 F) in 74 years, most in 1976 with 147.
Mansfield Lahm Rgnl AP: nights with a minimum temperature at or below -10 C (14 F) in 74 years, most in 1978 with 59.
17 fixed thresholds have at least one qualifying day at Mansfield Lahm Rgnl AP.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Mansfield Lahm Rgnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2016.

Days at or above 30 C (86 F) per year at Mansfield Lahm Rgnl AP
Year	Days	Decade average
1949	29	29
1950	6	27
1951	17	27
1952	40	27
1953	34	27
1954	22	27
1955	43	27
1960	13	22
1961	16	22
1962	23	22
1963	19	22
1964	31	22
1965	14	22
1966	17	22
1967	17	22
1968	36	22
1969	34	22
1970	48	21.9
1971	25	21.9
1972	19	21.9
1973	24	21.9
1974	22	21.9
1975	22	21.9
1976	5	21.9
1977	21	21.9
1978	31	21.9
1979	2	21.9
1980	16	21.2
1981	9	21.2
1982	5	21.2
1983	48	21.2
1984	20	21.2
1985	9	21.2
1986	16	21.2
1987	25	21.2
1988	48	21.2
1989	16	21.2
1990	11	22.2
1991	46	22.2
1992	4	22.2
1993	25	22.2
1994	16	22.2
1995	37	22.2
1996	18	22.2
1997	13	22.2
1998	20	22.2
1999	32	22.2
2000	4	21.1
2001	23	21.1
2002	46	21.1
2003	11	21.1
2004	6	21.1
2005	35	21.1
2006	22	21.1
2007	36	21.1
2008	22	21.1
2009	6	21.1
2010	40	34.7
2011	38	34.7
2012	49	34.7
2013	20	34.7
2014	14	34.7
2015	27	34.7
2016	58	34.7
2017	23	34.7
2018	41	34.7
2019	37	34.7
2020	53	33.3
2021	46	33.3
2022	23	33.3
2023	16	33.3
2024	39	33.3
2025	29	33.3
2026	27	33.3

For each year, a bar from the first to the last day at Mansfield Lahm Rgnl AP meeting 30 C (86 F).

First to last qualifying date each year at Mansfield Lahm Rgnl AP
Year	First date	Last date
1949	1949-06-18	1949-08-27
1950	1950-06-23	1950-08-28
1951	1951-06-02	1951-09-12
1952	1952-05-05	1952-09-13
1953	1953-05-30	1953-09-29
1954	1954-06-10	1954-09-06
1955	1955-06-05	1955-09-19
1960	1960-06-04	1960-09-08
1961	1961-06-12	1961-09-24
1962	1962-05-14	1962-08-30
1963	1963-05-09	1963-08-03
1964	1964-05-19	1964-09-10
1965	1965-06-22	1965-08-17
1966	1966-06-21	1966-07-26
1967	1967-05-27	1967-08-02
1968	1968-06-06	1968-09-23
1969	1969-05-28	1969-09-01
1970	1970-06-08	1970-09-24
1971	1971-06-05	1971-09-29
1972	1972-06-14	1972-09-17
1973	1973-06-05	1973-09-05
1974	1974-06-09	1974-08-27
1975	1975-06-22	1975-08-24
1976	1976-06-11	1976-07-15
1977	1977-05-28	1977-09-01
1978	1978-06-27	1978-09-21
1979	1979-07-31	1979-08-07
1980	1980-07-11	1980-09-13
1981	1981-06-15	1981-07-18
1982	1982-07-07	1982-08-07
1983	1983-06-12	1983-09-19
1984	1984-06-05	1984-09-13
1985	1985-07-08	1985-09-08
1986	1986-04-27	1986-09-29
1987	1987-05-28	1987-08-16
1988	1988-05-29	1988-08-17
1989	1989-06-23	1989-09-09
1990	1990-04-27	1990-09-06
1991	1991-05-12	1991-09-16
1992	1992-06-17	1992-08-10
1993	1993-06-18	1993-09-14
1994	1994-06-06	1994-09-14
1995	1995-06-17	1995-08-31
1996	1996-05-19	1996-08-23
1997	1997-06-20	1997-08-16
1998	1998-05-15	1998-09-26
1999	1999-06-06	1999-09-12
2000	2000-06-10	2000-08-15
2001	2001-06-12	2001-08-09
2002	2002-06-04	2002-09-14
2003	2003-06-24	2003-08-25
2004	2004-06-08	2004-08-28
2005	2005-06-05	2005-08-20
2006	2006-05-29	2006-08-26
2007	2007-05-15	2007-10-08
2008	2008-06-05	2008-09-14
2009	2009-06-24	2009-08-17
2010	2010-05-27	2010-09-24
2011	2011-05-12	2011-09-03
2012	2012-05-03	2012-09-03
2013	2013-05-21	2013-09-11
2014	2014-06-17	2014-09-05
2015	2015-05-07	2015-09-08
2016	2016-05-27	2016-09-23
2017	2017-05-16	2017-09-27
2018	2018-05-27	2018-10-09
2019	2019-05-25	2019-10-02
2020	2020-05-24	2020-09-09
2021	2021-05-20	2021-09-18
2022	2022-05-30	2022-09-21
2023	2023-05-29	2023-09-06
2024	2024-05-20	2024-09-22
2025	2025-06-21	2025-08-19
2026	2026-05-18	2026-09-09

Every Fixed Threshold

Fixed thresholds at Mansfield Lahm Rgnl AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	58	2016	27
35 C (95 F): Days	14	11	1988	1
90 F (32.2 C): Days	63	28	1988	7
100 F (37.8 C): Days	1	2	1988	2
0 C (32 F): Ice days (max	74	75	1960	34
0 C (32 F): Frost days (min	74	147	1976	72
-10 C (14 F): Days with min	74	59	1978	28
-20 C (-4 F): Days with min	50	14	1977	4
-30 C (-22 F): Days with min	2	1	1985	1
20 C (68 F): Tropical nights (min	74	44	2021	24
25 C (77 F): Days with min	4	2	1977	2
10 mm (0.39 in): Days with 10 mm or more rain	74	52	1990	35
25 mm (0.98 in): Days with 25 mm or more rain	74	23	1990	6
50 mm (1.97 in): Days with 50 mm or more rain	46	6	1990	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2007	1
10 cm (3.9 in): Days with 10 cm or more snowfall	61	7	2007	1
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	2010	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

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Data for Mansfield Lahm Rgnl 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).

Mansfield Lahm Rgnl AP Threshold Days by Year (USW00014891)

Key Facts for Mansfield Lahm Rgnl AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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