Massena Intl AP Threshold Days by Year (USW00094725)

18 fixed thresholds counted per year at Massena Intl AP (USW00094725): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Massena Intl AP Thresholds

Massena Intl AP: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1955 with 94.
Massena Intl AP: nights with a minimum temperature at or below 0 C (32 F) in 78 years, most in 1974 with 189.
Massena Intl AP: nights with a minimum temperature at or below -10 C (14 F) in 78 years, most in 1989 with 96.
Massena Intl AP: nights with a minimum temperature at or below -20 C (-4 F) in 78 years, most in 1968 with 42.
18 fixed thresholds have at least one qualifying day at Massena Intl AP.

Days at or above 30 C (86 F)

77 years with a qualifying day

Days per year at Massena Intl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1955.

Days at or above 30 C (86 F) per year at Massena Intl AP
Year	Days	Decade average
1949	40	40
1950	16	18.4
1951	12	18.4
1952	24	18.4
1953	20	18.4
1954	5	18.4
1955	46	18.4
1956	8	18.4
1957	18	18.4
1958	8	18.4
1959	27	18.4
1960	15	11.2
1961	10	11.2
1962	6	11.2
1963	20	11.2
1964	16	11.2
1965	8	11.2
1966	15	11.2
1967	1	11.2
1968	7	11.2
1969	14	11.2
1970	21	21.2
1971	17	21.2
1972	16	21.2
1973	34	21.2
1974	14	21.2
1975	39	21.2
1976	10	21.2
1977	14	21.2
1978	27	21.2
1979	20	21.2
1980	15	16.8
1981	10	16.8
1982	13	16.8
1983	25	16.8
1984	21	16.8
1985	11	16.8
1986	5	16.8
1987	19	16.8
1988	26	16.8
1989	23	16.8
1990	16	20.3
1991	28	20.3
1992	6	20.3
1993	24	20.3
1994	25	20.3
1995	30	20.3
1996	11	20.3
1997	20	20.3
1998	17	20.3
1999	26	20.3
2001	20	13.1
2002	18	13.1
2003	8	13.1
2004	4	13.1
2005	27	13.1
2006	12	13.1
2007	16	13.1
2008	7	13.1
2009	6	13.1
2010	20	19.7
2011	26	19.7
2012	26	19.7
2013	11	19.7
2014	7	19.7
2015	17	19.7
2016	27	19.7
2017	10	19.7
2018	31	19.7
2019	22	19.7
2020	34	18.4
2021	15	18.4
2022	14	18.4
2023	13	18.4
2024	15	18.4
2025	26	18.4
2026	12	18.4

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

First to last qualifying date each year at Massena Intl AP
Year	First date	Last date
1949	1949-06-03	1949-08-27
1950	1950-05-27	1950-08-25
1951	1951-06-18	1951-09-13
1952	1952-06-14	1952-09-13
1953	1953-06-17	1953-09-04
1954	1954-06-10	1954-08-25
1955	1955-05-22	1955-09-19
1956	1956-06-12	1956-09-05
1957	1957-06-15	1957-08-09
1958	1958-07-02	1958-08-31
1959	1959-06-09	1959-09-10
1960	1960-05-07	1960-09-09
1961	1961-05-15	1961-09-11
1962	1962-05-17	1962-08-31
1963	1963-06-04	1963-08-03
1964	1964-05-23	1964-08-30
1965	1965-06-07	1965-09-22
1966	1966-05-24	1966-08-09
1967	1967-06-03	1967-06-03
1968	1968-07-01	1968-07-22
1969	1969-06-12	1969-08-31
1970	1970-05-01	1970-08-16
1971	1971-05-18	1971-08-19
1972	1972-06-15	1972-09-02
1973	1973-06-05	1973-09-05
1974	1974-05-22	1974-08-23
1975	1975-05-20	1975-08-26
1976	1976-06-10	1976-08-22
1977	1977-05-21	1977-09-01
1978	1978-05-25	1978-08-19
1979	1979-05-08	1979-08-04
1980	1980-06-24	1980-08-24
1981	1981-06-16	1981-07-31
1982	1982-05-07	1982-09-13
1983	1983-06-12	1983-09-20
1984	1984-05-22	1984-08-10
1985	1985-06-22	1985-08-18
1986	1986-07-06	1986-08-17
1987	1987-05-28	1987-08-17
1988	1988-06-13	1988-08-14
1989	1989-05-18	1989-09-09
1990	1990-04-27	1990-08-28
1991	1991-05-16	1991-09-16
1992	1992-05-12	1992-08-26
1993	1993-05-09	1993-09-14
1994	1994-05-22	1994-08-28
1995	1995-06-06	1995-08-21
1996	1996-05-19	1996-09-05
1997	1997-06-08	1997-08-10
1998	1998-05-15	1998-08-28
1999	1999-05-18	1999-09-05
2001	2001-05-03	2001-09-09
2002	2002-07-01	2002-09-10
2003	2003-06-23	2003-07-15
2004	2004-05-14	2004-07-30
2005	2005-06-06	2005-08-27
2006	2006-05-31	2006-08-18
2007	2007-05-24	2007-09-25
2008	2008-06-07	2008-09-05
2009	2009-04-27	2009-08-17
2010	2010-05-25	2010-09-24
2011	2011-05-31	2011-09-03
2012	2012-04-16	2012-09-03
2013	2013-05-31	2013-09-11
2014	2014-05-15	2014-09-05
2015	2015-05-08	2015-09-07
2016	2016-05-27	2016-09-07
2017	2017-06-12	2017-09-27
2018	2018-05-30	2018-09-17
2019	2019-06-09	2019-08-06
2020	2020-05-26	2020-08-13
2021	2021-05-20	2021-08-26
2022	2022-05-12	2022-08-29
2023	2023-05-31	2023-10-04
2024	2024-05-22	2024-08-16
2025	2025-06-04	2025-10-05
2026	2026-05-18	2026-08-06

Every Fixed Threshold

Fixed thresholds at Massena Intl AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	77	46	1955	12
35 C (95 F): Days	17	6	1949	2
90 F (32.2 C): Days	67	22	1949	2
100 F (37.8 C): Days	1	1	1975	1
0 C (32 F): Ice days (max	78	94	1955	51
0 C (32 F): Frost days (min	78	189	1974	102
-10 C (14 F): Days with min	78	96	1989	50
-20 C (-4 F): Days with min	78	42	1968	18
-30 C (-22 F): Days with min	51	10	2003	1
-40 C (-40 F): Days with min	1	2	1957	2
20 C (68 F): Tropical nights (min	71	18	1973	4
25 C (77 F): Days with min	1	1	1977	1
10 mm (0.39 in): Days with 10 mm or more rain	78	42	1993	22
25 mm (0.98 in): Days with 25 mm or more rain	77	9	1989	5
50 mm (1.97 in): Days with 50 mm or more rain	32	3	2005	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1979	1
10 cm (3.9 in): Days with 10 cm or more snowfall	48	9	1960	4
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	1966	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 Massena Intl 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).

Massena Intl AP Threshold Days by Year (USW00094725)

Key Facts for Massena Intl AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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