Lambertville Threshold Days by Year

19 fixed thresholds counted per year at Lambertville (USC00284635): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lambertville Thresholds

Lambertville: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1983 with 53.
Lambertville: days with 25 mm (0.98 in) or more of precipitation in 90 years, most in 1996 with 27.
Lambertville: days with 50 mm (1.97 in) or more of precipitation in 79 years, most in 1996 with 6.
Lambertville: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1959 with 81.
19 fixed thresholds have at least one qualifying day at Lambertville.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Lambertville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1959.

Days at or above 30 C (86 F) per year at Lambertville
Year	Days	Decade average
1931	46	40
1932	43	40
1933	36	40
1934	34	40
1935	32	40
1936	49	40
1942	44	45
1943	60	45
1944	63	45
1945	44	45
1946	22	45
1947	27	45
1948	37	45
1949	63	45
1950	42	59.9
1951	58	59.9
1952	58	59.9
1953	67	59.9
1954	58	59.9
1955	64	59.9
1956	47	59.9
1957	76	59.9
1958	48	59.9
1959	81	59.9
1960	45	58
1961	60	58
1962	56	58
1963	53	58
1964	68	58
1965	67	58
1966	71	58
1967	42	58
1968	62	58
1969	56	58
1970	63	55.9
1971	62	55.9
1972	46	55.9
1973	64	55.9
1974	53	55.9
1975	57	55.9
1976	60	55.9
1977	65	55.9
1978	45	55.9
1979	44	55.9
1980	78	60.2
1981	46	60.2
1982	43	60.2
1983	80	60.2
1984	57	60.2
1985	54	60.2
1986	63	60.2
1987	66	60.2
1988	65	60.2
1989	50	60.2
1990	56	62.3
1991	81	62.3
1992	32	62.3
1993	72	62.3
1994	62	62.3
1995	71	62.3
1996	59	62.3
1997	48	62.3
1998	78	62.3
1999	64	62.3
2000	49	55
2001	61	55

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

First to last qualifying date each year at Lambertville
Year	First date	Last date
1931	1931-05-28	1931-10-06
1932	1932-05-16	1932-09-23
1933	1933-05-27	1933-09-27
1934	1934-05-06	1934-08-24
1935	1935-05-28	1935-08-22
1936	1936-05-08	1936-09-12
1942	1942-04-26	1942-09-17
1943	1943-05-07	1943-09-08
1944	1944-05-04	1944-09-05
1945	1945-03-29	1945-09-29
1946	1946-05-25	1946-10-07
1947	1947-05-13	1947-10-21
1948	1948-05-10	1948-09-29
1949	1949-05-04	1949-10-11
1950	1950-06-07	1950-10-01
1951	1951-05-16	1951-10-05
1952	1952-06-04	1952-09-18
1953	1953-05-10	1953-09-30
1954	1954-05-29	1954-10-13
1955	1955-05-05	1955-08-30
1956	1956-05-13	1956-09-23
1957	1957-04-27	1957-09-22
1958	1958-05-31	1958-09-26
1959	1959-05-07	1959-10-06
1960	1960-04-14	1960-09-09
1961	1961-06-02	1961-09-25
1962	1962-04-27	1962-09-13
1963	1963-05-05	1963-10-27
1964	1964-05-08	1964-09-23
1965	1965-05-03	1965-09-23
1966	1966-05-06	1966-09-03
1967	1967-06-02	1967-10-05
1968	1968-06-06	1968-10-02
1969	1969-04-27	1969-09-17
1970	1970-04-29	1970-09-27
1971	1971-05-19	1971-09-16
1972	1972-05-24	1972-09-26
1973	1973-04-22	1973-09-06
1974	1974-04-29	1974-09-13
1975	1975-05-20	1975-10-14
1976	1976-04-17	1976-09-14
1977	1977-04-12	1977-09-19
1978	1978-05-20	1978-09-07
1979	1979-05-08	1979-10-22
1980	1980-05-05	1980-09-23
1981	1981-05-24	1981-09-14
1982	1982-05-16	1982-09-13
1983	1983-04-28	1983-09-21
1984	1984-05-22	1984-09-25
1985	1985-04-19	1985-09-20
1986	1986-05-06	1986-10-01
1987	1987-05-10	1987-08-21
1988	1988-05-23	1988-09-23
1989	1989-05-18	1989-09-11
1990	1990-04-26	1990-10-06
1991	1991-04-08	1991-09-18
1992	1992-05-22	1992-09-18
1993	1993-05-11	1993-09-16
1994	1994-04-16	1994-09-18
1995	1995-05-25	1995-10-03
1996	1996-05-20	1996-09-11
1997	1997-05-20	1997-10-07
1998	1998-03-31	1998-09-28
1999	1999-05-30	1999-09-07
2000	2000-05-06	2000-09-21
2001	2001-04-24	2001-09-14

Every Fixed Threshold

Fixed thresholds at Lambertville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	81	1959	61
35 C (95 F): Days	57	25	1999	4
40 C (104 F): Days	2	2	1936	1
90 F (32.2 C): Days	66	53	1983	22
100 F (37.8 C): Days	15	9	1999	1
0 C (32 F): Ice days (max	65	36	1934	3
0 C (32 F): Frost days (min	65	155	1994	117
-10 C (14 F): Days with min	65	37	1994	12
-20 C (-4 F): Days with min	24	7	1961	2
20 C (68 F): Tropical nights (min	65	43	1949	9
25 C (77 F): Days with min	3	1	1933	1
10 mm (0.39 in): Days with 10 mm or more rain	90	53	1983	28
25 mm (0.98 in): Days with 25 mm or more rain	90	27	1996	13
50 mm (1.97 in): Days with 50 mm or more rain	79	6	1996	2
100 mm (3.94 in): Days with 100 mm or more rain	14	2	2011	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2021	1
10 cm (3.9 in): Days with 10 cm or more snowfall	57	7	1966	2
25 cm (9.8 in): Days with 25 cm or more snowfall	14	2	1947	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1996	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

Data for Lambertville 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Lambertville Threshold Days by Year

Key Facts for Lambertville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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