Spencer 2 N Threshold Days by Year (USC00308088)

15 fixed thresholds counted per year at Spencer 2 N (USC00308088): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spencer 2 N Thresholds

Spencer 2 N: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 1949 with 54.
Spencer 2 N: days with a maximum temperature at or below 0 C (32 F) in 42 years, most in 1978 with 66.
Spencer 2 N: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 1976 with 196.
Spencer 2 N: nights with a minimum temperature at or below -10 C (14 F) in 42 years, most in 1976 with 73.
15 fixed thresholds have at least one qualifying day at Spencer 2 N.

Days at or above 30 C (86 F)

42 years with a qualifying day

Days per year at Spencer 2 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 1949.

Days at or above 30 C (86 F) per year at Spencer 2 N
Year	Days	Decade average
1946	18	32.7
1947	26	32.7
1949	54	32.7
1950	13	27.5
1951	19	27.5
1952	34	27.5
1953	35	27.5
1954	26	27.5
1955	52	27.5
1956	18	27.5
1957	25	27.5
1958	6	27.5
1959	47	27.5
1960	11	23.7
1961	20	23.7
1962	24	23.7
1963	21	23.7
1964	30	23.7
1965	30	23.7
1966	41	23.7
1967	13	23.7
1968	26	23.7
1969	21	23.7
1970	21	21.7
1971	31	21.7
1972	16	21.7
1973	31	21.7
1974	21	21.7
1975	25	21.7
1976	12	21.7
1977	18	21.7
1978	20	21.7
1979	22	21.7
1980	37	18.5
1981	12	18.5
1982	12	18.5
1983	38	18.5
1985	7	18.5
1986	5	18.5
1991	52	31
1992	10	31
1993	31	31

For each year, a bar from the first to the last day at Spencer 2 N meeting 30 C (86 F).

First to last qualifying date each year at Spencer 2 N
Year	First date	Last date
1946	1946-06-08	1946-09-19
1947	1947-05-29	1947-09-15
1949	1949-05-04	1949-10-11
1950	1950-06-07	1950-08-28
1951	1951-06-03	1951-10-05
1952	1952-06-15	1952-09-14
1953	1953-05-11	1953-09-30
1954	1954-06-01	1954-10-12
1955	1955-05-04	1955-09-19
1956	1956-05-14	1956-09-01
1957	1957-06-13	1957-09-03
1958	1958-06-30	1958-08-31
1959	1959-05-11	1959-09-23
1960	1960-04-23	1960-09-09
1961	1961-06-12	1961-09-25
1962	1962-04-26	1962-09-13
1963	1963-05-09	1963-10-07
1964	1964-05-23	1964-09-23
1965	1965-05-03	1965-09-22
1966	1966-06-04	1966-09-03
1967	1967-06-05	1967-07-10
1968	1968-06-06	1968-08-25
1969	1969-05-29	1969-09-01
1970	1970-06-02	1970-09-24
1971	1971-05-19	1971-09-11
1972	1972-06-15	1972-09-17
1973	1973-06-05	1973-09-05
1974	1974-04-28	1974-08-26
1975	1975-05-20	1975-08-26
1976	1976-04-17	1976-08-26
1977	1977-05-17	1977-09-01
1978	1978-05-26	1978-09-21
1979	1979-05-08	1979-08-30
1980	1980-05-23	1980-09-22
1981	1981-05-25	1981-08-10
1982	1982-05-07	1982-09-14
1983	1983-06-12	1983-09-20
1985	1985-07-06	1985-09-08
1986	1986-05-19	1986-07-08
1991	1991-04-09	1991-09-11
1992	1992-05-10	1992-09-17
1993	1993-05-12	1993-09-15

Every Fixed Threshold

Fixed thresholds at Spencer 2 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	42	54	1949	31
35 C (95 F): Days	14	6	1955	1
90 F (32.2 C): Days	38	31	1955	12
0 C (32 F): Ice days (max	42	66	1978	49
0 C (32 F): Frost days (min	42	196	1976	182
-10 C (14 F): Days with min	42	73	1976	62
-20 C (-4 F): Days with min	41	24	1961	13
-30 C (-22 F): Days with min	9	3	1957	2
20 C (68 F): Tropical nights (min	15	4	1955	2
10 mm (0.39 in): Days with 10 mm or more rain	40	43	1977	25
25 mm (0.98 in): Days with 25 mm or more rain	40	15	1976	3
50 mm (1.97 in): Days with 50 mm or more rain	21	3	1972	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1952	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	9	1958	7
25 cm (9.8 in): Days with 25 cm or more snowfall	11	3	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Spencer 2 N 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).

Spencer 2 N Threshold Days by Year (USC00308088)

Key Facts for Spencer 2 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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