Sage 4 NNW Threshold Days by Year (USC00487955)

16 fixed thresholds counted per year at Sage 4 NNW (USC00487955): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sage 4 NNW Thresholds

Sage 4 NNW: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1962 with 290.
Sage 4 NNW: nights with a minimum temperature at or below -10 C (14 F) in 58 years, most in 1985 with 144.
Sage 4 NNW: nights with a minimum temperature at or below -20 C (-4 F) in 58 years, most in 1985 with 92.
Sage 4 NNW: days with a maximum temperature at or below 0 C (32 F) in 57 years, most in 1993 with 90.
16 fixed thresholds have at least one qualifying day at Sage 4 NNW.

Days at or above 30 C (86 F)

56 years with a qualifying day

Days per year at Sage 4 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1961.

Days at or above 30 C (86 F) per year at Sage 4 NNW
Year	Days	Decade average
1923	20	21.8
1924	36	21.8
1925	19	21.8
1926	23	21.8
1927	11	21.8
1930	14	38.1
1931	52	38.1
1932	40	38.1
1933	58	38.1
1934	41	38.1
1935	39	38.1
1937	55	38.1
1939	6	38.1
1940	55	35.8
1942	45	35.8
1945	26	35.8
1946	26	35.8
1947	27	35.8
1951	18	24.7
1952	19	24.7
1959	37	24.7
1960	39	27.4
1961	67	27.4
1962	17	27.4
1963	21	27.4
1964	31	27.4
1965	3	27.4
1966	23	27.4
1967	17	27.4
1968	21	27.4
1969	35	27.4
1970	28	21.6
1971	22	21.6
1972	13	21.6
1973	18	21.6
1979	27	21.6
1980	10	16.9
1981	31	16.9
1982	14	16.9
1983	15	16.9
1984	6	16.9
1985	21	16.9
1986	13	16.9
1987	7	16.9
1988	35	16.9
1989	17	16.9
1990	30	19.6
1991	20	19.6
1992	23	19.6
1994	35	19.6
1995	12	19.6
1996	20	19.6
1997	5	19.6
1998	14	19.6
1999	17	19.6
2000	49	49

For each year, a bar from the first to the last day at Sage 4 NNW meeting 30 C (86 F).

First to last qualifying date each year at Sage 4 NNW
Year	First date	Last date
1923	1923-06-11	1923-09-12
1924	1924-06-14	1924-09-04
1925	1925-06-23	1925-08-01
1926	1926-06-07	1926-08-26
1927	1927-06-23	1927-07-21
1930	1930-06-07	1930-08-21
1931	1931-06-08	1931-09-05
1932	1932-06-22	1932-09-07
1933	1933-05-30	1933-08-20
1934	1934-06-12	1934-08-27
1935	1935-06-12	1935-08-29
1937	1937-05-17	1937-09-19
1939	1939-06-28	1939-08-03
1940	1940-06-13	1940-09-01
1942	1942-07-03	1942-09-06
1945	1945-07-07	1945-09-01
1946	1946-07-08	1946-08-21
1947	1947-07-02	1947-09-06
1951	1951-07-03	1951-08-18
1952	1952-07-04	1952-08-18
1959	1959-06-06	1959-08-17
1960	1960-06-24	1960-08-30
1961	1961-06-10	1961-08-29
1962	1962-06-10	1962-09-02
1963	1963-07-01	1963-09-12
1964	1964-06-26	1964-09-06
1965	1965-07-11	1965-08-11
1966	1966-06-28	1966-08-16
1967	1967-07-13	1967-09-05
1968	1968-06-19	1968-08-08
1969	1969-06-05	1969-08-26
1970	1970-06-22	1970-08-28
1971	1971-06-23	1971-08-27
1972	1972-07-06	1972-08-12
1973	1973-06-09	1973-08-20
1979	1979-06-25	1979-09-09
1980	1980-07-22	1980-09-06
1981	1981-06-25	1981-08-29
1982	1982-07-12	1982-08-22
1983	1983-07-05	1983-08-10
1984	1984-06-29	1984-08-10
1985	1985-06-07	1985-08-29
1986	1986-06-19	1986-08-28
1987	1987-07-15	1987-09-02
1988	1988-06-04	1988-08-30
1989	1989-06-15	1989-07-31
1990	1990-06-22	1990-09-14
1991	1991-07-04	1991-08-31
1992	1992-06-22	1992-08-21
1994	1994-06-20	1994-08-26
1995	1995-07-28	1995-09-03
1996	1996-06-08	1996-08-31
1997	1997-07-15	1997-08-21
1998	1998-07-02	1998-09-04
1999	1999-06-20	1999-08-26
2000	2000-06-04	2000-09-15

Every Fixed Threshold

Fixed thresholds at Sage 4 NNW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	56	67	1961	49
35 C (95 F): Days	15	11	1931	5
40 C (104 F): Days	1	1	1931	1
90 F (32.2 C): Days	52	40	1931	26
100 F (37.8 C): Days	3	5	1931	1
0 C (32 F): Ice days (max	57	90	1993	57
0 C (32 F): Frost days (min	58	290	1962	249
-10 C (14 F): Days with min	58	144	1985	108
-20 C (-4 F): Days with min	58	92	1985	33
-30 C (-22 F): Days with min	53	23	1985	6
-40 C (-40 F): Days with min	13	4	1979	2
20 C (68 F): Tropical nights (min	2	1	1937	1
10 mm (0.39 in): Days with 10 mm or more rain	46	10	1947	7
25 mm (0.98 in): Days with 25 mm or more rain	15	3	1965	1
10 cm (3.9 in): Days with 10 cm or more snowfall	27	6	1971	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1972	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

Data for Sage 4 NNW 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).

Sage 4 NNW Threshold Days by Year (USC00487955)

Key Facts for Sage 4 NNW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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