Stanley 3 NNW Threshold Days by Year

18 fixed thresholds counted per year at Stanley 3 NNW (USC00328276): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stanley 3 NNW Thresholds

Stanley 3 NNW: days with a maximum temperature at or above 30 C (86 F) in 76 years, most in 1961 with 56.
Stanley 3 NNW: days with a maximum temperature at or above 90 F (32.2 C) in 76 years, most in 1961 with 39.
Stanley 3 NNW: days with a maximum temperature at or below 0 C (32 F) in 76 years, most in 2013 with 134.
Stanley 3 NNW: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1941 with 25.
18 fixed thresholds have at least one qualifying day at Stanley 3 NNW.

Days at or above 30 C (86 F)

76 years with a qualifying day

Days per year at Stanley 3 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 56 in 1961.

Days at or above 30 C (86 F) per year at Stanley 3 NNW
Year	Days	Decade average
1938	24	31
1939	38	31
1940	35	22.9
1941	19	22.9
1942	18	22.9
1943	11	22.9
1944	11	22.9
1945	24	22.9
1946	21	22.9
1947	30	22.9
1948	26	22.9
1949	34	22.9
1950	16	22.6
1951	18	22.6
1952	23	22.6
1953	14	22.6
1954	19	22.6
1955	31	22.6
1956	15	22.6
1957	30	22.6
1958	29	22.6
1959	31	22.6
1960	38	27.9
1961	56	27.9
1962	12	27.9
1963	28	27.9
1964	26	27.9
1965	12	27.9
1966	27	27.9
1967	36	27.9
1968	14	27.9
1969	30	27.9
1970	42	21.4
1971	21	21.4
1972	14	21.4
1973	20	21.4
1974	21	21.4
1975	17	21.4
1976	22	21.4
1977	14	21.4
1981	26	26.4
1982	18	26.4
1983	35	26.4
1984	30	26.4
1985	14	26.4
1986	10	26.4
1987	23	26.4
1988	48	26.4
1989	34	26.4
1990	30	21.5
1991	26	21.5
1992	21	21.5
1993	5	21.5
1994	19	21.5
1995	26	21.5
1996	19	21.5
1997	31	21.5
1998	26	21.5
1999	12	21.5
2000	18	23.4
2001	26	23.4
2002	20	23.4
2003	34	23.4
2004	10	23.4
2005	25	23.4
2006	38	23.4
2007	31	23.4
2008	17	23.4
2009	15	23.4
2010	21	20.4
2011	20	20.4
2012	33	20.4
2013	20	20.4
2014	13	20.4
2015	17	20.4
2016	19	20.4

For each year, a bar from the first to the last day at Stanley 3 NNW meeting 30 C (86 F).

First to last qualifying date each year at Stanley 3 NNW
Year	First date	Last date
1938	1938-06-17	1938-09-25
1939	1939-04-30	1939-09-18
1940	1940-05-11	1940-09-18
1941	1941-05-25	1941-09-18
1942	1942-07-10	1942-09-10
1943	1943-07-07	1943-09-26
1944	1944-05-29	1944-08-09
1945	1945-06-21	1945-09-06
1946	1946-06-11	1946-09-16
1947	1947-07-02	1947-09-07
1948	1948-05-18	1948-09-19
1949	1949-04-29	1949-09-24
1950	1950-06-14	1950-09-06
1951	1951-05-23	1951-08-23
1952	1952-04-26	1952-09-26
1953	1953-06-12	1953-10-01
1954	1954-06-23	1954-08-31
1955	1955-05-13	1955-09-02
1956	1956-05-21	1956-09-26
1957	1957-07-01	1957-10-02
1958	1958-05-11	1958-09-12
1959	1959-06-03	1959-09-08
1960	1960-05-12	1960-09-20
1961	1961-05-30	1961-08-31
1962	1962-04-24	1962-08-25
1963	1963-06-28	1963-10-04
1964	1964-05-20	1964-09-17
1965	1965-07-17	1965-08-13
1966	1966-06-20	1966-09-08
1967	1967-06-27	1967-09-06
1968	1968-06-02	1968-09-15
1969	1969-05-26	1969-09-13
1970	1970-05-17	1970-09-05
1971	1971-07-03	1971-09-11
1972	1972-05-17	1972-09-20
1973	1973-06-15	1973-09-01
1974	1974-06-20	1974-08-08
1975	1975-06-25	1975-08-28
1976	1976-06-05	1976-09-18
1977	1977-05-11	1977-08-25
1981	1981-07-01	1981-09-19
1982	1982-06-23	1982-09-11
1983	1983-06-11	1983-09-02
1984	1984-05-17	1984-08-28
1985	1985-05-04	1985-08-09
1986	1986-05-31	1986-08-31
1987	1987-04-29	1987-09-15
1988	1988-05-28	1988-08-31
1989	1989-06-07	1989-10-01
1990	1990-04-22	1990-09-12
1991	1991-05-22	1991-09-08
1992	1992-05-08	1992-10-02
1993	1993-05-14	1993-08-12
1994	1994-05-18	1994-09-10
1995	1995-06-01	1995-09-04
1996	1996-06-09	1996-09-01
1997	1997-06-01	1997-10-03
1998	1998-06-26	1998-09-17
1999	1999-05-29	1999-09-07
2000	2000-06-08	2000-09-18
2001	2001-04-29	2001-09-06
2002	2002-06-01	2002-09-18
2003	2003-05-30	2003-09-09
2004	2004-06-07	2004-09-19
2005	2005-06-13	2005-09-11
2006	2006-05-19	2006-09-14
2007	2007-05-10	2007-09-17
2008	2008-07-01	2008-08-31
2009	2009-06-26	2009-09-20
2010	2010-07-01	2010-08-28
2011	2011-06-30	2011-10-03
2012	2012-04-25	2012-09-30
2013	2013-05-14	2013-09-18
2014	2014-05-24	2014-09-27
2015	2015-06-30	2015-09-04
2016	2016-05-06	2016-09-02

Every Fixed Threshold

Fixed thresholds at Stanley 3 NNW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	76	56	1961	19
35 C (95 F): Days	62	21	1988	3
40 C (104 F): Days	6	1	1949	1
90 F (32.2 C): Days	76	39	1961	9
100 F (37.8 C): Days	27	5	1988	2
110 F (43.3 C): Days	1	1	1949	1
0 C (32 F): Ice days (max	76	134	2013	71
0 C (32 F): Frost days (min	74	229	1945	175
-10 C (14 F): Days with min	74	139	2013	57
-20 C (-4 F): Days with min	74	84	1950	22
-30 C (-22 F): Days with min	71	30	1950	3
-40 C (-40 F): Days with min	4	4	1996	4
20 C (68 F): Tropical nights (min	16	3	1958	2
10 mm (0.39 in): Days with 10 mm or more rain	75	25	1941	15
25 mm (0.98 in): Days with 25 mm or more rain	65	9	1971	3
50 mm (1.97 in): Days with 50 mm or more rain	19	2	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	55	10	1950	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

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Data for Stanley 3 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).

Stanley 3 NNW Threshold Days by Year

Key Facts for Stanley 3 NNW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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