Drummond Aviation Threshold Days by Year (USW00024139)

15 fixed thresholds counted per year at Drummond Aviation (USW00024139): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Drummond Aviation Thresholds

Drummond Aviation: nights with a minimum temperature at or below 0 C (32 F) in 64 years, most in 1962 with 258.
Drummond Aviation: nights with a minimum temperature at or below -10 C (14 F) in 64 years, most in 1955 with 111.
Drummond Aviation: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1975 with 16.
Drummond Aviation: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 2006 with 67.
15 fixed thresholds have at least one qualifying day at Drummond Aviation.

Days at or above 30 C (86 F)

63 years with a qualifying day

Days per year at Drummond Aviation with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 2006.

Days at or above 30 C (86 F) per year at Drummond Aviation
Year	Days	Decade average
1949	14	14
1950	19	20.2
1951	20	20.2
1952	17	20.2
1953	24	20.2
1954	18	20.2
1955	25	20.2
1956	17	20.2
1957	23	20.2
1958	18	20.2
1959	21	20.2
1960	26	32.5
1961	38	32.5
1962	9	32.5
1963	33	32.5
1964	29	32.5
1965	24	32.5
1966	41	32.5
1967	51	32.5
1968	30	32.5
1969	44	32.5
1970	53	37.8
1971	46	37.8
1972	33	37.8
1973	45	37.8
1974	35	37.8
1975	27	37.8
1976	31	37.8
1977	27	37.8
1978	30	37.8
1979	51	37.8
1980	12	36.5
1981	46	36.5
1982	35	36.5
1983	34	36.5
1984	44	36.5
1985	35	36.5
1986	40	36.5
1987	31	36.5
1988	57	36.5
1989	31	36.5
1990	54	38.9
1992	37	38.9
1993	10	38.9
1994	54	38.9
1995	25	38.9
1996	44	38.9
1998	48	38.9
1999	39	38.9
2000	40	46.6
2001	55	46.6
2002	27	46.6
2003	60	46.6
2004	32	46.6
2005	43	46.6
2006	67	46.6
2007	55	46.6
2008	36	46.6
2009	51	46.6
2010	34	37.5
2011	41	37.5
2025	47	42
2026	37	42

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

First to last qualifying date each year at Drummond Aviation
Year	First date	Last date
1949	1949-06-10	1949-08-22
1950	1950-06-30	1950-09-04
1951	1951-07-13	1951-08-21
1952	1952-07-04	1952-09-03
1953	1953-06-11	1953-09-12
1954	1954-05-18	1954-08-30
1955	1955-06-20	1955-09-07
1956	1956-05-31	1956-08-23
1957	1957-06-03	1957-08-21
1958	1958-05-27	1958-09-08
1959	1959-06-12	1959-09-11
1960	1960-07-06	1960-08-21
1961	1961-06-15	1961-08-28
1962	1962-06-24	1962-08-15
1963	1963-06-18	1963-09-27
1964	1964-06-25	1964-08-18
1965	1965-06-10	1965-08-12
1966	1966-05-05	1966-09-23
1967	1967-07-02	1967-09-28
1968	1968-07-02	1968-09-11
1969	1969-06-04	1969-09-10
1970	1970-06-02	1970-08-31
1971	1971-06-21	1971-09-11
1972	1972-05-30	1972-08-29
1973	1973-06-21	1973-09-11
1974	1974-06-13	1974-08-18
1975	1975-07-02	1975-08-27
1976	1976-06-28	1976-09-06
1977	1977-06-05	1977-08-21
1978	1978-06-28	1978-09-26
1979	1979-05-23	1979-09-08
1980	1980-05-21	1980-09-06
1981	1981-06-25	1981-09-19
1982	1982-06-19	1982-09-09
1983	1983-05-28	1983-09-01
1984	1984-05-29	1984-09-18
1985	1985-06-18	1985-08-30
1986	1986-05-25	1986-08-29
1987	1987-05-07	1987-09-13
1988	1988-05-16	1988-09-06
1989	1989-06-08	1989-08-14
1990	1990-06-09	1990-09-15
1992	1992-05-05	1992-08-20
1993	1993-05-11	1993-08-10
1994	1994-05-26	1994-09-25
1995	1995-06-26	1995-09-04
1996	1996-06-07	1996-09-10
1998	1998-07-09	1998-09-14
1999	1999-05-24	1999-08-30
2000	2000-06-07	2000-09-16
2001	2001-05-12	2001-09-24
2002	2002-05-19	2002-09-15
2003	2003-05-24	2003-09-07
2004	2004-06-23	2004-08-31
2005	2005-06-20	2005-09-08
2006	2006-05-14	2006-09-12
2007	2007-06-02	2007-09-04
2008	2008-05-17	2008-08-29
2009	2009-05-18	2009-09-25
2010	2010-06-28	2010-09-28
2011	2011-07-04	2011-09-25
2025	2025-05-29	2025-09-29
2026	2026-05-28	2026-08-26

Every Fixed Threshold

Fixed thresholds at Drummond Aviation
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	63	67	2006	37
35 C (95 F): Days	51	22	2003	8
40 C (104 F): Days	1	3	2002	3
90 F (32.2 C): Days	62	46	2006	24
100 F (37.8 C): Days	12	5	2003	5
0 C (32 F): Ice days (max	63	88	1955	10
0 C (32 F): Frost days (min	64	258	1962	131
-10 C (14 F): Days with min	64	111	1955	22
-20 C (-4 F): Days with min	63	37	1949	16
-30 C (-22 F): Days with min	45	18	1949	3
-40 C (-40 F): Days with min	7	4	1962	1
10 mm (0.39 in): Days with 10 mm or more rain	64	16	1975	10
25 mm (0.98 in): Days with 25 mm or more rain	24	2	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	46	6	1975	5
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1955	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.

Download the Data

Data for Drummond Aviation 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).

Drummond Aviation Threshold Days by Year (USW00024139)

Key Facts for Drummond Aviation Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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