Cook 18 W Threshold Days by Year (USC00211776)

15 fixed thresholds counted per year at Cook 18 W (USC00211776): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cook 18 W Thresholds

Cook 18 W: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 1961 with 24.
Cook 18 W: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1972 with 121.
Cook 18 W: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1966 with 228.
Cook 18 W: nights with a minimum temperature at or below -10 C (14 F) in 28 years, most in 1965 with 120.
15 fixed thresholds have at least one qualifying day at Cook 18 W.

Days at or above 30 C (86 F)

28 years with a qualifying day

Days per year at Cook 18 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1961.

Days at or above 30 C (86 F) per year at Cook 18 W
Year	Days	Decade average
1961	24	10.6
1962	2	10.6
1963	13	10.6
1964	18	10.6
1965	5	10.6
1966	17	10.6
1967	7	10.6
1968	1	10.6
1969	8	10.6
1970	23	11.6
1971	7	11.6
1972	6	11.6
1973	6	11.6
1974	12	11.6
1975	15	11.6
1976	18	11.6
1977	12	11.6
1978	12	11.6
1979	5	11.6
1980	23	12
1981	4	12
1982	6	12
1983	21	12
1986	7	12
1987	10	12
1989	13	12
1992	4	5
1993	6	5

For each year, a bar from the first to the last day at Cook 18 W meeting 30 C (86 F).

First to last qualifying date each year at Cook 18 W
Year	First date	Last date
1961	1961-06-04	1961-09-02
1962	1962-06-28	1962-08-27
1963	1963-06-24	1963-10-05
1964	1964-05-21	1964-08-05
1965	1965-07-22	1965-08-13
1966	1966-06-20	1966-08-27
1967	1967-07-10	1967-08-16
1968	1968-08-06	1968-08-06
1969	1969-05-27	1969-08-29
1970	1970-06-06	1970-09-05
1971	1971-06-27	1971-09-03
1972	1972-05-17	1972-08-16
1973	1973-07-06	1973-08-28
1974	1974-07-02	1974-07-19
1975	1975-07-04	1975-08-25
1976	1976-06-06	1976-09-11
1977	1977-04-10	1977-07-21
1978	1978-05-26	1978-09-07
1979	1979-07-09	1979-07-21
1980	1980-04-21	1980-07-31
1981	1981-07-05	1981-07-08
1982	1982-07-05	1982-09-04
1983	1983-06-25	1983-09-03
1986	1986-05-27	1986-07-18
1987	1987-06-13	1987-08-02
1989	1989-06-20	1989-08-04
1992	1992-05-20	1992-08-08
1993	1993-06-21	1993-08-26

Every Fixed Threshold

Fixed thresholds at Cook 18 W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	28	24	1961	6
35 C (95 F): Days	4	3	1976	1
90 F (32.2 C): Days	22	8	1961	4
0 C (32 F): Ice days (max	28	121	1972	97
0 C (32 F): Frost days (min	28	228	1966	193
-10 C (14 F): Days with min	28	120	1965	88
-20 C (-4 F): Days with min	28	68	1966	39
-30 C (-22 F): Days with min	28	32	1963	10
-40 C (-40 F): Days with min	14	7	1966	2
20 C (68 F): Tropical nights (min	17	5	1975	1
10 mm (0.39 in): Days with 10 mm or more rain	27	30	1965	24
25 mm (0.98 in): Days with 25 mm or more rain	27	10	1972	6
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1966	1
10 cm (3.9 in): Days with 10 cm or more snowfall	18	8	1972	8
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	1975	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

Data for Cook 18 W 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).

Cook 18 W Threshold Days by Year (USC00211776)

Key Facts for Cook 18 W Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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