Caohekou Threshold Days by Year (CHM00054483)

14 fixed thresholds counted per year at Caohekou (CHM00054483): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Caohekou Thresholds

Caohekou: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1955 with 31.
Caohekou: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1956 with 112.
Caohekou: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1988 with 181.
Caohekou: nights with a minimum temperature at or below -10 C (14 F) in 38 years, most in 1956 with 107.
14 fixed thresholds have at least one qualifying day at Caohekou.

Days at or above 30 C (86 F)

38 years with a qualifying day

Days per year at Caohekou with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 1955.

Days at or above 30 C (86 F) per year at Caohekou
Year	Days	Decade average
1953	7	12.1
1954	4	12.1
1955	31	12.1
1956	6	12.1
1957	2	12.1
1958	20	12.1
1959	15	12.1
1960	1	11.1
1961	19	11.1
1962	15	11.1
1963	13	11.1
1964	10	11.1
1965	14	11.1
1966	10	11.1
1967	17	11.1
1968	9	11.1
1969	3	11.1
1970	10	9.7
1971	4	9.7
1972	16	9.7
1973	13	9.7
1974	11	9.7
1975	9	9.7
1976	3	9.7
1977	9	9.7
1978	11	9.7
1979	11	9.7
1980	5	8.3
1981	7	8.3
1982	12	8.3
1983	11	8.3
1984	9	8.3
1985	1	8.3
1986	4	8.3
1987	2	8.3
1988	18	8.3
1989	14	8.3
1990	6	6

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

First to last qualifying date each year at Caohekou
Year	First date	Last date
1953	1953-07-07	1953-08-15
1954	1954-07-13	1954-08-12
1955	1955-06-08	1955-08-26
1956	1956-07-16	1956-08-03
1957	1957-06-13	1957-06-27
1958	1958-06-22	1958-08-06
1959	1959-05-28	1959-08-24
1960	1960-07-25	1960-07-25
1961	1961-06-17	1961-08-17
1962	1962-05-30	1962-08-10
1963	1963-07-05	1963-08-25
1964	1964-06-25	1964-09-02
1965	1965-05-27	1965-07-31
1966	1966-07-17	1966-08-25
1967	1967-05-18	1967-08-27
1968	1968-07-27	1968-08-17
1969	1969-08-03	1969-08-09
1970	1970-06-13	1970-08-30
1971	1971-07-17	1971-08-21
1972	1972-06-07	1972-08-03
1973	1973-07-07	1973-08-17
1974	1974-07-07	1974-08-25
1975	1975-06-22	1975-08-21
1976	1976-07-06	1976-08-05
1977	1977-07-04	1977-09-01
1978	1978-06-27	1978-08-26
1979	1979-05-27	1979-08-14
1980	1980-05-30	1980-08-02
1981	1981-07-05	1981-08-19
1982	1982-07-05	1982-08-15
1983	1983-06-02	1983-08-15
1984	1984-07-19	1984-08-27
1985	1985-08-10	1985-08-10
1986	1986-06-07	1986-06-25
1987	1987-07-30	1987-07-31
1988	1988-06-25	1988-08-15
1989	1989-05-30	1989-08-16
1990	1990-07-12	1990-08-08

Every Fixed Threshold

Fixed thresholds at Caohekou
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	38	31	1955	6
35 C (95 F): Days	2	3	1958	1
90 F (32.2 C): Days	24	8	1958	1
0 C (32 F): Ice days (max	38	112	1956	53
0 C (32 F): Frost days (min	38	181	1988	151
-10 C (14 F): Days with min	38	107	1956	60
-20 C (-4 F): Days with min	38	40	1956	14
-30 C (-22 F): Days with min	5	2	1959	1
20 C (68 F): Tropical nights (min	37	39	1973	26
25 C (77 F): Days with min	1	1	1967	1
10 mm (0.39 in): Days with 10 mm or more rain	38	43	1964	33
25 mm (0.98 in): Days with 25 mm or more rain	38	18	1964	8
50 mm (1.97 in): Days with 50 mm or more rain	37	6	1953	4
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1953	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

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Data for Caohekou 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).

Caohekou Threshold Days by Year (CHM00054483)

Key Facts for Caohekou Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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