Alindao Threshold Days by Year (CT000004662)

11 fixed thresholds counted per year at Alindao (CT000004662): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alindao Thresholds

Alindao: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1977 with 319.
Alindao: days with a maximum temperature at or above 35 C (95 F) in 21 years, most in 1971 with 93.
Alindao: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 1980 with 220.
Alindao: nights with a minimum temperature at or above 20 C (68 F) in 21 years, most in 1958 with 245.
11 fixed thresholds have at least one qualifying day at Alindao.

Days at or above 30 C (86 F)

21 years with a qualifying day

Days per year at Alindao with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 319 in 1977.

Days at or above 30 C (86 F) per year at Alindao
Year	Days	Decade average
1958	305	305
1960	298	290.8
1961	305	290.8
1962	283	290.8
1963	304	290.8
1964	263	290.8
1965	279	290.8
1967	286	290.8
1968	295	290.8
1969	304	290.8
1970	311	309.3
1971	307	309.3
1972	312	309.3
1973	315	309.3
1974	310	309.3
1975	297	309.3
1976	304	309.3
1977	319	309.3
1978	306	309.3
1979	312	309.3
1980	311	311

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

First to last qualifying date each year at Alindao
Year	First date	Last date
1958	1958-01-01	1958-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-02	1965-11-30
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31

Every Fixed Threshold

Fixed thresholds at Alindao
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	21	319	1977	311
35 C (95 F): Days	21	93	1971	76
40 C (104 F): Days	2	1	1971	1
90 F (32.2 C): Days	21	220	1980	220
100 F (37.8 C): Days	20	15	1971	11
20 C (68 F): Tropical nights (min	21	245	1958	235
25 C (77 F): Days with min	1	1	1978	1
10 mm (0.39 in): Days with 10 mm or more rain	21	69	1962	61
25 mm (0.98 in): Days with 25 mm or more rain	21	23	1962	19
50 mm (1.97 in): Days with 50 mm or more rain	19	8	1980	8
100 mm (3.94 in): Days with 100 mm or more rain	5	2	1968	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

Data for Alindao 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).

Alindao Threshold Days by Year (CT000004662)

Key Facts for Alindao Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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