Tajima Threshold Days by Year (JA000047747)

14 fixed thresholds counted per year at Tajima (JA000047747): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tajima Thresholds

Tajima: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1953 with 83.
Tajima: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1965 with 31.
Tajima: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1965 with 9.
Tajima: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2025 with 91.
14 fixed thresholds have at least one qualifying day at Tajima.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at Tajima with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 2025.

Days at or above 30 C (86 F) per year at Tajima
Year	Days	Decade average
1963	53	56.7
1964	65	56.7
1965	45	56.7
1966	66	56.7
1967	68	56.7
1968	37	56.7
1969	63	56.7
1970	59	57
1971	53	57
1972	55	57
1973	66	57
1974	50	57
1975	65	57
1976	40	57
1977	50	57
1978	79	57
1979	53	57
1980	25	48.3
1981	53	48.3
1982	43	48.3
1983	51	48.3
1984	62	48.3
1985	66	48.3
1986	43	48.3
1987	57	48.3
1988	35	48.3
1989	48	48.3
2025	91	77
2026	63	77

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

First to last qualifying date each year at Tajima
Year	First date	Last date
1963	1963-05-30	1963-09-15
1964	1964-05-08	1964-09-18
1965	1965-05-23	1965-08-31
1966	1966-05-10	1966-09-21
1967	1967-05-22	1967-09-11
1968	1968-06-14	1968-09-19
1969	1969-04-24	1969-09-21
1970	1970-05-26	1970-09-21
1971	1971-06-10	1971-09-25
1972	1972-04-19	1972-09-23
1973	1973-06-25	1973-09-10
1974	1974-05-18	1974-09-13
1975	1975-06-17	1975-10-04
1976	1976-06-08	1976-09-08
1977	1977-06-05	1977-09-14
1978	1978-04-15	1978-09-19
1979	1979-05-29	1979-09-22
1980	1980-05-14	1980-09-11
1981	1981-05-11	1981-09-03
1982	1982-05-11	1982-08-31
1983	1983-04-27	1983-09-21
1984	1984-06-05	1984-09-03
1985	1985-06-21	1985-09-18
1986	1986-05-08	1986-09-21
1987	1987-05-21	1987-09-21
1988	1988-05-01	1988-09-19
1989	1989-06-01	1989-09-17
2025	2025-05-17	2025-10-11
2026	2026-05-18	2026-09-13

Every Fixed Threshold

Fixed thresholds at Tajima
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	91	2025	63
35 C (95 F): Days	26	29	2025	23
90 F (32.2 C): Days	29	69	2025	49
100 F (37.8 C): Days	4	3	2025	1
0 C (32 F): Ice days (max	9	3	1976	2
0 C (32 F): Frost days (min	29	87	1984	30
-10 C (14 F): Days with min	3	4	1963	1
20 C (68 F): Tropical nights (min	29	108	2025	89
25 C (77 F): Days with min	24	35	2025	31
10 mm (0.39 in): Days with 10 mm or more rain	40	83	1953	24
25 mm (0.98 in): Days with 25 mm or more rain	40	31	1965	17
50 mm (1.97 in): Days with 50 mm or more rain	39	9	1965	13
100 mm (3.94 in): Days with 100 mm or more rain	18	3	1971	6
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Tajima 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).

Tajima Threshold Days by Year (JA000047747)

Key Facts for Tajima Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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