Boromo Threshold Days by Year (UV000005516)

12 fixed thresholds counted per year at Boromo (UV000005516): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boromo Thresholds

Boromo: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1948 with 354.
Boromo: days with a maximum temperature at or above 35 C (95 F) in 35 years, most in 1947 with 225.
Boromo: days with a maximum temperature at or above 40 C (104 F) in 35 years, most in 1947 with 70.
Boromo: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1947 with 312.
12 fixed thresholds have at least one qualifying day at Boromo.

Days at or above 30 C (86 F)

35 years with a qualifying day

Days per year at Boromo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 354 in 1948.

Days at or above 30 C (86 F) per year at Boromo
Year	Days	Decade average
1945	336	340
1946	319	340
1947	347	340
1948	354	340
1949	344	340
1950	323	332.8
1951	342	332.8
1952	330	332.8
1953	325	332.8
1954	334	332.8
1955	333	332.8
1956	331	332.8
1957	339	332.8
1958	339	332.8
1959	332	332.8
1960	333	331.6
1961	331	331.6
1962	327	331.6
1963	335	331.6
1964	329	331.6
1965	326	331.6
1967	328	331.6
1968	338	331.6
1969	337	331.6
1970	336	332
1971	326	332
1972	341	332
1973	335	332
1974	327	332
1975	334	332
1976	332	332
1977	329	332
1978	338	332
1979	322	332
1980	319	319

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

First to last qualifying date each year at Boromo
Year	First date	Last date
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-02	1947-12-31
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
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	1965-01-01	1965-12-30
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 Boromo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	35	354	1948	319
35 C (95 F): Days	35	225	1947	180
40 C (104 F): Days	35	70	1947	31
90 F (32.2 C): Days	35	312	1947	281
100 F (37.8 C): Days	35	137	1947	77
110 F (43.3 C): Days	1	1	1980	1
20 C (68 F): Tropical nights (min	35	269	1958	262
25 C (77 F): Days with min	35	66	1974	54
10 mm (0.39 in): Days with 10 mm or more rain	35	43	1951	26
25 mm (0.98 in): Days with 25 mm or more rain	35	17	1946	10
50 mm (1.97 in): Days with 50 mm or more rain	30	6	1953	3
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1946	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Boromo 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).

Boromo Threshold Days by Year (UV000005516)

Key Facts for Boromo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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