Ruff 3 SW Threshold Days by Year (USC00457223)

15 fixed thresholds counted per year at Ruff 3 SW (USC00457223): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ruff 3 SW Thresholds

Ruff 3 SW: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1938 with 86.
Ruff 3 SW: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 1938 with 40.
Ruff 3 SW: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 1938 with 72.
Ruff 3 SW: days with a maximum temperature at or below 0 C (32 F) in 25 years, most in 1955 with 55.
15 fixed thresholds have at least one qualifying day at Ruff 3 SW.

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Ruff 3 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 1938.

Days at or above 30 C (86 F) per year at Ruff 3 SW
Year	Days	Decade average
1925	79	69.6
1926	72	69.6
1927	57	69.6
1928	71	69.6
1929	69	69.6
1930	46	61.4
1931	61	61.4
1932	51	61.4
1933	45	61.4
1934	67	61.4
1935	51	61.4
1936	84	61.4
1938	86	61.4
1940	82	65.6
1941	55	65.6
1942	61	65.6
1943	67	65.6
1949	63	65.6
1950	66	55.4
1951	65	55.4
1952	52	55.4
1953	53	55.4
1954	39	55.4
1955	54	55.4
1956	59	55.4

For each year, a bar from the first to the last day at Ruff 3 SW meeting 30 C (86 F).

First to last qualifying date each year at Ruff 3 SW
Year	First date	Last date
1925	1925-04-09	1925-09-24
1926	1926-04-14	1926-09-05
1927	1927-05-14	1927-08-24
1928	1928-05-19	1928-09-24
1929	1929-05-19	1929-09-17
1930	1930-06-06	1930-09-17
1931	1931-05-11	1931-09-05
1932	1932-06-11	1932-10-02
1933	1933-06-03	1933-08-27
1934	1934-04-20	1934-10-10
1935	1935-06-04	1935-10-02
1936	1936-04-16	1936-09-22
1938	1938-05-22	1938-09-24
1940	1940-05-09	1940-09-26
1941	1941-05-11	1941-08-22
1942	1942-06-29	1942-09-27
1943	1943-06-07	1943-10-08
1949	1949-04-14	1949-09-27
1950	1950-05-12	1950-09-23
1951	1951-05-10	1951-09-13
1952	1952-05-27	1952-09-26
1953	1953-05-05	1953-09-15
1954	1954-05-18	1954-09-26
1955	1955-06-06	1955-09-11
1956	1956-05-16	1956-09-24

Every Fixed Threshold

Fixed thresholds at Ruff 3 SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	86	1938	59
35 C (95 F): Days	25	40	1938	20
40 C (104 F): Days	19	8	1926	2
90 F (32.2 C): Days	25	72	1938	37
100 F (37.8 C): Days	24	19	1942	5
110 F (43.3 C): Days	4	3	1928	1
0 C (32 F): Ice days (max	25	55	1955	41
0 C (32 F): Frost days (min	25	171	1935	142
-10 C (14 F): Days with min	24	44	1949	24
-20 C (-4 F): Days with min	17	18	1950	5
-30 C (-22 F): Days with min	2	6	1950	6
20 C (68 F): Tropical nights (min	15	5	1930	3
10 mm (0.39 in): Days with 10 mm or more rain	20	7	1933	6
25 mm (0.98 in): Days with 25 mm or more rain	2	1	1925	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

Data for Ruff 3 SW 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).

Ruff 3 SW Threshold Days by Year (USC00457223)

Key Facts for Ruff 3 SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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