El Dorado 1 SSW Threshold Days by Year (USC00472507)

17 fixed thresholds counted per year at El Dorado 1 SSW (USC00472507): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Dorado 1 SSW Thresholds

El Dorado 1 SSW: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1955 with 46.
El Dorado 1 SSW: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1955 with 26.
El Dorado 1 SSW: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1978 with 91.
El Dorado 1 SSW: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1945 with 33.
17 fixed thresholds have at least one qualifying day at El Dorado 1 SSW.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at El Dorado 1 SSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1955.

Days at or above 30 C (86 F) per year at El Dorado 1 SSW
Year	Days	Decade average
1940	23	31.7
1941	36	31.7
1942	16	31.7
1943	36	31.7
1944	35	31.7
1945	24	31.7
1946	24	31.7
1947	39	31.7
1948	43	31.7
1949	41	31.7
1950	20	26.6
1951	11	26.6
1952	38	26.6
1953	29	26.6
1954	24	26.6
1955	46	26.6
1956	14	26.6
1957	28	26.6
1958	22	26.6
1959	34	26.6
1960	18	27.8
1961	34	27.8
1962	21	27.8
1963	41	27.8
1964	34	27.8
1965	20	27.8
1966	39	27.8
1967	13	27.8
1968	29	27.8
1969	29	27.8
1970	45	23.7
1971	24	23.7
1972	23	23.7
1973	29	23.7
1974	14	23.7
1976	29	23.7
1977	24	23.7
1978	19	23.7
1979	6	23.7

For each year, a bar from the first to the last day at El Dorado 1 SSW meeting 30 C (86 F).

First to last qualifying date each year at El Dorado 1 SSW
Year	First date	Last date
1940	1940-06-06	1940-09-20
1941	1941-06-20	1941-09-21
1942	1942-06-28	1942-09-01
1943	1943-06-14	1943-08-31
1944	1944-05-30	1944-09-02
1945	1945-06-23	1945-09-07
1946	1946-04-01	1946-08-17
1947	1947-06-27	1947-10-15
1948	1948-06-01	1948-09-18
1949	1949-05-03	1949-08-30
1950	1950-05-24	1950-08-16
1951	1951-06-18	1951-09-12
1952	1952-04-30	1952-09-28
1953	1953-05-30	1953-09-29
1954	1954-06-09	1954-09-06
1955	1955-06-20	1955-09-18
1956	1956-05-22	1956-08-05
1957	1957-06-16	1957-09-01
1958	1958-06-29	1958-09-03
1959	1959-05-02	1959-09-09
1960	1960-07-08	1960-09-08
1961	1961-06-05	1961-09-11
1962	1962-05-16	1962-08-29
1963	1963-05-08	1963-10-06
1964	1964-05-22	1964-09-07
1965	1965-05-25	1965-08-17
1966	1966-06-21	1966-09-01
1967	1967-05-26	1967-08-16
1968	1968-06-05	1968-09-03
1969	1969-05-28	1969-09-06
1970	1970-04-29	1970-09-07
1971	1971-06-04	1971-10-01
1972	1972-05-20	1972-08-30
1973	1973-06-08	1973-09-03
1974	1974-07-01	1974-08-26
1976	1976-06-07	1976-09-08
1977	1977-05-13	1977-08-27
1978	1978-05-26	1978-09-11
1979	1979-06-15	1979-08-07

Every Fixed Threshold

Fixed thresholds at El Dorado 1 SSW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	46	1955	6
35 C (95 F): Days	19	9	1947	1
90 F (32.2 C): Days	39	26	1955	1
100 F (37.8 C): Days	3	2	1955	2
0 C (32 F): Ice days (max	39	91	1978	73
0 C (32 F): Frost days (min	38	174	1952	156
-10 C (14 F): Days with min	38	84	1978	84
-20 C (-4 F): Days with min	38	36	1977	25
-30 C (-22 F): Days with min	13	5	1951	2
20 C (68 F): Tropical nights (min	37	15	1947	5
25 C (77 F): Days with min	2	1	1950	1
10 mm (0.39 in): Days with 10 mm or more rain	39	33	1945	24
25 mm (0.98 in): Days with 25 mm or more rain	39	12	1960	4
50 mm (1.97 in): Days with 50 mm or more rain	21	3	1960	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1942	1
10 cm (3.9 in): Days with 10 cm or more snowfall	27	7	1977	1
25 cm (9.8 in): Days with 25 cm or more snowfall	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 1940.

Download the Data

Data for El Dorado 1 SSW 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).

El Dorado 1 SSW Threshold Days by Year (USC00472507)

Key Facts for El Dorado 1 SSW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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