Echo Threshold Days by Year (USC00352564)

19 fixed thresholds counted per year at Echo (USC00352564): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Echo Thresholds

Echo: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1923 with 10.
Echo: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 1924 with 104.
Echo: days with a maximum temperature at or above 35 C (95 F) in 59 years, most in 1925 with 53.
Echo: days with a maximum temperature at or above 90 F (32.2 C) in 59 years, most in 1922 with 83.
19 fixed thresholds have at least one qualifying day at Echo.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at Echo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1924.

Days at or above 30 C (86 F) per year at Echo
Year	Days	Decade average
1906	78	71.7
1908	69	71.7
1909	68	71.7
1910	62	72.6
1911	68	72.6
1912	57	72.6
1913	62	72.6
1914	81	72.6
1915	69	72.6
1917	80	72.6
1918	91	72.6
1919	83	72.6
1920	78	88.2
1921	80	88.2
1922	102	88.2
1923	82	88.2
1924	104	88.2
1925	93	88.2
1926	91	88.2
1927	72	88.2
1928	90	88.2
1929	90	88.2
1930	76	79.7
1931	87	79.7
1933	64	79.7
1934	93	79.7
1935	71	79.7
1936	90	79.7
1937	75	79.7
1938	80	79.7
1939	81	79.7
1940	89	68.7
1941	63	68.7
1942	77	68.7
1943	69	68.7
1944	68	68.7
1945	72	68.7
1947	64	68.7
1948	56	68.7
1949	60	68.7
1950	72	64
1952	68	64
1954	43	64
1955	64	64
1956	71	64
1957	65	64
1958	82	64
1959	47	64
1960	62	66
1961	73	66
1962	47	66
1963	64	66
1964	44	66
1965	58	66
1966	76	66
1967	96	66
1968	64	66
1969	76	66
1970	73	73

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

First to last qualifying date each year at Echo
Year	First date	Last date
1906	1906-04-30	1906-10-09
1908	1908-05-06	1908-09-30
1909	1909-05-03	1909-09-16
1910	1910-04-18	1910-08-21
1911	1911-05-30	1911-10-08
1912	1912-05-08	1912-09-20
1913	1913-04-11	1913-09-17
1914	1914-05-13	1914-09-24
1915	1915-04-19	1915-09-19
1917	1917-06-08	1917-10-05
1918	1918-05-03	1918-09-29
1919	1919-05-18	1919-09-26
1920	1920-05-07	1920-09-30
1921	1921-05-20	1921-08-31
1922	1922-05-14	1922-09-25
1923	1923-04-16	1923-10-02
1924	1924-05-08	1924-09-17
1925	1925-04-08	1925-09-25
1926	1926-04-14	1926-09-14
1927	1927-04-24	1927-10-20
1928	1928-05-05	1928-10-08
1929	1929-05-11	1929-09-17
1930	1930-04-05	1930-09-20
1931	1931-04-28	1931-09-30
1933	1933-05-29	1933-09-04
1934	1934-04-19	1934-10-11
1935	1935-05-04	1935-10-01
1936	1936-04-12	1936-10-08
1937	1937-05-02	1937-09-18
1938	1938-05-21	1938-09-23
1939	1939-04-18	1939-09-23
1940	1940-05-09	1940-10-18
1941	1941-05-10	1941-09-25
1942	1942-04-20	1942-09-27
1943	1943-04-13	1943-10-04
1944	1944-05-04	1944-09-26
1945	1945-05-03	1945-10-08
1947	1947-04-14	1947-09-24
1948	1948-05-26	1948-09-14
1949	1949-05-08	1949-09-09
1950	1950-05-12	1950-09-23
1952	1952-05-18	1952-09-29
1954	1954-05-16	1954-09-10
1955	1955-05-19	1955-09-11
1956	1956-04-21	1956-09-25
1957	1957-04-29	1957-09-24
1958	1958-05-16	1958-10-03
1959	1959-05-13	1959-09-13
1960	1960-05-10	1960-09-18
1961	1961-05-25	1961-09-04
1962	1962-06-08	1962-09-26
1963	1963-05-20	1963-10-14
1964	1964-05-31	1964-09-24
1965	1965-05-26	1965-09-25
1966	1966-05-03	1966-09-23
1967	1967-05-16	1967-09-28
1968	1968-04-28	1968-09-30
1969	1969-05-09	1969-09-14
1970	1970-05-15	1970-09-01

Every Fixed Threshold

Fixed thresholds at Echo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	104	1924	73
35 C (95 F): Days	59	53	1925	32
40 C (104 F): Days	44	16	1925	5
45 C (113 F): Days	3	3	1928	3
90 F (32.2 C): Days	59	83	1922	46
100 F (37.8 C): Days	57	28	1920	12
110 F (43.3 C): Days	16	4	1928	1
0 C (32 F): Ice days (max	56	35	1922	12
0 C (32 F): Frost days (min	59	135	1955	114
-10 C (14 F): Days with min	56	29	1937	4
-20 C (-4 F): Days with min	26	11	1950	3
-30 C (-22 F): Days with min	3	4	1950	4
20 C (68 F): Tropical nights (min	55	13	1906	2
25 C (77 F): Days with min	6	4	1931	1
10 mm (0.39 in): Days with 10 mm or more rain	60	10	1923	2
25 mm (0.98 in): Days with 25 mm or more rain	11	2	1947	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1921	1
10 cm (3.9 in): Days with 10 cm or more snowfall	14	3	1922	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

Data for Echo 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).

Echo Threshold Days by Year (USC00352564)

Key Facts for Echo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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