Stratton Threshold Days by Year (USC00058008)

19 fixed thresholds counted per year at Stratton (USC00058008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stratton Thresholds

Stratton: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1942 with 24.
Stratton: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1942 with 8.
Stratton: days with a maximum temperature at or above 30 C (86 F) in 56 years, most in 1954 with 110.
Stratton: days with a maximum temperature at or above 35 C (95 F) in 56 years, most in 1954 with 58.
19 fixed thresholds have at least one qualifying day at Stratton.

Days at or above 30 C (86 F)

56 years with a qualifying day

Days per year at Stratton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 1954.

Days at or above 30 C (86 F) per year at Stratton
Year	Days	Decade average
1935	75	79.8
1936	86	79.8
1937	80	79.8
1938	73	79.8
1939	85	79.8
1940	70	72.1
1941	69	72.1
1942	56	72.1
1943	79	72.1
1944	67	72.1
1945	59	72.1
1946	76	72.1
1947	79	72.1
1948	96	72.1
1949	70	72.1
1950	66	83.5
1951	60	83.5
1952	95	83.5
1953	93	83.5
1954	110	83.5
1955	90	83.5
1956	108	83.5
1957	68	83.5
1958	61	83.5
1959	84	83.5
1960	76	71.7
1961	64	71.7
1962	82	71.7
1963	90	71.7
1964	82	71.7
1965	54	71.7
1966	74	71.7
1967	57	71.7
1968	68	71.7
1969	70	71.7
1970	87	77.1
1971	77	77.1
1972	69	77.1
1973	66	77.1
1974	72	77.1
1975	76	77.1
1976	83	77.1
1977	87	77.1
1986	77	80
1987	83	80
1991	49	69.2
1992	39	69.2
1993	42	69.2
1994	90	69.2
1995	71	69.2
1996	96	69.2
1997	81	69.2
1998	82	69.2
1999	73	69.2
2001	80	70
2008	60	70

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

First to last qualifying date each year at Stratton
Year	First date	Last date
1935	1935-06-08	1935-09-23
1936	1936-05-04	1936-09-25
1937	1937-05-14	1937-09-29
1938	1938-05-28	1938-10-15
1939	1939-05-19	1939-09-22
1940	1940-05-12	1940-09-08
1941	1941-05-13	1941-09-20
1942	1942-05-25	1942-10-07
1943	1943-04-24	1943-09-18
1944	1944-05-14	1944-09-22
1945	1945-05-19	1945-10-27
1946	1946-04-02	1946-10-02
1947	1947-05-05	1947-10-21
1948	1948-04-17	1948-10-04
1949	1949-04-24	1949-09-25
1950	1950-04-22	1950-10-31
1951	1951-05-28	1951-10-10
1952	1952-05-04	1952-10-24
1953	1953-04-22	1953-10-10
1954	1954-04-18	1954-10-08
1955	1955-05-13	1955-10-19
1956	1956-05-08	1956-10-12
1957	1957-06-05	1957-10-02
1958	1958-05-21	1958-10-19
1959	1959-05-01	1959-09-19
1960	1960-05-13	1960-09-28
1961	1961-05-11	1961-10-06
1962	1962-04-20	1962-10-14
1963	1963-04-15	1963-10-09
1964	1964-05-14	1964-10-01
1965	1965-04-22	1965-09-02
1966	1966-05-05	1966-09-24
1967	1967-05-09	1967-10-19
1968	1968-05-29	1968-10-14
1969	1969-05-13	1969-10-03
1970	1970-05-16	1970-09-21
1971	1971-06-10	1971-09-27
1972	1972-05-16	1972-09-19
1973	1973-06-07	1973-09-23
1974	1974-05-10	1974-10-03
1975	1975-06-03	1975-10-12
1976	1976-05-18	1976-10-01
1977	1977-04-10	1977-10-26
1986	1986-04-23	1986-09-21
1987	1987-04-18	1987-10-04
1991	1991-05-15	1991-10-17
1992	1992-05-01	1992-10-04
1993	1993-05-27	1993-10-07
1994	1994-04-18	1994-09-30
1995	1995-05-16	1995-10-13
1996	1996-04-11	1996-10-14
1997	1997-05-07	1997-10-06
1998	1998-04-25	1998-09-29
1999	1999-05-20	1999-10-15
2001	2001-05-10	2001-10-03
2008	2008-04-16	2008-09-29

Every Fixed Threshold

Fixed thresholds at Stratton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	56	110	1954	60
35 C (95 F): Days	56	58	1954	20
40 C (104 F): Days	14	6	1954	1
90 F (32.2 C): Days	56	87	1954	36
100 F (37.8 C): Days	48	14	1954	4
0 C (32 F): Ice days (max	56	47	1993	26
0 C (32 F): Frost days (min	54	184	1959	150
-10 C (14 F): Days with min	54	67	1960	34
-20 C (-4 F): Days with min	43	15	1963	2
-30 C (-22 F): Days with min	2	1	1936	1
20 C (68 F): Tropical nights (min	32	44	1996	4
25 C (77 F): Days with min	2	2	1973	2
10 mm (0.39 in): Days with 10 mm or more rain	62	24	1942	21
25 mm (0.98 in): Days with 25 mm or more rain	59	8	1942	5
50 mm (1.97 in): Days with 50 mm or more rain	18	3	1944	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1941	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1969	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	9	1973	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	2	1991	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

Data for Stratton 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).

Stratton Threshold Days by Year (USC00058008)

Key Facts for Stratton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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