Hermitage Threshold Days by Year

13 fixed thresholds counted per year at Hermitage (ASN00041044): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hermitage Thresholds

Hermitage: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1924 with 34.
Hermitage: days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1975 with 15.
Hermitage: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1965 with 5.
Hermitage: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1980 with 86.
13 fixed thresholds have at least one qualifying day at Hermitage.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Hermitage with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 1980.

Days at or above 30 C (86 F) per year at Hermitage
Year	Days	Decade average
1965	74	64.3
1966	62	64.3
1967	63	64.3
1969	58	64.3
1970	41	42.4
1971	28	42.4
1972	36	42.4
1973	53	42.4
1974	34	42.4
1975	31	42.4
1976	34	42.4
1977	61	42.4
1978	41	42.4
1979	65	42.4
1980	86	55.1
1981	46	55.1
1982	60	55.1
1983	52	55.1
1984	38	55.1
1985	59	55.1
1986	62	55.1
1987	53	55.1
1988	56	55.1
1989	39	55.1
1990	71	63.2
1991	77	63.2
1992	49	63.2
1993	78	63.2
1994	63	63.2
1995	46	63.2
1996	46	63.2
1997	60	63.2
1998	79	63.2

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

First to last qualifying date each year at Hermitage
Year	First date	Last date
1965	1965-01-02	1965-12-31
1966	1966-01-04	1966-12-31
1967	1967-01-03	1967-12-31
1969	1969-01-04	1969-12-31
1970	1970-01-01	1970-12-15
1971	1971-01-02	1971-12-31
1972	1972-01-23	1972-12-31
1973	1973-01-03	1973-12-29
1974	1974-01-11	1974-12-31
1975	1975-01-01	1975-12-18
1976	1976-01-08	1976-12-31
1977	1977-01-01	1977-12-27
1978	1978-01-01	1978-12-20
1979	1979-01-02	1979-12-31
1980	1980-01-01	1980-12-26
1981	1981-01-11	1981-12-30
1982	1982-01-01	1982-12-29
1983	1983-01-05	1983-12-26
1984	1984-01-04	1984-12-26
1985	1985-01-01	1985-12-30
1986	1986-01-01	1986-12-28
1987	1987-01-03	1987-12-28
1988	1988-01-02	1988-12-28
1989	1989-01-04	1989-12-27
1990	1990-01-01	1990-12-31
1991	1991-01-02	1991-12-29
1992	1992-01-02	1992-12-30
1993	1993-01-03	1993-12-31
1994	1994-01-01	1994-12-30
1995	1995-01-01	1995-12-30
1996	1996-01-16	1996-12-30
1997	1997-01-07	1997-12-27
1998	1998-01-03	1998-12-30

Every Fixed Threshold

Fixed thresholds at Hermitage
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	86	1980	79
35 C (95 F): Days	30	16	1994	11
40 C (104 F): Days	4	2	1994	2
90 F (32.2 C): Days	33	43	1965	41
100 F (37.8 C): Days	15	7	1994	1
0 C (32 F): Frost days (min	33	76	1966	5
-10 C (14 F): Days with min	1	1	1965	1
20 C (68 F): Tropical nights (min	33	17	1981	15
25 C (77 F): Days with min	3	1	1969	1
10 mm (0.39 in): Days with 10 mm or more rain	88	34	1924	13
25 mm (0.98 in): Days with 25 mm or more rain	88	15	1975	2
50 mm (1.97 in): Days with 50 mm or more rain	63	5	1965	3
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1942	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

Data for Hermitage 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Hermitage Threshold Days by Year

Key Facts for Hermitage Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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